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Search for "photocatalysts" in Full Text gives 113 result(s) in Beilstein Journal of Nanotechnology.

Emerging strategies in the sustainable removal of antibiotics using semiconductor-based photocatalysts

  • Yunus Ahmed,
  • Keya Rani Dutta,
  • Parul Akhtar,
  • Md. Arif Hossen,
  • Md. Jahangir Alam,
  • Obaid A. Alharbi,
  • Hamad AlMohamadi and
  • Abdul Wahab Mohammad

Beilstein J. Nanotechnol. 2025, 16, 264–285, doi:10.3762/bjnano.16.21

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  • to human health and ecological balance, requiring immediate and novel intervention techniques. Regarding this, semiconductor-based photocatalysts have appeared as promising candidates, providing a sustainable and efficient way to remove antibiotics from aquatic ecosystems. Nanomaterials can
  • effectively and precisely break down and neutralize antibiotic compounds with high efficiency and selectivity by utilizing a complex interaction between radical reactive oxygen species and non-radical equivalents under light irradiation. Although photocatalysts have certain drawbacks, such as a limited
  • capacity to absorb light and concerns about catalytic stability, photocatalysis outperforms other advanced oxidation processes in multiple aspects. This study focuses on summarizing recent advances in the sustainable removal of antibiotics using semiconductor-based photocatalysts. By reviewing the latest
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Published 25 Feb 2025

Clays enhanced with niobium: potential in wastewater treatment and reuse as pigment with antibacterial activity

  • Silvia Jaerger,
  • Patricia Appelt,
  • Mario Antônio Alves da Cunha,
  • Fabián Ccahuana Ayma,
  • Ricardo Schneider,
  • Carla Bittencourt and
  • Fauze Jacó Anaissi

Beilstein J. Nanotechnol. 2025, 16, 141–154, doi:10.3762/bjnano.16.13

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  • photocatalysts for treating solutions containing the MB dye (400 mg·L−1) at 25 °C. The results showed adsorption and photocatalysis efficiency above 94% for both samples. The blue-colored BEOx and BEPh samples were then applied as a hybrid pigment. The power pigment and its dispersion in colorless paint were
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Published 10 Feb 2025

Various CVD-grown ZnO nanostructures for nanodevices and interdisciplinary applications

  • The-Long Phan,
  • Le Viet Cuong,
  • Vu Dinh Lam and
  • Ngoc Toan Dang

Beilstein J. Nanotechnol. 2024, 15, 1390–1399, doi:10.3762/bjnano.15.112

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  • ], radio-frequency magnetron sputtering [47], pulsed laser ablation [48], and electrodeposition methods [49]. They have many application potentials in dye-sensitized solar cells [46], self-powered energy-harvesting devices [47], photocatalysts [48], and turbid lenses [50]. It has been suggested that the
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Published 11 Nov 2024

Green synthesis of carbon dot structures from Rheum Ribes and Schottky diode fabrication

  • Muhammed Taha Durmus and
  • Ebru Bozkurt

Beilstein J. Nanotechnol. 2024, 15, 1369–1375, doi:10.3762/bjnano.15.110

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  • range of uses in the fields of electrocatalysis, bioimaging, chemical sensors, biosensors, nanomedicine, biomolecule/drug release, light-emitting diodes, and photocatalysts. They also have promising applications in areas such as lasers and optoelectronic device applications [2][3][4][5]. CDs can be
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Published 07 Nov 2024

Mn-doped ZnO nanopowders prepared by sol–gel and microwave-assisted sol–gel methods and their photocatalytic properties

  • Cristina Maria Vlăduț,
  • Crina Anastasescu,
  • Silviu Preda,
  • Oana Catalina Mocioiu,
  • Simona Petrescu,
  • Jeanina Pandele-Cusu,
  • Dana Culita,
  • Veronica Bratan,
  • Ioan Balint and
  • Maria Zaharescu

