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

来源：

ORGANIC ELECTRONICS | 2016年 / 34卷

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

页码：67 / 74

页数：8

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