Regulation of the Miscibility of the Active Layer by Random Terpolymer Acceptors to Realize High-Performance All-Polymer Solar Cells

2021 ◽  
Vol 3 (4) ◽  
pp. 1923-1931
Author(s):  
Dong Chen ◽  
Siqi Liu ◽  
Jinliang Liu ◽  
Jihui Han ◽  
Lie Chen ◽  
...  
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.


2015 ◽  
Vol 3 (40) ◽  
pp. 20195-20200 ◽  
Author(s):  
Xue Gong ◽  
Guangwu Li ◽  
Cuihong Li ◽  
Jicheng Zhang ◽  
Zhishan Bo

New benzothiadiazole based conjugated polymers have been synthesized as donor materials for high efficiency polymer solar cells with a thick active layer.


2019 ◽  
Vol 7 (4) ◽  
pp. 1429-1434 ◽  
Author(s):  
Nannan Zheng ◽  
Zhenfeng Wang ◽  
Kai Zhang ◽  
Yuan Li ◽  
Fei Huang ◽  
...  

Efficient inverted polymer solar cells are fabricated via one-step coating of mixture of a n-type small molecule and active layer.


2015 ◽  
Vol 74 ◽  
pp. 11-17 ◽  
Author(s):  
Ziyang Hu ◽  
Jianjun Zhang ◽  
Like Huang ◽  
Jingyang Sun ◽  
Ting Zhang ◽  
...  

Materials ◽  
2021 ◽  
Vol 14 (12) ◽  
pp. 3206
Author(s):  
Hailiang Liu ◽  
Sajjad Hussain ◽  
Jehoon Lee ◽  
Dhanasekaran Vikraman ◽  
Jungwon Kang

Two-dimensional (2D) tungsten diselenide (WSe2) has attracted considerable attention in the field of photovoltaic devices owing to its excellent structure and photoelectric properties, such as ordered 2D network structure, high electrical conductivity, and high mobility. For this test, we firstly prepared different sizes (NS1–NS3) of WSe2 nanosheets (NSs) through the ultrasonication method and characterized their structures using the field emission scanning electron microscope (FE-SEM), Raman spectroscopy, and X-ray powder diffraction. Moreover, we investigated the photovoltaic performance of polymer solar cells based on 5,7-Bis(2-ethylhexyl)benzo[1,2-c:4,5-c′]dithiophene-4,8-dione(PBDB-T):(6,6)-phenyl-C71 butyric acid methyl ester (PCBM) with different WSe2 NSs as the active layer. The fabricated PBDB-T:PCBM active layer with the addition of NS2 WSe2 NSs (1.5 wt%) exhibited an improved power conversion efficiency (PCE) of 9.2%, which is higher than the pure and NS1 and NS3 WSe2 blended active layer-encompassing devices. The improved PCE is attributed to the synergic enhancement of exciton dissociation and an improvement in the charge mobility through the modified active layer for polymer solar cells. Furthermore, the highest sensitivity of 2.97 mA/Gy·cm2 was achieved for the NS2 WSe2 NSs blended active layer detected by X-ray exposure over the pure polymer, and with the NS1 and NS2 WSe2 blended active layer. These results led to the use of transition metal dichalcogenide materials in polymer solar cells and X-ray detectors.


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