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Search for "photovoltaics" in Full Text gives 112 result(s) in Beilstein Journal of Nanotechnology.

Numerical analysis of single-point spectroscopy curves used in photo-carrier dynamics measurements by Kelvin probe force microscopy under frequency-modulated excitation

  • Pablo A. Fernández Garrillo,
  • Benjamin Grévin and
  • Łukasz Borowik

Beilstein J. Nanotechnol. 2018, 9, 1834–1843, doi:10.3762/bjnano.9.175

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  • experimental results as additional information about the photo-carrier dynamics of the sample can be gained via the numerical analysis. Keywords: carrier dynamics; carrier lifetime; carrier recombination; Kelvin probe force microscopy; nanostructured photovoltaics; numerical simulations; photo-carrier
  • . Experimental Photo-carrier generation is a process that takes place in semiconductor materials when electron–hole pairs (positive and negative polarons in the case of organic photovoltaics) are created by exciting an electron from the valence band to the conduction band (π-electrons from the highest occupied
  • molecular orbital of the molecule to the lowest unoccupied molecular orbital in the case of organic photovoltaics), thus leaving a hole behind that can be considered as a positive charge. Recombination is the opposed process where negative and positive charges recombine and are annihilated. In both cases
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Published 20 Jun 2018

Direct AFM-based nanoscale mapping and tomography of open-circuit voltages for photovoltaics

  • Katherine Atamanuk,
  • Justin Luria and
  • Bryan D. Huey

Beilstein J. Nanotechnol. 2018, 9, 1802–1808, doi:10.3762/bjnano.9.171

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  • Katherine Atamanuk Justin Luria Bryan D. Huey University of Connecticut, Dept. of Materials Science and Engineering, Storrs, Connecticut 06269, USA 10.3762/bjnano.9.171 Abstract The nanoscale optoelectronic properties of materials can be especially important for polycrystalline photovoltaics
  • property mapping is especially beneficial for specimens sensitive to their environment, as is common for many photovoltaics in the presence of oxygen or humidity [19]. Along these lines, direct measurements of VOC* during exposure to acetic acid are ongoing for Si solar cells to correlate any changes in
  • polycrystalline film is relatively rough when considered at the nanometer scale, revealing grains, facets, and grain boundaries with topographic protrusions and depressions as great as ±150 nm. Surface-potential studies of a range of photovoltaics have identified correlations between such features and their
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Published 14 Jun 2018

Multimodal noncontact atomic force microscopy and Kelvin probe force microscopy investigations of organolead tribromide perovskite single crystals

  • Yann Almadori,
  • David Moerman,
  • Jaume Llacer Martinez,
  • Philippe Leclère and
  • Benjamin Grévin

Beilstein J. Nanotechnol. 2018, 9, 1695–1704, doi:10.3762/bjnano.9.161

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  • (BELSPO-PAI VII/5), the FRS-FNRS PDR Project “Hybrid Organic/Inorganic Nanomaterials for Energy COnversion and STOrage Devices on FLEXible and Stretchable Substrates (ECOSTOFLEX)”, and MP 1307 COST Action “Stable Next-Generation Photovoltaics: Unraveling Degradation Mechanisms of Organic and Perovskite
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Published 07 Jun 2018

Sulfur-, nitrogen- and platinum-doped titania thin films with high catalytic efficiency under visible-light illumination

  • Boštjan Žener,
  • Lev Matoh,
  • Giorgio Carraro,
  • Bojan Miljević and
  • Romana Cerc Korošec

Beilstein J. Nanotechnol. 2018, 9, 1629–1640, doi:10.3762/bjnano.9.155

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  • is used in a variety of applications, such as photovoltaics [2], white pigments [3], electrochemistry [4], catalytic support [5], and most notably, photocatalysis [6]. Photocatalysis is used to describe a process during which a semiconductor (titanium dioxide) interacts with light to produce reactive
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Published 04 Jun 2018

Cr(VI) remediation from aqueous environment through modified-TiO2-mediated photocatalytic reduction

  • Rashmi Acharya,
  • Brundabana Naik and
  • Kulamani Parida

Beilstein J. Nanotechnol. 2018, 9, 1448–1470, doi:10.3762/bjnano.9.137

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  • surface area, graphene and its derivatives have attracted significant attention for various applications like photocatalysis, energy storage, nano-electronics and photovoltaics [106][107][108][109][110]. In photocatalytic water treatment, these are considered as promising candidates to combine with
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Published 16 May 2018

Computational exploration of two-dimensional silicon diarsenide and germanium arsenide for photovoltaic applications

