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Search for "photovoltaics" in Full Text gives 50 result(s) in Beilstein Journal of Organic Chemistry.

Nitration of 5,11-dihydroindolo[3,2-b]carbazoles and synthetic applications of their nitro-substituted derivatives

  • Roman A. Irgashev,
  • Nikita A. Kazin,
  • Gennady L. Rusinov and
  • Valery N. Charushin

Beilstein J. Org. Chem. 2017, 13, 1396–1406, doi:10.3762/bjoc.13.136

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  • (OFETs) [14][15][16][17][18], and a variety of organic photovoltaics [19][20][21][22][23][24][25]. For instance, two functional ICZ-cored compounds, that have recently been described as effective materials for organic electronic devices, are shown in Figure 1. It should be noted that the indolo[3,2-b
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Published 14 Jul 2017

Molecular-level architectural design using benzothiadiazole-based polymers for photovoltaic applications

  • Vinila N. Viswanathan,
  • Arun D. Rao,
  • Upendra K. Pandey,
  • Arul Varman Kesavan and
  • Praveen C. Ramamurthy

Beilstein J. Org. Chem. 2017, 13, 863–873, doi:10.3762/bjoc.13.87

Graphical Abstract
  • backbone was also studied. This enhanced planarity led to the highest observed mobility among the reported three polymers as well as to an improvement in the device efficiency by more than 40% for P3. Keywords: bulk heterojunction; donor–acceptor–donor polymer; low band gap polymer; organic photovoltaics
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Published 10 May 2017

High performance p-type molecular electron donors for OPV applications via alkylthiophene catenation chromophore extension

  • Paul B. Geraghty,
  • Calvin Lee,
  • Jegadesan Subbiah,
  • Wallace W. H. Wong,
  • James L. Banal,
  • Mohammed A. Jameel,
  • Trevor A. Smith and
  • David J. Jones

Beilstein J. Org. Chem. 2016, 12, 2298–2314, doi:10.3762/bjoc.12.223

Graphical Abstract
  • which funds the project grants within the Australian Centre for Advanced Photovoltaics. Responsibility for the views, information or advice expressed herein is not accepted by the Australian Government. We thank CSIRO for access to the PESA and glovebox equipment. This work was performed in part at the
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Published 02 Nov 2016

Comparing blends and blocks: Synthesis of partially fluorinated diblock polythiophene copolymers to investigate the thermal stability of optical and morphological properties

  • Pierre Boufflet,
  • Sebastian Wood,
  • Jessica Wade,
  • Zhuping Fei,
  • Ji-Seon Kim and
  • Martin Heeney

Beilstein J. Org. Chem. 2016, 12, 2150–2163, doi:10.3762/bjoc.12.205

Graphical Abstract
  • -scale is of particular interest in the field of organic photovoltaics (OPV), where separation of the electron donor and acceptor domains on the order of the exciton diffusion length (5–10 nm) is required [1][6][7][8][9]. Many approaches have been reported to tether two or more light-absorbing polymers
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Published 10 Oct 2016

Thiophene-forming one-pot synthesis of three thienyl-bridged oligophenothiazines and their electronic properties

  • Dominik Urselmann,
  • Konstantin Deilhof,
  • Bernhard Mayer and
  • Thomas J. J. Müller

Beilstein J. Org. Chem. 2016, 12, 2055–2064, doi:10.3762/bjoc.12.194

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  • hole-transport materials in organic light emitting diodes [10][11][12][13][14][15], organic field-effect transistors [16][17][18][19][20][21][22], and organic photovoltaics [23][24][25][26]. Likewise their smaller congeners, 2,5-di(hetero)aryl substituted thiophenes [4][5], are equally relevant as
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Published 20 Sep 2016

Synthesis and characterization of fluorinated azadipyrromethene complexes as acceptors for organic photovoltaics

  • Forrest S. Etheridge,
  • Roshan J. Fernando,
  • Sandra Pejić,
  • Matthias Zeller and
  • Geneviève Sauvé

Beilstein J. Org. Chem. 2016, 12, 1925–1938, doi:10.3762/bjoc.12.182

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  • Homoleptic zinc(II) complexes of di(phenylacetylene)azadipyrromethene (e.g., Zn(WS3)2) are potential non-fullerene electron acceptors for organic photovoltaics. To tune their properties, fluorination of Zn(WS3)2 at various positions was investigated. Three fluorinated azadipyrromethene-based ligands were
  • chelation [1][2][3][4]. BF2+-chelated ADP derivatives (Figure 1b) in particular have drawn interest for photodynamic therapy, bio-imaging and light harvesting applications [5][6][7][8]. We have shown that derivatives of Zn(ADP)2 are promising electron acceptors for organic photovoltaics (OPVs) [9][10]. A
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Published 29 Aug 2016

