[PDF] Top 20 Crystalline donor-acceptor conjugated polymers for bulk heterojunction photovoltaics
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Crystalline donor-acceptor conjugated polymers for bulk heterojunction photovoltaics
... these polymers are capable of exhibiting high ...a crystalline conjugated polymer is usually higher than that of an amorphous conjugated polymer and therefore is more comparable with the ... See full document
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Thiophene spacers impart crystallinity and enhance the efficiency of benzotrithiophene-based conjugated polymers for bulk heterojunction photovoltaics
... the crystalline potential because of low steric demand on the planarity of the conjugated backbone when using 4- ...another acceptor, BO, because it has electron-withdrawing ability similar to that ... See full document
9
Benzooxadiazole-based donor/acceptor copolymers imparting bulk-heterojunction solar cells with high open-circuit voltages
... new conjugated polymersdPFTBO, PAFTBO, and PCTBOdfeaturing alternating 9,9-dialkylfluorene, alkylidene fluo- rene, and N-alkyl-2,7-carbazole units, respectively, as weakly electron-rich building blocks and TBO units ... See full document
7
Crystalline Low-Band Gap Polymers Comprising Thiophene and 2,1,3-Benzooxadiazole Units for Bulk Heterojunction Solar Cells
... an acceptor unit to lower the LUMO energy level of a D/A ...the acceptor, however, both the HOMO and LUMO energy level of the synthesized polymer can be ...Some polymers based on BO units, however, ... See full document
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Improved thin film morphology and bulk-heterojunction solar cell performance through systematic tuning of the surface energy of conjugated polymers
... the polymers both in CHCl 3 and in films are shown in ...three polymers showed two similar absorption bands in the range of 350–450 nm and 550–800 ...between donor IDT and acceptor DPP ... See full document
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Synthesis, photophysical and photovoltaic properties of a new class of two-dimensional conjugated polymers containing donor-acceptor chromophores as pendant groups
... design for constructing two-dimensional conjugated copolymers with the D 1 –A(D 2 ) repeating pattern (A: acceptor, D 1 : donor 1, D 2 : donor 2; molecules enclosed in parentheses are ... See full document
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Synthesis, Molecular and Photovoltaic Properties of Donor-Acceptor Conjugated Polymers Incorporating a New Heptacylic Indacenodithieno[3,2-b]thiophene Arene
... Characteristics. Bulk heterojunction photo- voltaic cells were fabricated by spin-coating the blends from o- dichlorobenzene solutions at various polymer-to-PC 71 BM ratios on the basis of ... See full document
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Conjugated random copolymers of benzodithiophene-benzooxadiazole-diketopyrrolopyrrole with full visible light absorption for bulk heterojunction solar cells
... obtain conjugated polymers exhibiting low band gaps as a result of the internal charge transfer between the D and A ...D–A conjugated polymer while maintaining a low-lying HOMO for a high ... See full document
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Intramolecular Donor-Acceptor Regioregular Poly(hexylphenanthrenyl-imidazole thiophene) Exhibits Enhanced Hole Mobility for Heterojunction Solar Cell Applications
... Wei* Conjugated polymers possessing extended arrays of delocalized p electrons are being investigated intensively for their potential use in organic optoelectronic devices, with some studies focused ... See full document
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Synthesis and Applications of Low-Bandgap Conjugated Polymers Containing Phenothiazine Donor and Various Benzodiazole Acceptors for Polymer Solar Cells
... LBG polymers containing the phenothiazine unit as an electron donor conjugated with var- ious benzodiazole acceptors via hexyl-thiophene linkers were synthesized and ...These polymers show ... See full document
12
Donor-acceptor polymers based on multi-fused heptacyclic structures: synthesis, characterization and photovoltaic applications
... of bulk heterojunction (BHJ) are the most widely adopted device architecture to ensure maximum internal donor–acceptor (D–A) interfacial area for efficient charge ...p-type ... See full document
3
Synthesis and Characterization of Novel Low-Bandgap Triphenylamine-Based Conjugated Polymers with Main-Chain Donors and Pendent Acceptors for Organic Photovoltaics
... on polymers have attracted intense research interests in recent years because of their unique advantages of low cost, light weight, and compatibil- ity for making flexible and large area ...tion-processed ... See full document
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Supramolecular Assembly of H-Bonded Side-Chain Polymers Containing Conjugated Pyridyl H-Acceptor Pendants and Various Low-Band-Gap H-Donor Dyes Bearing Cyanoacrylic Acid Groups for Organic Solar Cell Applications
... chain polymers P1/S1–P1/S4 and P2/S1–P2/S4 is to utilize new narrow band-gap H-donor dyes self- assembled with side-chain conjugated H-acceptor polymers into supramolecular polymeric ... See full document
16
Synthesis of Conjugated Polymers for Organic Solar Cell Applications
... bilayer heterojunction configuration containing a p-type layer for hole transport and an n-type layer for electron transport has been implemented by Tang to improve the photocurrent of the solar cell ... See full document
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Synthesis and application of H-Bonded cross-linking polymers containing a conjugated pyridyl H-Acceptor side-chain polymer and various carbazole-based H-Donor dyes bearing symmetrical cyanoacrylic acids for organic solar cells
... attention for the scientists to develop solar energy conver- sion devices ...and polymers were applied as advanced materials for the development of organic photovoltaic (OPV) devices for ... See full document
11
Intramolecular donor-acceptor regioregular poly(3-hexylthiophene)s presenting octylphenanthrenyl-imidazole moieties exhibit enhanced charge transfer for heterojunction solar cell applications
... of conjugated polymers that possess extended delocalized p-electron systems and can be used in organic optoelectronic devices has been an area of extensive investigation, with earlier studies focusing on ... See full document
10
An extremely low bandgap donor-acceptor copolymer for panchromatic solar cells
... jugated polymers have attracted considerable attention because of their potential use for future cheap and renewable energy production ...utilize donor–electron acceptor bulk ... See full document
4
Conjugated Polymer/Nanocrystal Nanocomposites for Renewable Energy Applications in Photovoltaics and Photocatalysis
... holes for photocurrent fl ow or reduction/oxidation (redox) reactions under proper ...into conjugated polymers can complement the visible light absorption range of the polymers for ... See full document
16
Annealing treatment improves the morphology and performance of photovoltaic devices prepared from thieno[3,4-c]pyrrole-4,6-dione-based donor/acceptor conjugated polymers and CdSe nanostructures
... materials for use in thin film organic optoelectronic devices is an attractive area of investigation because of its easy and low-cost structure that reduces energy consumption during the fabrication of large-area ... See full document
7
Distribution of Crystalline Polymer and Fullerene Clusters in Both Horizontal and Vertical Directions of High-Efficiency Bulk Heterojunction Solar Cells
... the conjugated polymer-rich and fullerene-rich domains, respectively, because the di fferences in the electron scattering densities of fullerenes ...accounted for even though they are complementary ... See full document
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