Beilstein J. Nanotechnol. 2024, 15, 1283–1296, doi:10.3762/bjnano.15.104

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  • photocatalysts; water depollution; Introduction Over the past decades, significant research has been focused on designing and preparing nanostructures of various shapes and sizes, which exhibit unique properties and potential applications [1]. Considerable advancements have been made in synthesizing
  • FTIR post-reaction spectra (Supporting Information File 1, Figure S1). Zeta potential measurements revealed values of +17.48 mV and +11.09 mV for SG and MW samples, respectively, suggesting a better adsorption of oxalate ions on the SG sample than on the MW sample. The ability of the photocatalysts to
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Published 28 Oct 2024

Photocatalytic methane oxidation over a TiO2/SiNWs p–n junction catalyst at room temperature

  • Qui Thanh Hoai Ta,
  • Luan Minh Nguyen,
  • Ngoc Hoi Nguyen,
  • Phan Khanh Thinh Nguyen and
  • Dai Hai Nguyen

Beilstein J. Nanotechnol. 2024, 15, 1132–1141, doi:10.3762/bjnano.15.92

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  • carriers prior to their participation in reactions significantly reduces the efficiency of methane oxidation reactions [23][24]. To address these issues of TiO2 nanomaterials, many scientists have developed TiO2-based nanostructure composites as advanced photocatalysts [25][26][27][28][29][30]. The
  • electrons for reactions [25][26][27]. However, the generated electron affinity of metal NPs is sometimes insufficient and cannot prevent recombination or maintain electrons for further reactions. As an advanced solution for catalysis modification, p–n junction photocatalysts with an intrinsic electric field
  • photocatalysts. As depicted in Figure 4a, the Raman spectrum of Si exhibits a single peak located at 519 cm−1, corresponding to the first-order transverse optical (TO) mode of Si [46]. For the TiO2/Si photocatalyst, two distinct peaks were observed, namely, (i) the characteristic Eg vibration of TiO2, located at
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Published 02 Sep 2024

Intermixing of MoS2 and WS2 photocatalysts toward methylene blue photodegradation

  • Maryam Al Qaydi,
  • Nitul S. Rajput,
  • Michael Lejeune,
  • Abdellatif Bouchalkha,
  • Mimoun El Marssi,
  • Steevy Cordette,
  • Chaouki Kasmi and
  • Mustapha Jouiad

Beilstein J. Nanotechnol. 2024, 15, 817–829, doi:10.3762/bjnano.15.68

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  • ]. Typically, semiconductor-based photocatalysts, such as TiO2, ZnO2, and some other high-bandgap transition-metal dichalcogenides (TMD) have shown their ability to efficiently degrade the activated MB by irradiation [10][11]. Recently, TMD such as MoS2 and WS2, have displayed remarkable potential as
  • evaluated the PD of the MB dye solution under light excitation without any photocatalysts (MB photolysis) as well as its PD in the dark in the presence of a photocatalyst. The optical absorbance spectra of the MB solution in the presence of MoS2 and WS2 were recorded in the dark and under visible light
  • model [38]. Our results show a PD rate constant of 6.1 × 10−3 min−1 and 3.3 × 10−3 min−1 achieved by WS2 and MoS2, respectively. To evaluate the cyclability of our photocatalysts, we have conducted four consecutive PD runs. After each cycle (3 h), the MB dye solution was replaced with a fresh one to
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Published 05 Jul 2024

Photocatalytic degradation of methylene blue under visible light by cobalt ferrite nanoparticles/graphene quantum dots

  • Vo Chau Ngoc Anh,
  • Le Thi Thanh Nhi,
  • Le Thi Kim Dung,
  • Dang Thi Ngoc Hoa,
  • Nguyen Truong Son,
  • Nguyen Thi Thao Uyen,
  • Nguyen Ngoc Uyen Thu,
  • Le Van Thanh Son,
  • Le Trung Hieu,
  • Tran Ngoc Tuyen and
  • Dinh Quang Khieu

