Effect of Band Bending and Energy Level Alignment at the Donor/Acceptor Interface on Open-Circuit Voltage in Organic Solar Cells

2018 ◽  
Vol 9 (11) ◽  
pp. 2914-2918 ◽  
Author(s):  
Seiichiro Izawa ◽  
Naoto Shintaku ◽  
Masahiro Hiramoto
Keyword(s):  
Solar Cells ◽  
Energy Level ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Open Circuit ◽  
Band Bending ◽  
Energy Level Alignment ◽  
Donor Acceptor

Energy level alignment in polymer organic solar cells at donor-acceptor planar junction formed by electrospray vacuum deposition

2014 ◽  
Vol 104 (16) ◽  
pp. 163303 ◽  
Author(s):  
Ji-Hoon Kim ◽  
Jong-Am Hong ◽  
Dae-Gyeon Kwon ◽  
Jaewon Seo ◽  
Yongsup Park
Keyword(s):  
Solar Cells ◽  
Energy Level ◽  
Organic Solar Cells ◽  
Vacuum Deposition ◽  
Energy Level Alignment ◽  
Donor Acceptor ◽  
Planar Junction

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

HOMO energy level regulation of novel conjugated copolymers for polymer solar cells

2015 ◽  
Vol 39 (8) ◽  
pp. 6548-6554 ◽  
Author(s):  
Jianfeng Zhang ◽  
Sheyu Wang ◽  
Qida Liu ◽  
Zhiyang Liu ◽  
Ruixiang Peng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Level ◽  
Open Circuit Voltage ◽  
Polymer Solar Cells ◽  
Open Circuit ◽  
Spectral Absorption ◽  
Homo Energy ◽  
Donor Acceptor ◽  
Homo Energy Level ◽  
Conjugated Copolymers

Novel donor–acceptor conjugated copolymers were synthesized, and the HOMOs were regulated to high open circuit voltage and wide spectral absorption.

scholarly journals Precise fluorination of polymeric donors towards efficient non-fullerene organic solar cells with enhanced open circuit voltage, short circuit current and fill factor

2021 ◽  
Author(s):  
Xiaosha Wang ◽  
Honggang Chen ◽  
Jun Yuan ◽  
Qingya Wei ◽  
Jing Li ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Level ◽  
Organic Solar Cells ◽  
Fill Factor ◽  
Open Circuit Voltage ◽  
Short Circuit ◽  
Short Circuit Current ◽  
Open Circuit ◽  
Chemical Structures ◽  
Similar Chemical

Three polymer donors named Qx-8F, Qx-10F, and Qx-12F, with similar chemical structures, was synthesized. The energy level of these donors is manipulated by precisely controlling the fluorination sites. We demonstrate...

Design of single-porphyrin donors toward high open-circuit voltage for organic solar cells via an energy level gradient-distribution screening strategy of fragments: a theoretical study

2020 ◽  
Vol 22 (7) ◽  
pp. 4015-4022 ◽  
Author(s):  
Li-Na Wu ◽  
Ming-Yue Sui ◽  
Song Xiao ◽  
Yu-Zhong Xie ◽  
Guang-Yan Sun
Keyword(s):  
Solar Cells ◽  
Energy Level ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Theoretical Study ◽  
Screening Strategy ◽  
Open Circuit ◽  
Gradient Distribution ◽  
Homo Level

The energy level gradient-distribution screening strategy of fragments is an effective way to reduce the HOMO level and increase VOC.

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
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