Double acceptor block-based copolymers for efficient organic solar cells: side-chain and π-bridge engineered high open-circuit voltage and small driving force

2019 ◽  
Vol 10 (45) ◽  
pp. 6227-6235 ◽  
Author(s):  
Hui Guo ◽  
Lie Chen ◽  
Bin Huang ◽  
Qian Xie ◽  
Shanshan Ding ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Driving Force ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
Side Chain ◽  
Traditional Concept ◽  
Efficient Approach ◽  
Donor Acceptor ◽  
Block Based

Different from the traditional concept of donor–acceptor (D–A) structures, the newly reported acceptor1–acceptor2 (A1–A2) type copolymers has been regarded as an efficient approach to boost the open circuit voltage (Voc).

scholarly journals Understanding the open circuit voltage in organic solar cells on the basis of a donor-acceptor abrupt (p-n++) heterojunction

Solar Energy ◽  
2019 ◽  
Vol 184 ◽  
pp. 610-619 ◽  
Author(s):  
J.C. Nolasco ◽  
A. Castro-Carranza ◽  
Y.A. León ◽  
C. Briones-Jurado ◽  
J. Gutowski ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
Donor Acceptor

Substituent effects in magnesium tetraethynylporphyrin with two diketopyrrolopyrrole units for bulk heterojunction organic solar cells

2017 ◽  
Vol 5 (44) ◽  
pp. 23067-23077 ◽  
Author(s):  
Keisuke Ogumi ◽  
Takafumi Nakagawa ◽  
Hiroshi Okada ◽  
Ryohei Sakai ◽  
Huan Wang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Bulk Heterojunction ◽  
Power Conversion ◽  
Substituent Effects ◽  
Open Circuit ◽  
Donor Acceptor

Acceptor–donor–acceptor conjugated magnesium porphyrins showed a power conversion efficiency of 5.73%, high open-circuit voltage of 0.79 V, or an extended incident photon-to-current conversion efficiency spectrum to 1100 nm, depending on the substituents.

Increased Open-Circuit Voltage of Organic Solar Cells by Reduced Donor-Acceptor Interface Area

2014 ◽  
Vol 26 (23) ◽  
pp. 3839-3843 ◽  
Author(s):  
Koen Vandewal ◽  
Johannes Widmer ◽  
Thomas Heumueller ◽  
Christoph J. Brabec ◽  
Michael D. McGehee ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
Interface Area ◽  
Donor Acceptor

scholarly journals The integrated adjustment of chlorine substitution and two-dimensional side chain of low band gap polymers in organic solar cells

2018 ◽  
Vol 9 (8) ◽  
pp. 940-947 ◽  
Author(s):  
Zhen Yang ◽  
Hui Chen ◽  
Huan Wang ◽  
Daize Mo ◽  
Longzhu Liu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Band Gap ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
Chain Extension ◽  
Side Chain ◽  
Two Dimensional ◽  
Chlorine Substitution ◽  
Low Band Gap Polymers

The chlorination and side-chain extension of benzothiadiazole derivatives can finely manipulate the open-circuit voltage in their solar cells.

Influence of the donor/acceptor interface on the open-circuit voltage in organic solar cells

2009 ◽  
Vol 95 (9) ◽  
pp. 093307 ◽  
Author(s):  
Z. T. Liu ◽  
M. F. Lo ◽  
H. B. Wang ◽  
T. W. Ng ◽  
V. A. L. Roy ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
Donor Acceptor

Manipulation of the Open-Circuit Voltage of Organic Solar Cells by Desymmetrization of the Structure of Acceptor-Donor-Acceptor Molecules

2011 ◽  
Vol 21 (22) ◽  
pp. 4379-4387 ◽  
Author(s):  
Dora Demeter ◽  
Theodulf Rousseau ◽  
Philippe Leriche ◽  
Thomas Cauchy ◽  
Riccardo Po ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
Donor Acceptor ◽  
Acceptor Molecules

Importance of interfacial crystallinity to reduce open-circuit voltage loss in organic solar cells

2019 ◽  
Vol 115 (15) ◽  
pp. 153301 ◽  
Author(s):  
Seiichiro Izawa ◽  
Naoto Shintaku ◽  
Mitsuru Kikuchi ◽  
Masahiro Hiramoto
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
Voltage Loss

scholarly journals Facile synthesis and photovoltaic applications of a new alkylated bismethano fullerene as electron acceptor for high open circuit voltage solar cells

RSC Advances ◽  
2015 ◽  
Vol 5 (79) ◽  
pp. 64724-64730 ◽  
Author(s):  
Derya Baran ◽  
Sule Erten-Ela ◽  
Andreas Kratzer ◽  
Tayebeh Ameri ◽  
Christoph J. Brabec ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Acceptor ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
Facile Synthesis ◽  
Photovoltaic Applications ◽  
Lumo Level

In this work, a bis-adduct C60 derivative was facilely synthesized using an alkyl solubilizing group. This semiconductor offers a higher LUMO level compared to PCBM, which resulted in a significantly enhanced Voc of 0.73 V in organic solar cells.

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