Beilstein J. Nanotechnol. 2024, 15, 475–489, doi:10.3762/bjnano.15.43

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  • multiple-component photocatalysts is a common way to overcome the issues of single-phase photocatalysts [9]. Stacking GQDs sheets onto CF nanoparticles not only prevents CF from agglomeration but also forms heterojunction contacts, which possibly reduce the recombination of the photo-induced electron–hole
  • excellent heterojunctions between CoFe2O4 and GQDs. The former is favourable for more MB molecules to adsorb on the active sites of the photocatalysts, and the latter can facilitate the GQDs layers acting as electron acceptors, which are beneficial for suppressing the recombination of photogenerated
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Published 29 Apr 2024

Nanomaterials for photocatalysis and applications in environmental remediation and renewable energy

  • Viet Van Pham and
  • Wee-Jun Ong

Beilstein J. Nanotechnol. 2023, 14, 722–724, doi:10.3762/bjnano.14.58

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  • appropriate for treating pollutants, even in atmospheric conditions [9][10][11]. Moreover, the photocatalysis method is also a potential solution for environmental remediation, carbon emission reduction, and renewable energy production [12][13][14]. Combining photocatalysts and sunlight irradiation is a
  • potential strategy for water treatment via the effectively infinite energy from the sun and the photocatalysts. Photocatalysis based on nanostructured semiconductors can significantly contribute to tackling several environmental pollution problems, sustainable synthesis, and energy production [2][15][16
  • was used whereas for water splitting natural sunlight was used [24][25][26]. These results are mentioned as scaling up photocatalytic systems to reach net zero emission goals and the next technology to produce green hydrogen energy [14]. Up-to-date trending topics on photocatalysts based on
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Published 13 Jun 2023

Bismuth-based nanostructured photocatalysts for the remediation of antibiotics and organic dyes

  • Akeem Adeyemi Oladipo and
  • Faisal Suleiman Mustafa

Beilstein J. Nanotechnol. 2023, 14, 291–321, doi:10.3762/bjnano.14.26

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  • promising green and sustainable wastewater treatment method for a cleaner environment. Due to their narrow bandgaps, distinctive layered structures, plasmonic, piezoelectric and ferroelectric properties, and desirable physicochemical features, bismuth-based nanostructure photocatalysts have emerged as one
  • of the most prominent study topics compared to the commonly used semiconductors (TiO2 and ZnO). In this review, the most recent developments in the use of photocatalysts based on bismuth (e.g., BiFeO3, Bi2MoO6, BiVO4, Bi2WO6, Bi2S3) to remove dyes and antibiotics from wastewater are thoroughly
  • covered. The creation of Z-schemes, Schottky junctions, and heterojunctions, as well as morphological modifications, doping, and other processes are highlighted regarding the fabrication of bismuth-based photocatalysts with improved photocatalytic capabilities. A discussion of general photocatalytic
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Published 03 Mar 2023

Non-stoichiometric magnetite as catalyst for the photocatalytic degradation of phenol and 2,6-dibromo-4-methylphenol – a new approach in water treatment

  • Joanna Kisała,
  • Anna Tomaszewska and
  • Przemysław Kolek

Beilstein J. Nanotechnol. 2022, 13, 1531–1540, doi:10.3762/bjnano.13.126

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  • solar radiation as an energy source [11]. The photocatalysts are activated by radiation and produce highly reactive photo-induced charge carriers, which can react with the contaminants adsorbed on the surface of the catalyst. Understanding the properties of the photocatalyst material is critical to
  • catalysts has been investigated by us in our previous article [17] as photocatalysts for the degradation of 4,4′-isopropylidenebis(2,6-dibromophenol) in comparison with ozonolysis. Magnetite was chosen as a photocatalyst because of its low cost, interesting electron properties, and indisputably low
  • as possible photocatalysts. The morphology, optical properties, and structural properties of the M1 and M2 samples were investigated. The stoichiometry of magnetite noticeably impacted the optical and surface properties. Direct photolysis indicated that the bromine substituent facilitated the
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Published 15 Dec 2022

