Water/Alcohol-Soluble Conjugated Polymers Based on Cyclopentadithiophene and Fluorene as Cathode Interlayers Elevate the Stability and Efficiency in Organic Solar Cells

被引：5

作者：

Nie, Hebing ^{[1
,2
]}

Huang, Sheng-Ci ^{[1
,2
]}

Lai, Cheng-Yao ^{[1
,2
]}

Busireddy, Manohar Reddy ^{[1
,2
]}

Su, Yi-Jia ^{[1
,2
]}

Chen, Tsung-Wei ^{[1
,2
]}

Kuo, Pei-Jung ^{[1
,2
]}

Chen, Jiun-Tai ^{[1
,2
]}

Hsu, Chain-Shu ^{[1
,2
]}

机构：

[1] Natl Yang Ming Chiao Tung Univ, Dept Appl Chem, Hsinchu 30010, Taiwan

[2] Natl Yang Ming Chiao Tung Univ, Ctr Emergent Funct Matter Sci, Hsinchu 30010, Taiwan

来源：

ACS APPLIED ENERGY MATERIALS | 2022年 / 5卷 / 08期

关键词：

BHJ OSCs; cathode interfacial layer; conjugated polymer electrolytes; inverted device architecture; non-fullerene acceptors; INTERFACIAL LAYER; POLYELECTROLYTE INTERLAYERS; PERFORMANCE; NANOPARTICLES; ENHANCEMENT; DESIGN;

D O I：

10.1021/acsaem.2c01107

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In high-performance bulk heterojunction organic solar cells (BHJ OSCs), cathode interlayers (CILs) have been effective in enhancing the device stability and photovoltaic performance by reducing the electron traps of ZnO layers. In this work, three water/alcohol-soluble conjugated polyelectrolytes (CPEs), P2T-CDTNa, PC-CDTNa, and PNDIT-FNa, as cathode interlayers (CILs) are reported. The effect of these three CPEs is validated by using PBDB-T:ITIC and PM6:Y6 as photoactive blends. Compared with ZnO-only devices, all three ZnO/CPE-based devices demonstrate enhanced photovoltaic performances. Especially, the ZnO/P2T-CDTNa-based devices show impressive power conversion efficiencies (PCEs) of 9.93% (V-OC = 0.87 V, J(SC) = 16.56 mA/cm(2) , and FF = 69.04%) and 16.15% (V-OC = 0.84 V, J(SC) = 27.71 mA/cm(2) , and FF = 69.60%) for PBDB-T:ITIC and PM6:Y6 BHJ photoactive blends, respectively.

引用

页码：9495 / 9502

页数：8

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