scholarly journals High-efficiency photovoltaic cells with wide optical band gap polymers based on fluorinated phenylene-alkoxybenzothiadiazole

2017 ◽  
Vol 10 (6) ◽  
pp. 1443-1455 ◽  
Author(s):  
Seo-Jin Ko ◽  
Quoc Viet Hoang ◽  
Chang Eun Song ◽  
Mohammad Afsar Uddin ◽  
Eunhee Lim ◽  
...  
Keyword(s):  
Solar Cells ◽  
Band Gap ◽  
High Performance ◽  
Optical Band Gap ◽  
High Efficiency ◽  
Bulk Heterojunction ◽  
Polymer Solar Cells ◽  
Photovoltaic Cells ◽  
Wide Band ◽  
Wide Band Gap

A new series of wide band gap photovoltaic polymers based on a fluorinated phenylene-alkoxybenzothiadiazole unit with an optical band gap of over 1.90 eV are designed and utilized for high-performance single- and multi-junction bulk heterojunction polymer solar cells.

A wide band gap polymer based on indacenodithieno[3,2-b]thiophene for high-performance bulk heterojunction polymer solar cells

2017 ◽  
Vol 5 (2) ◽  
pp. 712-719 ◽  
Author(s):  
Woosung Lee ◽  
Jae Woong Jung
Keyword(s):  
Solar Cells ◽  
Band Gap ◽  
High Performance ◽  
Bulk Heterojunction ◽  
Polymer Solar Cells ◽  
Power Conversion ◽  
Wide Band ◽  
Wide Band Gap ◽  
Conversion Efficiencies

A novel wide band gap polymer (PIDTT-TT) has been synthesized to use in efficient polymer solar cells with power conversion efficiencies up to 7.10%.

scholarly journals Molecular Engineering Enhances the Charge Carriers Transport in Wide Band-Gap Polymer Donors Based Polymer Solar Cells

Molecules ◽  
2020 ◽  
Vol 25 (18) ◽  
pp. 4101
Author(s):  
Siyang Liu ◽  
Shuwang Yi ◽  
Peiling Qing ◽  
Weijun Li ◽  
Bin Gu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Band Gap ◽  
High Efficiency ◽  
Polymer Solar Cells ◽  
Acid Methyl Ester ◽  
Wide Band ◽  
Molecular Engineering ◽  
Wide Band Gap ◽  
Photovoltaic Properties ◽  
Solvent Vapor

The novel and appropriate molecular design for polymer donors are playing an important role in realizing high-efficiency and high stable polymer solar cells (PSCs). In this work, four conjugated polymers (PIDT-O, PIDTT-O, PIDT-S and PIDTT-S) with indacenodithiophene (IDT) and indacenodithieno [3,2-b]thiophene (IDTT) as the donor units, and alkoxy-substituted benzoxadiazole and benzothiadiazole derivatives as the acceptor units have been designed and synthesized. Taking advantages of the molecular engineering on polymer backbones, these four polymers showed differently photophysical and photovoltaic properties. They exhibited wide optical bandgaps of 1.88, 1.87, 1.89 and 1.91 eV and quite impressive hole mobilities of 6.01 × 10−4, 7.72 × 10−4, 1.83 × 10−3, and 1.29 × 10−3 cm2 V−1 s−1 for PIDT-O, PIDTT-O, PIDT-S and PIDTT-S, respectively. Through the photovoltaic test via using PIDT-O, PIDTT-O, PIDT-S and PIDTT-S as donor materials and [6,6]-phenyl-C-71-butyric acid methyl ester (PC71BM) as acceptor materials, all the PSCs presented the high open circuit voltages (Vocs) over 0.85 V, whereas the PIDT-S and PIDTT-S based devices showed higher power conversion efficiencies (PCEs) of 5.09% and 4.43%, respectively. Interestingly, the solvent vapor annealing (SVA) treatment on active layers could improve the fill factors (FFs) extensively for these four polymers. For PIDT-S and PIDTT-S, the SVA process improved the FFs exceeding 71%, and ultimately the PCEs were increased to 6.05%, and 6.12%, respectively. Therefore, this kind of wide band-gap polymers are potentially candidates as efficient electron-donating materials for constructing high-performance PSCs.