A TiO2@MWCNTs nanocomposite photoanode for solar-driven water splitting

  • Anh Quynh Huu Le,
  • Ngoc Nhu Thi Nguyen,
  • Hai Duy Tran,
  • Van-Huy Nguyen and
  • Le-Hai Tran

Beilstein J. Nanotechnol. 2022, 13, 1520–1530, doi:10.3762/bjnano.13.125

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  • . This approach improves solar water splitting performance [7][9]. However, an excess amount of CNTs can deteriorate the photoactivity of TiO2 nanoparticles because CNTs block and cover the surface of TiO2 [9]. There are three categories of water splitting techniques applying photocatalysts, namely
  • research focuses on synthesizing and modifying photocatalysts for photoanodes and photocathodes for photoelectrochemical water splitting [11]. Several TiO2-based photocatalysts have been developed and applied in photoelectrochemical water splitting. The results showed that the solar-to-hydrogen (STH
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Published 14 Dec 2022

LED-light-activated photocatalytic performance of metal-free carbon-modified hexagonal boron nitride towards degradation of methylene blue and phenol

  • Nirmalendu S. Mishra and
  • Pichiah Saravanan

Beilstein J. Nanotechnol. 2022, 13, 1380–1392, doi:10.3762/bjnano.13.114

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  • mL of a solution containing 20 ppm of MB and 10 ppm of phenol under continuous stirring. All the batches were subjected to a dark reaction until adsorption–desorption equilibrium was achieved. A control experiment in the absence of photocatalysts was performed to study the removal percentage due to
  • ]. Additionally, the photon harvesting ability of the studied photocatalysts was also evaluated by determining the light harvesting efficiency (LHE). The LHE of the material was determined from the following equation and has been demonstrated in Figure 5g [29]. where T and R denote the transmittance and
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Published 22 Nov 2022

Recent trends in Bi-based nanomaterials: challenges, fabrication, enhancement techniques, and environmental applications

  • Vishal Dutta,
  • Ankush Chauhan,
  • Ritesh Verma,
  • C. Gopalkrishnan and
  • Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 1316–1336, doi:10.3762/bjnano.13.109

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  • environmental restoration and energy conversion is photocatalysis powered by solar light. Traditional photocatalysts have limited practical uses due to inadequate light absorption, charge separation, and unknown reaction mechanisms. Discovering new visible-light photocatalysts and investigating their
  • modification is crucial in photocatalysis. Bi-based photocatalytic nanomaterials have gotten much interest as they exhibit distinctive geometric shapes, flexible electronic structures, and good photocatalytic performance under visible light. They can be employed as stand-alone photocatalysts for pollution
  • photocatalysts, upgrading the photocatalytic ability, and understanding essential reactions of the photocatalytic process. This paper provides insights into the characteristics of Bi-based photocatalysts, making them a promising future nanomaterial for environmental remediation. The current review discusses the
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Published 11 Nov 2022

Rapid fabrication of MgO@g-C3N4 heterojunctions for photocatalytic nitric oxide removal

  • Minh-Thuan Pham,
  • Duyen P. H. Tran,
  • Xuan-Thanh Bui and
  • Sheng-Jie You

Beilstein J. Nanotechnol. 2022, 13, 1141–1154, doi:10.3762/bjnano.13.96

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  • heterojunction photocatalysts were synthesized by one-step pyrolysis of MgO and urea at 550 °C for two hours. The photocatalytic NO removal efficiency of the MgO@g-C3N4 heterojunctions was significantly improved and reached a maximum value of 75.4% under visible light irradiation. Differential reflectance
  • simple way to synthesize photocatalytic heterojunction materials with high reusability and the potential of heterojunction photocatalysts in the field of environmental remediation. Keywords: g-C3N4; MgO; nitric oxide; photocatalyst; visible light; Introduction The rapid development of industrialization
  • redox potential by coupling two or more semiconductors [23][24], such as Bi2MoO6-based [25][26][27][28][29], BiOCl-based [30][31], g-C3N4-based [32][33][34], ZnO-based [35][36][37], TiO2-based [38][39], and MgO-based heterostructured photocatalysts [40]. Among these, the combination of MgO and g-C3N4
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Published 18 Oct 2022