  • Sri Kasi Matta,
  • Chunmei Zhang,
  • Yalong Jiao,
  • Anthony O'Mullane and
  • Aijun Du

Beilstein J. Nanotechnol. 2018, 9, 1247–1253, doi:10.3762/bjnano.9.116

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  • The potential applications of two-dimensional (2D) materials are one of the key research areas for many researchers since graphene was isolated and characterized in 2004 [1]. The number of applications is vast including photovoltaics, nanoelectronics, Dirac materials and solar fuels through water
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Published 19 Apr 2018

Semi-automatic spray pyrolysis deposition of thin, transparent, titania films as blocking layers for dye-sensitized and perovskite solar cells

  • Hana Krýsová,
  • Josef Krýsa and
  • Ladislav Kavan

Beilstein J. Nanotechnol. 2018, 9, 1135–1145, doi:10.3762/bjnano.9.105

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  • ), solid state dye-sensitized solar cells (SSDSSCs) and perovskite solar cells (PSCs) are attractive alternatives to solid state photovoltaics at competitive cost. The general concept of a DSSC is based on a liquid junction photo-electrochemical cell with a nanocrystalline TiO2 photoanode that is
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Published 10 Apr 2018

Optimisation of purification techniques for the preparation of large-volume aqueous solar nanoparticle inks for organic photovoltaics

  • Furqan Almyahi,
  • Thomas R. Andersen,
  • Nathan A. Cooling,
  • Natalie P. Holmes,
  • Matthew J. Griffith,
  • Krishna Feron,
  • Xiaojing Zhou,
  • Warwick J. Belcher and
  • Paul C. Dastoor

Beilstein J. Nanotechnol. 2018, 9, 649–659, doi:10.3762/bjnano.9.60

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  • : aqueous nanoparticle; crossflow ultrafiltration; miniemulsion; organic photovoltaic; SDS surfactant; surface tension; Introduction Organic photovoltaics (OPV) are a promising energy technology that utilizes large-scale roll-to-roll (R2R) fabrication techniques (such as slot-die coating, flexographical
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Published 20 Feb 2018

Anchoring of a dye precursor on NiO(001) studied by non-contact atomic force microscopy

  • Sara Freund,
  • Antoine Hinaut,
  • Nathalie Marinakis,
  • Edwin C. Constable,
  • Ernst Meyer,
  • Catherine E. Housecroft and
  • Thilo Glatzel

Beilstein J. Nanotechnol. 2018, 9, 242–249, doi:10.3762/bjnano.9.26

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  • photovoltaics such as dye-sensitized solar cells (DSSCs) [1][2][3][4]. In the latter field, the wide band gap n-type semiconductor TiO2 has become one of the most common metal oxides for the design of classical n-type DSSCs, and is therefore a widely studied material, in particular in the field of scanning
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Published 23 Jan 2018

Dopant-stimulated growth of GaN nanotube-like nanostructures on Si(111) by molecular beam epitaxy

  • Alexey D. Bolshakov,
  • Alexey M. Mozharov,
  • Georgiy A. Sapunov,
  • Igor V. Shtrom,
  • Nickolay V. Sibirev,
  • Vladimir V. Fedorov,
  • Evgeniy V. Ubyivovk,
  • Maria Tchernycheva,
  • George E. Cirlin and
  • Ivan S. Mukhin

Beilstein J. Nanotechnol. 2018, 9, 146–154, doi:10.3762/bjnano.9.17

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  • the field of photovoltaics. In case of silicon-based solar cells (SCs), reflection can be reduced from 30% (pure Si) down to 3% without deposition of multilayer antireflection coatings or involvement of complicated postgrowth techniques generally used for modification of the SC surface roughness [9
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Published 15 Jan 2018

Advances in nanocarbon composite materials

  • Sharali Malik,
  • Arkady V. Krasheninnikov and
  • Silvia Marchesan

Beilstein J. Nanotechnol. 2018, 9, 20–21, doi:10.3762/bjnano.9.3

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  • newer areas of nanocarbon materials for use in biomedicine and diagnostics. Energy transfer materials are also well represented with articles and reviews covering aspects of engineering, thermo-mechanical properties, photovoltaics and Li-ion battery materials. Last but not least, we would like to thank
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Published 03 Jan 2018

Synthesis of [{AgO2CCH2OMe(PPh3)}n] and theoretical study of its use in focused electron beam induced deposition

  • Jelena Tamuliene,
  • Julian Noll,
  • Peter Frenzel,
  • Tobias Rüffer,
  • Alexander Jakob,
  • Bernhard Walfort and
  • Heinrich Lang