A universal nonfullerene electron acceptor matching with different band-gap polymer donors for high-performance polymer solar cells

2018 ◽  
Vol 6 (16) ◽  
pp. 6874-6881 ◽  
Author(s):  
Zhenghui Luo ◽  
Guanghao Li ◽  
Wei Gao ◽  
Kailong Wu ◽  
Zhi-Guo Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Band Gap ◽  
Electron Acceptor ◽  
High Performance ◽  
Polymer Solar Cells ◽  
Wide Band ◽  
Wide Band Gap ◽  
Low Band Gap ◽  
High Performance Polymer ◽  
Medium Band

A new nonfullerene electron acceptor of m-MeIC was designed and synthesized, which is effective with different band-gap polymer donors, including wide band-gap J71, medium band-gap PBDB-T and low band-gap PCE-10.

1,8-Naphthalimide-based nonfullerene acceptors for wide optical band gap polymer solar cells with an ultrathin active layer thickness of 35 nm

2016 ◽  
Vol 4 (24) ◽  
pp. 5656-5663 ◽  
Author(s):  
Jicheng Zhang ◽  
Hongmei Xiao ◽  
Xuejuan Zhang ◽  
Yang Wu ◽  
Guangwu Li ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Band Gap ◽  
Layer Thickness ◽  
Active Layer ◽  
Optical Band Gap ◽  
Polymer Solar Cells ◽  
Wide Band ◽  
Active Layer Thickness ◽  
Wide Band Gap

To reduce energy loss, planar acceptors with high LUMO levels were synthesized for wide-band-gap-polymer solar cells. A PCE of 4.05% was obtained with an active layer thickness of 35 nm and a transmittance of 76.1%.

A Highly Crystalline Wide-Band-Gap Conjugated Polymer toward High-Performance As-Cast Nonfullerene Polymer Solar Cells

2017 ◽  
Vol 9 (41) ◽  
pp. 36061-36069 ◽  
Author(s):  
Haiying Jiang ◽  
Zhen Wang ◽  
Lianjie Zhang ◽  
Anxing Zhong ◽  
Xuncheng Liu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Band Gap ◽  
Conjugated Polymer ◽  
High Performance ◽  
Polymer Solar Cells ◽  
Wide Band ◽  
Wide Band Gap

4-Alkyl-3,5-difluorophenyl-Substituted Benzodithiophene-Based Wide Band Gap Polymers for High-Efficiency Polymer Solar Cells

2015 ◽  
Vol 8 (6) ◽  
pp. 3686-3692 ◽  
Author(s):  
Guangwu Li ◽  
Xue Gong ◽  
Jicheng Zhang ◽  
Yahui Liu ◽  
Shiyu Feng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Band Gap ◽  
High Efficiency ◽  
Polymer Solar Cells ◽  
Wide Band ◽  
Wide Band Gap

High-Efficiency Lead-Free Wide Band Gap Perovskite Solar Cells via Guanidinium Bromide Incorporation

2021 ◽  
Author(s):  
Mengmeng Chen ◽  
Muhammad Akmal Kamarudin ◽  
Ajay K. Baranwal ◽  
Gaurav Kapil ◽  
Teresa S. Ripolles ◽  
...  
Keyword(s):  
Solar Cells ◽  
Band Gap ◽  
High Efficiency ◽  
Perovskite Solar Cells ◽  
Wide Band ◽  
Lead Free ◽  
Wide Band Gap

Highly Efficient All-Polymer Solar Cells from a Dithieno[3,2-f:2′,3′-h]quinoxaline-Based Wide Band Gap Donor

2021 ◽  
Author(s):  
Tingxing Zhao ◽  
Congcong Cao ◽  
Hengtao Wang ◽  
Xiangyu Shen ◽  
Hanjian Lai ◽  
...  
Keyword(s):  
Solar Cells ◽  
Band Gap ◽  
Polymer Solar Cells ◽  
Wide Band ◽  
Wide Band Gap ◽  
Highly Efficient

scholarly journals Synthesis, optoelectronic properties and photovoltaic performances of wide band-gap copolymers based on dibenzosilole and quinoxaline units, rivals to P3HT

2016 ◽  
Vol 7 (25) ◽  
pp. 4160-4175 ◽  
Author(s):  
F. Caffy ◽  
N. Delbosc ◽  
P. Chávez ◽  
P. Lévêque ◽  
J. Faure-Vincent ◽  
...  
Keyword(s):  
Solar Cells ◽  
Band Gap ◽  
Bulk Heterojunction ◽  
Power Conversion ◽  
Wide Band ◽  
Optoelectronic Properties ◽  
Wide Band Gap ◽  
Heterojunction Solar Cells ◽  
Bulk Heterojunction Solar Cells ◽  
Conversion Efficiencies

Dibenzosilole and quinoxaline based copolymers were synthesized and tested in bulk-heterojunction solar cells showing power conversion efficiencies up to 5.14%.

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