Green synthesis of zinc oxide nanoparticles toward highly efficient photocatalysis and antibacterial application

  • Vo Thi Thu Nhu,
  • Nguyen Duy Dat,
  • Le-Minh Tam and
  • Nguyen Hoang Phuong

Beilstein J. Nanotechnol. 2022, 13, 1108–1119, doi:10.3762/bjnano.13.94

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  • technologies have been proposed to remove organic pollutants from water, including coagulation coupled with sedimentation, biological processes, membrane filtration, adsorption, advanced oxidation, catalysis, and photocatalysis [1][2][3]. Using semiconductors as photocatalysts has been a widely studied
  • photocatalysts. ZnO has a higher quantum efficiency than that of TiO2 since it absorbs more energy in the UV region [4][5][6][7]. Furthermore, ZnO is a low-cost photocatalyst with high photocatalytic activity, nontoxicity, light sensitivity, and stability [8][9][10]. The photodegradation of organic substances by
  • and zinc chloride salt. The antibacterial activity of the synthesized ZnO material against Escherichia coli (E. coli) was studied. In addition, the study also determined the ability of ZnO NPs to act as photocatalysts and to degrade dyes including MB and methyl orange (MO). Experimental Design
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Published 07 Oct 2022

Spindle-like MIL101(Fe) decorated with Bi2O3 nanoparticles for enhanced degradation of chlortetracycline under visible-light irradiation

  • Chen-chen Hao,
  • Fang-yan Chen,
  • Kun Bian,
  • Yu-bin Tang and
  • Wei-long Shi

Beilstein J. Nanotechnol. 2022, 13, 1038–1050, doi:10.3762/bjnano.13.91

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  • . The intermediate products were analyzed by liquid chromatography–mass spectrometry (LC–MS), and a possible photocatalytic degradation path of CTC was proposed. This work provides a new perspective for the preparation of efficient MOF-based photocatalysts. Keywords: Bi2O3; chlortetracycline; metal
  • –organic frameworks; MIL101(Fe); photocatalysts; Z-scheme heterojunction; Introduction Tetracyclines, as the second most widely used antibiotic in the world, have been widely applied in clinics, aquaculture, and livestock due to its broad-spectrum antibacterial properties and low price [1][2
  • efficient photocatalysts for CTC degradation. Metal–organic frameworks (MOFs) are a kind of micro- or mesoporous materials established by the self-assembly of organic linkers and metal-cluster or metal-ion nodes [19]. The MOF materials possess large surface areas, high pore volume, tunability, uniform
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Published 28 Sep 2022

Solar-light-driven LaFexNi1−xO3 perovskite oxides for photocatalytic Fenton-like reaction to degrade organic pollutants

  • Chao-Wei Huang,
  • Shu-Yu Hsu,
  • Jun-Han Lin,
  • Yun Jhou,
  • Wei-Yu Chen,
  • Kun-Yi Andrew Lin,
  • Yu-Tang Lin and
  • Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 882–895, doi:10.3762/bjnano.13.79