Beilstein J. Nanotechnol. 2017, 8, 2615–2624, doi:10.3762/bjnano.8.262

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  • metals [5]. In this context, the deposition of, for example, silver is challenging, since there is a lack of volatile silver precursors for FEBID processes [5]. Silver (nano)structures are of importance, for example, in circuits, batteries, LED or RFID chips, medicine and photovoltaics [1]. Recently, it
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Published 06 Dec 2017

Changes of the absorption cross section of Si nanocrystals with temperature and distance

  • Michael Greben,
  • Petro Khoroshyy,
  • Sebastian Gutsch,
  • Daniel Hiller,
  • Margit Zacharias and
  • Jan Valenta

Beilstein J. Nanotechnol. 2017, 8, 2315–2323, doi:10.3762/bjnano.8.231

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  • attainable purity – has been a dominant material for microelectronics and photovoltaics. However, the constantly increasing energy consumption and environmental issues challenge researchers to develop fundamentally new concepts to overcome the limitations of current technologies. The nanocrystalline form of
  • photovoltaics, nanocrystalline Si is a promising material for the top cell of all-Si tandem cells that can theoretically reach efficiencies much above the Shockley–Queisser limit of 31% for single-junction solar cells [2]. Current injection into Si NCs can be utilized in Si-based light emitting diodes or
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Published 06 Nov 2017

Synthesis and characterization of noble metal–titania core–shell nanostructures with tunable shell thickness

  • Bartosz Bartosewicz,
  • Marta Michalska-Domańska,
  • Malwina Liszewska,
  • Dariusz Zasada and
  • Bartłomiej J. Jankiewicz

Beilstein J. Nanotechnol. 2017, 8, 2083–2093, doi:10.3762/bjnano.8.208

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  • use in many fields. For example, TiO2 nanomaterials have been investigated for their use in photocatalysis [12][13][14], photocatalytic fuel generation [15], photovoltaics and sensors [16][17]. The CSNs with noble metal (Au, Ag) nanoparticles (NPs) as a core and TiO2 shell, Au@TiO2 and Ag@TiO2, have
  • 20–30 nm up to 100 nm simply by changing the titania precursor concentration. These as-prepared materials have significant absorption in the UV and visible range and therefore have high potential for applications in solar-light-driven photocatalysis and photovoltaics. In addition, we show for the
  • . Fabricated core–shell nanostructures have significant extinction in the UV and visible range and therefore should be of great interest for applications in solar-light-driven photocatalysis and photovoltaics. In the future, studies will be carried out to further optimize reaction conditions toward coating
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Published 05 Oct 2017

High-stress study of bioinspired multifunctional PEDOT:PSS/nanoclay nanocomposites using AFM, SEM and numerical simulation

  • Alfredo J. Diaz,
  • Hanaul Noh,
  • Tobias Meier and
  • Santiago D. Solares

Beilstein J. Nanotechnol. 2017, 8, 2069–2082, doi:10.3762/bjnano.8.207

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  • interfaces have received special attention as an integral component in organic photovoltaics and organic light-emitting diode systems. Developing a transparent pressure-responsive nanocomposite has potential application within touchscreen displays. To synthesize a transparent nanocomposite coating, the
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Published 04 Oct 2017

Two-dimensional carbon-based nanocomposites for photocatalytic energy generation and environmental remediation applications

  • Suneel Kumar,
  • Ashish Kumar,
  • Ashish Bahuguna,
  • Vipul Sharma and
  • Venkata Krishnan

Beilstein J. Nanotechnol. 2017, 8, 1571–1600, doi:10.3762/bjnano.8.159

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Published 03 Aug 2017

Spin-chemistry concepts for spintronics scientists

  • Konstantin L. Ivanov,
  • Alexander Wagenpfahl,
  • Carsten Deibel and
  • Jörg Matysik

Beilstein J. Nanotechnol. 2017, 8, 1427–1445, doi:10.3762/bjnano.8.143

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Published 11 Jul 2017

Oxidative chemical vapor deposition of polyaniline thin films

  • Yuriy Y. Smolin,
  • Masoud Soroush and
  • Kenneth K. S. Lau

Beilstein J. Nanotechnol. 2017, 8, 1266–1276, doi:10.3762/bjnano.8.128

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  • demonstrated PEDOT as a neutral hole-transporting polymer for enhancing solar cells efficiency and lifetime [28]. oCVD PEDOT was also used to encapsulate flexible organic photovoltaics [29] and in the fabrication of organic photovoltaic circuits on unmodified paper [30]. Likewise, our group demonstrated the
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Published 16 Jun 2017

