Enhanced efficiency and stability of nonfullerene ternary polymer solar cells based on a spontaneously assembled active layer: the role of a high mobility small molecular electron acceptor

2020 ◽  
Vol 8 (18) ◽  
pp. 6196-6202 ◽  
Author(s):  
Dou Luo ◽  
Ming Zhang ◽  
Jian-Bin Li ◽  
Zuo Xiao ◽  
Feng Liu ◽  
...  

Introducing a medium bandgap electron acceptor into the PTB7-Th:COi8DFIC solar cell increases both thermal stability and PCE without external treatments.

2020 ◽  
Vol 7 (1) ◽  
pp. 117-124 ◽  
Author(s):  
Yunlong Ma ◽  
Xiaobo Zhou ◽  
Dongdong Cai ◽  
Qisheng Tu ◽  
Wei Ma ◽  
...  

A simple small molecule of BTF is used as a third component in the binary blends of J71:ITIC and PM6:Y6 to achieve efficient ternary polymer solar cells with enhanced PCEs of 12.35% and 16.53%, respectively.


2020 ◽  
Vol 77 ◽  
pp. 105530
Author(s):  
Yuanxun Zhang ◽  
Xiaochen Liu ◽  
Huimin Gu ◽  
Lingpeng Yan ◽  
Hongwei Tan ◽  
...  

2020 ◽  
Vol 8 (24) ◽  
pp. 8191-8198
Author(s):  
Ritesh Kant Gupta ◽  
Rabindranath Garai ◽  
Mohammad Adil Afroz ◽  
Parameswar Krishnan Iyer

Fabrication of high performance polymer solar cells through the hot-casting technique, which modulates the thickness and roughness of the active layer and also the carrier mobility of the solar cell devices.


2020 ◽  
Vol 8 (32) ◽  
pp. 11223-11238 ◽  
Author(s):  
Pan Yin ◽  
Linqiao Wang ◽  
Jingtang Liang ◽  
Yufu Yu ◽  
Li Chen ◽  
...  

A small-molecule/fullerene acceptor alloy improved the PCE and stability of PBDB-T/PC71BM/IDT-OT ternary PSCs.


2018 ◽  
Vol 6 (41) ◽  
pp. 20313-20326 ◽  
Author(s):  
Pan Yin ◽  
Tao Zheng ◽  
Yue Wu ◽  
Gangjian Liu ◽  
Zhi-Guo Zhang ◽  
...  

A ternary PSC was constructed and exhibited a high PCE of 10.41% with a thicker film and a large area.


2013 ◽  
Vol 842 ◽  
pp. 43-51
Author(s):  
Yang Ming Lu ◽  
Yu Fan Wu ◽  
Lien Chung Hsu

The poly (3-hexylthiophene) (P3HT) is a promising candidate material for using in polymer solar cells researches due to its good absorbance and stability. In this study, we present the electro-optical performance of organic polymer solar cells based on P3HT: [6,-phenyl-C61-butyric acid methyl ester (PCBM) with weight ratio of 1:1. We added ZnO nanoparticles into the blending of P3HT and PCBM to improve the performance of polymer solar cells. ZnO nanoparticles are very promising inorganic metal oxides for use in organic solar cells because of its low cost, nontoxicity, high reflectance and good electron transport properties. The morphology of polymer solar cell was improved due to the additional of ZnO nanoparticles. The effects of thermal annealing on the solar cell had been studied. The post-annealing shows significant improvement in the performance for solar cell. How to prevent ZnO nanoparticles to agglomerate is essential as they are added to the active layer of the solar cell. Well dispersed ZnO nanoparticles are obtained by using the methanol solvent. The best performances of the solar cell with short-circuit current density of 14.66 mW/cm2 and efficiency of 3.92% can be obtained after post-annealed with well being dispersed 1.3wt% ZnO nanoparticles in the active layer.


2017 ◽  
Vol 5 (42) ◽  
pp. 10985-10990 ◽  
Author(s):  
Rui Fan ◽  
Zhaoxiang Huai ◽  
Yansheng Sun ◽  
Xiaowei Li ◽  
Guangsheng Fu ◽  
...  

A fluorescence inhibitor 1-bromo-4-nitrobenzene was introduced into the PTB7-Th:PC71BM active layer to prepare an organic solar cell that exhibited a high PCE of 8.95%.


2018 ◽  
Vol 271 ◽  
pp. 106-111
Author(s):  
Jun Ning ◽  
Ming Ming Bao ◽  
Lian Hong ◽  
Hasichaolu ◽  
Bolag Altan ◽  
...  

Research on polymer solar cells has attracted increasing attention in the past few decades due to the advantages such as low cost of fabrication, ease of processing, mechanical flexibility, etc. In recent years, non-fullerene polymer solar cells are extensively studied, because of the reduced voltage losses, and the tunability of absorption spectra and molecular energy level of non-fullerene acceptors. In this work, polymer solar cells based on conjugated polymer (PBDB-T: poly [(2,6-(4,8-bis (5-(2-ethylhexyl) thiophen-2-yl)-benzo [1,2-b:4,5-b’] dithiophene))-alt-(5,5-(1’,3’-di-2-thienyl-5’,7’-bis (2-ethylhexyl) benzo [1’,2’-c:4’,5’-c’] dithiophene-4,8-dione))]) and non-fullerene electron acceptor (ITIC: 3,9-bis (2-methylene-(3-(1,1-dicyanomethylene)-indanone)) -5,5,11,11-tetrakis (4-hexylphenyl)-dithieno [2,3-d:2’,3’-d’]-s-indaceno [1,2-b:5,6-b’] dithiophene) were prepared by means of spin-coating method, and the influence of the active layer thickness on the device performance was investigated. PBDB-T: ITIC active layers with different thickness were prepared through varying spin coating speed. It was found that the solar cell performance is best when the active layer thickness is 100 nm, corresponding to the spin coating speed of 2000 rpm. Maximum power conversion efficiency of 7.25% with fill factor of 65%, open circuit voltage of 0.85 V and short circuit current density of 13.02 Am/cm2 was obtained.


Sign in / Sign up

Export Citation Format

Share Document