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  • decompose the methylene blue molecules. Accordingly, the synthesis condition of pH 0, calcination temperature at 700 °C, and Fe/Ni ratio = 7/3 could form LaFe0.7Ni0.3O3 perovskite oxides as highly efficient photocatalysts. Moreover, various conditions during the photocatalytic degradation were verified
  • ]. LaFeO3 perovskite oxides are promising materials to conduct Fenton-like oxidation to decompose organic pollutants with light irradiation. Some literature exhibits the capability of LaFeO3 perovskite oxides as photocatalysts to degrade organic contaminants. Li et al. prepared intrinsic LaFeO3 or SmFeO3
  • precursor for VOCs combustion [32], hydrogen production from ethanol [33], hydrocarbon fuels production from CO2 and H2O [34], syngas production from dry reforming [35], steam reforming of methane [36], or combined reforming of methane with CO2 and O2 [37]. Meanwhile, LaNiO3 photocatalysts also played an
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Published 05 Sep 2022

Hierarchical Bi2WO6/TiO2-nanotube composites derived from natural cellulose for visible-light photocatalytic treatment of pollutants

  • Zehao Lin,
  • Zhan Yang and
  • Jianguo Huang

Beilstein J. Nanotechnol. 2022, 13, 745–762, doi:10.3762/bjnano.13.66

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  • method for the reduction of Cr(VI) into Cr(III) due to its high efficiency, energy-saving, and nonpolluting advantages [4]. Among the various photocatalysts, traditional titania (TiO2) photocatalysts have received great attention due to their high reactivity, excellent stability, and nontoxicity [5][6][7
  • -responsive semiconductors with suitable band structures provides a pathway for the advancement of highly efficient photocatalysts [9]. It has been demonstrated that the assembly of various nanoscale building blocks to form the corresponding nanoarchitectonics provides an ideal pathway for the syntheses of a
  • large variety of functional materials [10][11][12][13][14][15]; in particular, for the fabrication of specific catalytic materials [16][17][18][19]. Recently, several bismuth-based photocatalysts have drawn extensive attention owing to their unique band structures and excellent stability against
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Published 04 Aug 2022

A comprehensive review on electrospun nanohybrid membranes for wastewater treatment

  • Senuri Kumarage,
  • Imalka Munaweera and
  • Nilwala Kottegoda

Beilstein J. Nanotechnol. 2022, 13, 137–159, doi:10.3762/bjnano.13.10

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Published 31 Jan 2022

Tin dioxide nanomaterial-based photocatalysts for nitrogen oxide oxidation: a review

  • Viet Van Pham,
  • Hong-Huy Tran,
  • Thao Kim Truong and
  • Thi Minh Cao

Beilstein J. Nanotechnol. 2022, 13, 96–113, doi:10.3762/bjnano.13.7

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  • working scheme of semiconductor photocatalysts for NO oxidation. Light generates holes (h+) in the valence band (VB) and electrons (e–) in the conduction band (CB) of the photocatalytic material. Electrons at the material surface will react with oxygen molecules to form superoxide radicals (•O2
  • to the reduction of O2 to •O2− [31][33] and the rapid recombination rate of photoinduced electron–hole pairs [34], the photocatalytic ability of SnO2 is less efficient than that of other semiconductor photocatalysts (Figure 2b). Despite literature relating to the unfavorable CB edge of SnO2, many
  • reflectance spectroscopy (DRS) [35][36][37][38][39][40]. This promotes a new avenue for diverse analyses of semiconductor photocatalysts in addition to the traditional theories and conclusions. Previous studies have shown that the photocatalytic activity of NOx decomposition of materials in general and SnO2
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Published 21 Jan 2022

Self-assembly of amino acids toward functional biomaterials

  • Huan Ren,
  • Lifang Wu,
  • Lina Tan,
  • Yanni Bao,
  • Yuchen Ma,
  • Yong Jin and
  • Qianli Zou

Beilstein J. Nanotechnol. 2021, 12, 1140–1150, doi:10.3762/bjnano.12.85

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  • photosensitizers and limit their severe self-aggregation. Dopamine was chosen as the model substrate to illustrate the photooxidative properties of nanocapsules. After illumination, dopamine is converted to leucine on the nanocapsules. Hence, nanocapsules can be used as photocatalysts to improve the
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Published 12 Oct 2021

