A narrow band gap non-fullerene electron acceptor based on a dithieno-3,2-<i>b</i>:2′,3′-dlpyrrole unit for high performance organic solar cells with minimal highest occupied molecular orbital offset-Reference-Cited by-同舟云学术

A narrow band gap non-fullerene electron acceptor based on a dithieno-3,2-b:2′,3′-dlpyrrole unit for high performance organic solar cells with minimal highest occupied molecular orbital offset

Published:2023 Issue:21 Volume:13 Page:14703-14711
ISSN:2046-2069
Container-title:RSC Advances
language:en
Short-container-title:RSC Adv.

Author:

Zeng Guang¹,Li Hanming¹,Tan Fang²,Xin Yue³^ORCID,Zhang Shengdong¹

Affiliation:

1. School of Electronic and Computer Engineering, Peking University Shenzhen Graduate School, Shenzhen, 518055, P. R. China

2. Shenzhen China Star Optoelectronics Semiconductor Display Technology Company Ltd, Shenzhen, 518132, P. R. China

3. School of Applied Physics and Materials, Wuyi University, 22 Dongcheng village, Jiangmen, 529020, P. R. China

Abstract

A new narrow band gap acceptor based on a dithieno-3,2-b:2',3'-dlpyrrole unit was synthesized. By blending a polymer PBTIBDTT with a small HOMO offset of 0.02 eV, the device gave a high PCE of 11.25% with a relatively high Voc of 0.83 V.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2023/RA/D3RA01021J

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4. Realizing Ultrahigh Mechanical Flexibility and >15% Efficiency of Flexible Organic Solar Cells via a “Welding” Flexible Transparent Electrode

5. Porphyrin-Based All-Small-Molecule Organic Solar Cells With Absorption-Complementary Nonfullerene Acceptor