Organic chemistry meets polymers, nanoscience, therapeutics and diagnostics

  • Vincent M. Rotello

Beilstein J. Org. Chem. 2016, 12, 1638–1646, doi:10.3762/bjoc.12.161

Graphical Abstract
  • together to generate molecular switches and devices [13]. This work has continued through our long productive collaboration with Graeme Cooke, now at University of Glasgow, moving from redox-active systems [14][15] to photovoltaics (along with Ifor Samuel at St. Andrew’s) [16]. Go big, go nano After four
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Published 02 Aug 2016

3,6-Carbazole vs 2,7-carbazole: A comparative study of hole-transporting polymeric materials for inorganic–organic hybrid perovskite solar cells

  • Wei Li,
  • Munechika Otsuka,
  • Takehito Kato,
  • Yang Wang,
  • Takehiko Mori and
  • Tsuyoshi Michinobu

Beilstein J. Org. Chem. 2016, 12, 1401–1409, doi:10.3762/bjoc.12.134

Graphical Abstract
  • the PCE of 4% [1], some key improvements have been made in designing device structures and fabrication methods, and the PCE of the PSCs rapidly increased to >20% [2][3][4][5]. Compared to the conventional organic photovoltaics and dye-sensitized solar cells (DSSCs), PSCs benefit from a broad light
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Published 07 Jul 2016

Separation and identification of indene–C70 bisadduct isomers

  • Bolong Zhang,
  • Jegadesan Subbiah,
  • David J. Jones and
  • Wallace W. H. Wong

Beilstein J. Org. Chem. 2016, 12, 903–911, doi:10.3762/bjoc.12.88

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  • well as device fabrication and testing. Acknowledgements This work was made possible by support from the Australian Renewable Energy Agency which funds the project grants within the Australian Centre for Advanced Photovoltaics. WWHW is supported by an Australian Research Council Future Fellowship
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Published 06 May 2016

Syntheses of dibenzo[d,d']benzo[2,1-b:3,4-b']difuran derivatives and their application to organic field-effect transistors

  • Minh Anh Truong and
  • Koji Nakano

Beilstein J. Org. Chem. 2016, 12, 805–812, doi:10.3762/bjoc.12.79

Graphical Abstract
  • conventional silicon-based semiconductors. Organic semiconducting materials can be used as active layers in organic field-effect transistors (OFETs) [1][2][3][4][5][6][7], organic light-emitting diodes (OLEDs) [8][9][10], and organic photovoltaics (OPVs) [11][12]. Among many organic semiconducting materials so
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Published 26 Apr 2016

Biocatalysis for the application of CO2 as a chemical feedstock

  • Apostolos Alissandratos and
  • Christopher J. Easton

Beilstein J. Org. Chem. 2015, 11, 2370–2387, doi:10.3762/bjoc.11.259

Graphical Abstract
  • solar energy into electricity for use as a source of electrons [20][159]. As seen, a number of enzymes and organisms are indeed capable of directly accepting electrons from electrodes in bioelectrochemical systems [160][161][162]. The use of electricity generated through photovoltaics allows the
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Review
Published 01 Dec 2015

Tuning the size of a redox-active tetrathiafulvalene-based self-assembled ring

  • Sébastien Bivaud,
  • Sébastien Goeb,
  • Vincent Croué,
  • Magali Allain,
  • Flavia Pop and
  • Marc Sallé

Beilstein J. Org. Chem. 2015, 11, 966–971, doi:10.3762/bjoc.11.108

Graphical Abstract
  • its size, and illustrating the high potential of the coordination-driven approach in tuning the size and the shape of a target cavity. This approach constitutes a promising strategy to address the design of organic materials (e.g. for organic photovoltaics or molecular electronic devices). Indeed
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Letter
Published 05 Jun 2015

Electrosynthesis and electrochemistry

  • Siegfried R. Waldvogel

Beilstein J. Org. Chem. 2015, 11, 949–950, doi:10.3762/bjoc.11.105

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  • alternative reaction pathways are employed by electrosynthetic methods, scarce and toxic elements can be replaced or are not required at all [3]. Moreover, in the foreseeable future regenerative sources of electricity, for example, photovoltaics and wind power, will provide a surplus of electricity as the
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Published 02 Jun 2015

Functionalized branched EDOT-terthiophene copolymer films by electropolymerization and post-polymerization “click”-reactions

  • Miriam Goll,
  • Adrian Ruff,
  • Erna Muks,
  • Felix Goerigk,
  • Beatrice Omiecienski,
  • Ines Ruff,
  • Rafael C. González-Cano,
  • Juan T. Lopez Navarrete,
  • M. Carmen Ruiz Delgado and
  • Sabine Ludwigs

