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使用溶剂工程化空穴选择性层间来提高体异质结聚合物太阳能电池的空气稳定性和性能

Improving Air-Stability and Performance of Bulk Heterojunction Polymer Solar Cells Using Solvent Engineered Hole Selective Interlayer.

作者信息

Xu Binrui, Sai-Anand Gopalan, Jeong Hyun-Min, Kim Sae-Wan, Kim Ju-Seong, Kwon Jin-Beom, Kang Shin-Won

机构信息

School of Electronics Engineering, College of IT Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu 41566, Korea.

Global Innovative Center for Advanced Nanomaterials, Faculty of Engineering and Built Environment, University of Newcastle, Callaghan Campus, New South Wales 2298, Australia.

出版信息

Materials (Basel). 2018 Jul 5;11(7):1143. doi: 10.3390/ma11071143.

DOI:10.3390/ma11071143
PMID:29976901
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6073352/
Abstract

In bulk heterojunction polymer solar cells (BHJ-PSCs), poly(3,4-ethylenedioxythiophene) doped with poly(styrene sulfonate) (PEDOT:PSS) is the most commonly used hole selective interlayer (HSIL). However, its acidity, hygroscopic nature, and the use of indium tin oxide (ITO) etching can degrade the overall photovoltaic performance and the air-stability of BHJ-PSCs. Solvent engineering is considered as a facile approach to overcome these issues. In this work, we engineered the HSIL using ethanol (ET) treated PEDOT:PSS to simultaneously enhance the photovoltaic performance properties and air-stability of the fabricated devices. We systematically investigated the influence of ET on the microstructural, morphological, interfacial characteristics of modified HSIL and photovoltaic characteristics of BHJ-PSCs. Compared with the BHJ-PSC with pristine PEDOT:PSS, a significant enhancement of power conversion efficiency (~17%) was witnessed for the BHJ-PSC with PEDOT:PSS-ET (/, 1:0.5). Consequently, the BHJ-PSC with PEDOT:PSS-ET (/, 1:0.5) as HSIL exhibited remarkably improved air-stability.

摘要

在体异质结聚合物太阳能电池（BHJ-PSC）中，掺杂聚（苯乙烯磺酸盐）的聚（3,4-乙撑二氧噻吩）（PEDOT:PSS）是最常用的空穴选择性层（HSIL）。然而，其酸性、吸湿性以及对氧化铟锡（ITO）的蚀刻作用会降低BHJ-PSC的整体光伏性能和空气稳定性。溶剂工程被认为是克服这些问题的简便方法。在这项工作中，我们使用乙醇（ET）处理的PEDOT:PSS对HSIL进行了工程设计，以同时提高所制备器件的光伏性能和空气稳定性。我们系统地研究了ET对改性HSIL的微观结构、形态、界面特性以及BHJ-PSC光伏特性的影响。与使用原始PEDOT:PSS的BHJ-PSC相比，使用PEDOT:PSS-ET（/, 1:0.5）的BHJ-PSC的功率转换效率显著提高（约17%）。因此，以PEDOT:PSS-ET（/, 1:0.5）作为HSIL的BHJ-PSC表现出显著改善的空气稳定性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/db461bf6d936/materials-11-01143-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/d185d9bffef6/materials-11-01143-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/89aad47fce45/materials-11-01143-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/cde4c364d14a/materials-11-01143-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/7987f27b49cc/materials-11-01143-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/d49594021aef/materials-11-01143-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/d7a909b9b31b/materials-11-01143-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/db461bf6d936/materials-11-01143-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/d185d9bffef6/materials-11-01143-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/89aad47fce45/materials-11-01143-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/cde4c364d14a/materials-11-01143-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/7987f27b49cc/materials-11-01143-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/d49594021aef/materials-11-01143-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/d7a909b9b31b/materials-11-01143-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91a6/6073352/db461bf6d936/materials-11-01143-g006.jpg

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