Stable Au–C bonds to the substrate for fullerene-based nanostructures

  • Taras Chutora,
  • Jesús Redondo,
  • Bruno de la Torre,
  • Martin Švec,
  • Pavel Jelínek and
  • Héctor Vázquez

Beilstein J. Nanotechnol. 2017, 8, 1073–1079, doi:10.3762/bjnano.8.109

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  • in 1985 [5], fullerenes have played an important role in molecular surface science, organic photovoltaics and single-molecule electronics. Fullerenes can be deposited on a series of metallic and semiconducting substrates [6][7][8]. In molecular transport, they have been used both as target molecules
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Published 17 May 2017

Optical response of heterogeneous polymer layers containing silver nanostructures

  • Miriam Carlberg,
  • Florent Pourcin,
  • Olivier Margeat,
  • Judikaël Le Rouzo,
  • Gérard Berginc,
  • Rose-Marie Sauvage,
  • Jörg Ackermann and
  • Ludovic Escoubas

Beilstein J. Nanotechnol. 2017, 8, 1065–1072, doi:10.3762/bjnano.8.108

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  • NPs, the thin film layers will absorb in the visible wavelength range. This leads to applications of plasmonic thin film layers for photodetectors [10], photovoltaics [6][11] or nonreflective coatings [12][13][14]. In this works, silver NPs were chosen for their high electric field enhancement in the
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Published 16 May 2017

Near-field surface plasmon field enhancement induced by rippled surfaces

  • Mario D’Acunto,
  • Francesco Fuso,
  • Ruggero Micheletto,
  • Makoto Naruse,
  • Francesco Tantussi and
  • Maria Allegrini

Beilstein J. Nanotechnol. 2017, 8, 956–967, doi:10.3762/bjnano.8.97

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  • spectroscopy (TERS) [5], plasmonic photovoltaics [6][7][8], plasmonic nanosensors [9][10], and near-field optical theory [2][11][12]. It is commonly accepted that enormous field enhancements at the resonance of the optical response applied to randomly patterned metal nanostructures are highly dependent upon
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Published 28 Apr 2017

Synthesis of coaxial nanotubes of polyaniline and poly(hydroxyethyl methacrylate) by oxidative/initiated chemical vapor deposition

  • Alper Balkan,
  • Efe Armagan and
  • Gozde Ozaydin Ince

Beilstein J. Nanotechnol. 2017, 8, 872–882, doi:10.3762/bjnano.8.89

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  • various applications, such as biotechnology [1][2], food industry [3][4], sensors [5] or photovoltaics [6]. Polymeric nanostructures have attained special interest because of their prominent advantages, such as cost-effectiveness, ease of fabrication and biocompatibility making these nanostructures
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Published 18 Apr 2017

Synthesis of graphene–transition metal oxide hybrid nanoparticles and their application in various fields

  • Arpita Jana,
  • Elke Scheer and
  • Sebastian Polarz

Beilstein J. Nanotechnol. 2017, 8, 688–714, doi:10.3762/bjnano.8.74

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Published 24 Mar 2017

Analysis and modification of defective surface aggregates on PCDTBT:PCBM solar cell blends using combined Kelvin probe, conductive and bimodal atomic force microscopy

  • Hanaul Noh,
  • Alfredo J. Diaz and
  • Santiago D. Solares

Beilstein J. Nanotechnol. 2017, 8, 579–589, doi:10.3762/bjnano.8.62

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  • force microscopy; multifrequency AFM; organic photovoltaics; polymer solar cells; surface defects; Introduction Polymer solar cells (PSCs) [1] have been widely studied due to the abundance of their constituents, their mechanical flexibility and light weight, as well as the possibility of low-cost roll
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Published 08 Mar 2017

In-situ monitoring by Raman spectroscopy of the thermal doping of graphene and MoS2 in O2-controlled atmosphere

  • Aurora Piazza,
  • Filippo Giannazzo,
  • Gianpiero Buscarino,
  • Gabriele Fisichella,
  • Antonino La Magna,
  • Fabrizio Roccaforte,
  • Marco Cannas,
  • Franco Mario Gelardi and
  • Simonpietro Agnello

Beilstein J. Nanotechnol. 2017, 8, 418–424, doi:10.3762/bjnano.8.44

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  • availability of Gr paved the way for studies and applications in many fields of materials science and technology including optics, electronics, and photovoltaics [5][6]. In these contexts, different growth processes optimized to obtain large area-samples, comprising epitaxial growth on silicon carbide [7][8
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Published 10 Feb 2017
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