Nanoporous and nonporous conjugated donor–acceptor polymer semiconductors for photocatalytic hydrogen production

  • Zhao-Qi Sheng,
  • Yu-Qin Xing,
  • Yan Chen,
  • Guang Zhang,
  • Shi-Yong Liu and
  • Long Chen

Beilstein J. Nanotechnol. 2021, 12, 607–623, doi:10.3762/bjnano.12.50

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  • Conjugated polymers (CPs) as photocatalysts have evoked substantial interest. Their geometries and physical (e.g., chemical and thermal stability and solubility), optical (e.g., light absorption range), and electronic properties (e.g., charge carrier mobility, redox potential, and exciton binding energy) can
  • tuning the bandgap, enlarging the surface area, enabling more efficient separation of electron–hole pairs, and enhancing the charge carrier mobility. In particular, donor–acceptor (D–A) polymers were demonstrated as a promising platform to develop high-performance photocatalysts due to their easily
  • units. The challenges and prospects associated with D–A polymer-based photocatalysts are described as well. Keywords: π-conjugated polymeric photocatalysts; donor–acceptor junctions; nanostructure semiconductors; photocatalytic hydrogen production; Introduction To date, fossil fuels still are the
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Published 30 Jun 2021

Boosting of photocatalytic hydrogen evolution via chlorine doping of polymeric carbon nitride

  • Malgorzata Aleksandrzak,
  • Michalina Kijaczko,
  • Wojciech Kukulka,
  • Daria Baranowska,
  • Martyna Baca,
  • Beata Zielinska and
  • Ewa Mijowska

Beilstein J. Nanotechnol. 2021, 12, 473–484, doi:10.3762/bjnano.12.38

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  • visible light compared to catalysts doped with one heteroatom [39]. Other studies showed that S- and P-doped photocatalysts showed significantly increased photocatalytic activity in the degradation of methylene blue under visible light compared to bulk PCN. The improvement was attributed to lone-pair
  • three cycles of light on–off, the performance of both electrodes tends to stabilize, indicating that the photocatalysts are stable under visible-light irradiation [55]. The measurements obtained from electrochemical impedance spectroscopy (EIS) are shown in Figure 9b. It is known that the arc radius of
  • . Fabricated 2D nanomaterials were used as photocatalysts for hydrogen evolution from water splitting. It was found that the Cl-modification had an effect on the photocatalytic efficiency. Also, main aspects were revealed: (i) a unique location of Cl atoms at the interlayers of PCN and not on its π-conjugated
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Published 19 May 2021

Unravelling the interfacial interaction in mesoporous SiO2@nickel phyllosilicate/TiO2 core–shell nanostructures for photocatalytic activity

  • Bridget K. Mutuma,
  • Xiluva Mathebula,
  • Isaac Nongwe,
  • Bonakele P. Mtolo,
  • Boitumelo J. Matsoso,
  • Rudolph Erasmus,
  • Zikhona Tetana and
  • Neil J. Coville

Beilstein J. Nanotechnol. 2020, 11, 1834–1846, doi:10.3762/bjnano.11.165

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  • were used as photocatalysts for the degradation of methyl violet dye and the degradation efficiencies were found to be 72% and 99% for the mSiO2@NiPS and the mSiO2@NiPS/TiO2 nanostructures, respectively. Furthermore, a recyclability test revealed good stability and recyclability of the mSiO2@NiPS/TiO2
  • the core–shell nanostructure and yielded superior photocatalytic properties. Keywords: bandgap energy; core–shell; dye degradation; nickel phyllosilicate; photocatalysts; Introduction Textile dyes and organic compounds are major water pollutants, which create an environmental hazard to aquatic
  • efficient, reliable, and eco-friendly water-treatment and decontamination techniques in order to mitigate this issue [3][4]. Among the various techniques, the use of semiconducting photocatalysts for light-stimulated degradation of dye pollutants has been extensively investigated [5]. Owing to its chemical
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Published 09 Dec 2020
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