Electron-beam-induced reduced graphene oxide as an alternative hole-transporting interfacial layer for high-performance and reliable polymer solar cells

被引:22
作者
Kwon, Sung-Nam [1 ]
Jung, Chan-Hee [2 ]
Na, Seok-In [1 ]
机构
[1] Chonbuk Natl Univ, Profess Grad Sch Flexible & Printable Elect, Polymer Mat Fusion Res Ctr, 567 Baekje Daero, Jeonju Si 54896, Jeollabuk Do, South Korea
[2] Korea Atom Energy Res Inst, Adv Radiat Technol Inst, Res Div Ind & Environm, 29 Geumgu Gil, Jeongeup Si 56212, Jeollabuk Do, South Korea
基金
新加坡国家研究基金会;
关键词
Polymer solar cells; Interfacial layer; Reduced graphene oxide; Electron-beam irradiation; High-performance; Stability; ORGANIC PHOTOVOLTAIC CELLS; WORK FUNCTION; GRAPHITE OXIDE; FUNCTIONALIZED GRAPHENE; CHEMICAL-REDUCTION; EXTRACTION LAYERS; DONOR POLYMER; EFFICIENT; FILMS; TRANSPARENT;
D O I
10.1016/j.orgel.2016.04.008
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We demonstrate an eco-friendly, simple, and cost-effective method for manufacturing reduced graphene oxide (GO) induced with electron-beam irradiation, and we investigate the feasibility of the electronbeam-induced reduced GO (ERGO) as a hole-transporting interfacial layer in polymer solar cells (PSCs). In addition, the chemical composition, conductivity, work-function, and morphology of ERGOs with various absorbed doses were systematically investigated. The analytical results revealed that the reduced GO (RGO) was successfully prepared using electron-beam irradiation, and the electrical conductivity of ERGO was increased (up to 18.3 S/cm) with increasing the amount of absorbed dose. The PSCs with the ERGO as a hole-transporting interfacial layer exhibited comparable cell performance (3.52 +/- 0.08% of power conversion efficiency) to that of the conventional PSCs with the poly(3,4-ethylenedioxythiophene): polystyrene sulfonate (PEDOT:PSS), and they had better stability than the PEDOT:PSS-based PSCs. From the results, we confirmed that electron-beam irradiation is an effective approach to prepare the RGO, and the ERGO was preferable to the PEDOT:PSS for high-performance and stable PSCs. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:67 / 74
页数:8
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