Beilstein J. Org. Chem. 2015, 11, 335–347, doi:10.3762/bjoc.11.39

Graphical Abstract
  • , especially the position of the HOMO level and the HOMO–LUMO band gap value are crucial for the applicability in different devices such as organic photovoltaics, organic field effect transistors, organic light emitting diodes or organic electrochromic windows [1][2][3][4][5][6]. There are different ways to
  • . Such an orthogonal functionalization may further be used to control the properties in new materials for organic photovoltaics where low oxidation potentials are needed (monomer ratio) and a good processability from environmental solvents (e.g., water) is desired (introduction of polar/ionic groups
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Published 11 Mar 2015

Photovoltaic-driven organic electrosynthesis and efforts toward more sustainable oxidation reactions

  • Bichlien H. Nguyen,
  • Robert J. Perkins,
  • Jake A. Smith and
  • Kevin D. Moeller

Beilstein J. Org. Chem. 2015, 11, 280–287, doi:10.3762/bjoc.11.32

Graphical Abstract
  • Bichlien H. Nguyen Robert J. Perkins Jake A. Smith Kevin D. Moeller Washington University in Saint Louis, Saint Louis, Missouri 63130, United States 10.3762/bjoc.11.32 Abstract The combination of visible light, photovoltaics, and electrochemistry provides a convenient, inexpensive platform for
  • olefins [17]. Two examples are given in Scheme 2 [11]. A yield for the reactions is given for an experiment using photovoltaics as the power supply and a comparable reaction using a more traditional electrochemical setup. The photovoltaic-based reactions were conducted by adjusting the area of the
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Commentary
Published 23 Feb 2015

Solution processable diketopyrrolopyrrole (DPP) cored small molecules with BODIPY end groups as novel donors for organic solar cells

  • Diego Cortizo-Lacalle,
  • Calvyn T. Howells,
  • Upendra K. Pandey,
  • Joseph Cameron,
  • Neil J. Findlay,
  • Anto Regis Inigo,
  • Tell Tuttle,
  • Peter J. Skabara and
  • Ifor D. W. Samuel

Beilstein J. Org. Chem. 2014, 10, 2683–2695, doi:10.3762/bjoc.10.283

Graphical Abstract
  • interpenetrating network they form within a bulk heterojunction (BHJ), has led to intense research directed towards the synthesis of conjugated polymers for bulk heterojunction organic photovoltaics (OPVs) [1][2][3]. In these devices, the conjugated polymer acts as an electron donor and a soluble fullerene, most
  • . Conclusion Undoubtedly, the importance of having highly absorptive cores in the organic compounds is essential in order to increase the light harvesting for organic photovoltaics. However, other parameters such as good alignment of HOMO–LUMO levels with the acceptor material is also vital for efficient
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Published 18 Nov 2014

Scalable synthesis of 5,11-diethynylated indeno[1,2-b]fluorene-6,12-diones and exploration of their solid state packing

  • Bradley D. Rose,
  • Peter J. Santa Maria,
  • Aaron G. Fix,
  • Chris L. Vonnegut,
  • Lev N. Zakharov,
  • Sean R. Parkin and
  • Michael M. Haley

Beilstein J. Org. Chem. 2014, 10, 2122–2130, doi:10.3762/bjoc.10.219

Graphical Abstract
  • heteroatoms, etc.) [1][2][3]. Recently there has been resurging interest in PCHs for use as active materials in organic electronic devices. Some popular examples of devices undergoing extensive exploration are organic field effect transistors (OFET) [4][5], organic photovoltaics (OPV) [6], and organic light
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Published 05 Sep 2014

Aryl substitution of pentacenes

  • Andreas R. Waterloo,
  • Anna-Chiara Sale,
  • Dan Lehnherr,
  • Frank Hampel and
  • Rik R. Tykwinski

Beilstein J. Org. Chem. 2014, 10, 1692–1705, doi:10.3762/bjoc.10.178

Graphical Abstract
  • ; pentacene; π-stacking; polycyclic aromatic hydrocarbon; solid-state structure; Introduction Conjugated organic molecules are promising candidates for use in optoelectronic applications including OLEDs [1], photovoltaics [2], and OFETs [3]. Even though there is literally an infinite number of possibilities
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Published 28 Jul 2014

Novel indolin-2-one-substituted methanofullerenes bearing long n-alkyl chains: synthesis and application in bulk-heterojunction solar cells

  • Irina P. Romanova,
  • Andrei V. Bogdanov,
  • Inessa A. Izdelieva,
  • Vasily A. Trukhanov,
  • Gulnara R. Shaikhutdinova,
  • Dmitry G. Yakhvarov,
  • Shamil K. Latypov,
  • Vladimir F. Mironov,
  • Vladimir A. Dyakov,
  • Ilya V. Golovnin,
  • Dmitry Yu. Paraschuk and
  • Oleg G. Sinyashin

Beilstein J. Org. Chem. 2014, 10, 1121–1128, doi:10.3762/bjoc.10.111

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  • crystalline domains. Moreover, the more soluble AIMs do not show a better miscibility with the P3HT crystalline phase. Keywords: bulk heterojunction; fullerenes; isatin; phosphorus; photovoltaics; Introduction Organic photovoltaics are a rapidly growing field of research due to its potential for production
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Published 14 May 2014

Molecular assembly of amino acid interlinked, topologically symmetric, π-complementary donor–acceptor–donor triads

  • M. B. Avinash,
  • K. V. Sandeepa and
  • T. Govindaraju

Beilstein J. Org. Chem. 2013, 9, 1565–1571, doi:10.3762/bjoc.9.178

Graphical Abstract
  • involving topological symmetry of molecular structure that is explored in this current communication. Herein, we have employed NDI as the functional molecule due to its potential applications in field-effect transistors, photovoltaics and flexible displays [5][6]. Since the performance of electro-active
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Published 01 Aug 2013

Controlled synthesis of poly(3-hexylthiophene) in continuous flow

  • Helga Seyler,
  • Jegadesan Subbiah,
  • David J. Jones,
  • Andrew B. Holmes and
  • Wallace W. H. Wong

Beilstein J. Org. Chem. 2013, 9, 1492–1500, doi:10.3762/bjoc.9.170

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  • with the emergence of organic electronic devices. In particular, large-area devices such as organic thin-film photovoltaics will require significant quantities of materials for device optimization, lifetime testing and commercialization. Sourcing large quantities of materials required for the
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Published 25 Jul 2013

Enhancement of efficiency in organic photovoltaic devices containing self-complementary hydrogen-bonding domains

  • Rohan J. Kumar,
  • Jegadesan Subbiah and
  • Andrew B. Holmes

Beilstein J. Org. Chem. 2013, 9, 1102–1110, doi:10.3762/bjoc.9.122

Graphical Abstract
  • . Evidence is presented that the ability of these molecules to form one-dimensional hydrogen-bonded chains and subsequently exhibit hierarchical self-assembly into nanostructured domains can be correlated with improved device efficiency. Keywords: hydrogen-bonding; organic photovoltaics; self-assembly
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Published 06 Jun 2013

Molecular switches and cages

  • Dirk Trauner

Beilstein J. Org. Chem. 2012, 8, 870–871, doi:10.3762/bjoc.8.97

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  • in photovoltaics (Matile). Chemists, by nature, like to control things and probably actuate macroscopic switches more often than the average person. We hope that this collection of papers will motivate some of our colleagues to also consider nanoscopic versions of switches (and cages). For those of
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Editorial
Published 13 Jun 2012

Syntheses and properties of thienyl-substituted dithienophenazines

  • Annemarie Meyer,
  • Eva Sigmund,
  • Friedhelm Luppertz,
  • Gregor Schnakenburg,
  • Immanuel Gadaczek,
  • Thomas Bredow,
  • Stefan-S. Jester and
  • Sigurd Höger

Beilstein J. Org. Chem. 2010, 6, 1180–1187, doi:10.3762/bjoc.6.135

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  • -film transistors (OTFTs), or organic photovoltaics (OPVs) [1][2][3]. Concerning applications, organic materials are highly attractive due to their low cost and their particularly simple deposition from either vacuum or solution (casting or printing), and thus they are already utilized in industrial
  • photocurrent generation also from respective low-energy photons and thus enhancing the overall light harvesting yield in organic photovoltaics (OPV). For example, in the field of fused N- and S-heterocycles, thieno[3,4-b]pyrazines with various side groups have already found applications in OPVs [5][6][7][8
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Published 13 Dec 2010

Shape- persistent macrocycle with intraannular alkyl groups: some structural limits of discotic liquid crystals with an inverted structure

  • Sigurd Höger,
  • Jill Weber,
  • Andreas Leppert and
  • Volker Enkelmann

Beilstein J. Org. Chem. 2008, 4, No. 1, doi:10.1186/1860-5397-4-1

Graphical Abstract
  • peripheral flexible side groups that point outward [13][14][15][16]. They can be used for a variety of different optic and electronic applications, for example as materials for photovoltaics (in the columnar phase) [17][18][19] or as compensation layers in display technology (in the nematic phase) [20][21
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Published 09 Jan 2008
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