Metal-electrode-free inverted organic photovoltaics using electrospray-deposited PEDOT:PSS and spin-coated HAT-CN exciton blocking layer

被引：6

作者：

Lee, Hyunchan ^{[1
]}

Park, Sohyun ^{[1
]}

Cho, Il-Wook ^{[1
]}

Ryu, Mee-Yi ^{[1
]}

Kang, Donghee ^{[2
,3
]}

Yi, Yeonjin ^{[2
,3
]}

Lee, Hyunbok ^{[1
]}

机构：

[1] Kangwon Natl Univ, Dept Phys, 1 Gangwondaehak Gil, Chuncheon Si 24341, Gcmgwon Do, South Korea

[2] Yonsei Univ, Inst Phys & Appl Phys, 50 Yonsei Ro, Seoul 03722, South Korea

[3] Yonsei Univ, Van der Waals Mat Res Ctr, 50 Yonsei Ro, Seoul 03722, South Korea

来源：

CURRENT APPLIED PHYSICS | 2020年 / 20卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

Electrospray; PEDOT:PSS; HAT-CN; Organic photovoltaics; ENERGY-LEVEL ALIGNMENT; SOLAR-CELLS; SPRAY DEPOSITION; ENHANCEMENT; PERFORMANCE; OPTIMIZATION; INTERFACE; BLEND; FILMS; PSS;

D O I：

10.1016/j.cap.2019.11.013

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Poly(3,4-ethylenedioxythiophene)-poly(styrene sulfonate) (PEDOT:PSS) films were fabricated using an electrospray deposition (ESD) method. The ESD PEDOT:PSS films exhibited higher PSS content on the surface than spin-coated PEDOT:PSS films, which results in a higher work function. Based on this result, metal-electrode-free inverted organic photovoltaics (OPVs) were fabricated. The ESD PEDOT:PSS was used as the top electrode on the poly(3-hexythiophene-2,5-diyl) (P3HT): [6,6]-phenyl C-61 butyric acid methyl ester (PCBM) light-absorbing layer. The power conversion efficiency (PCE) of OPVs was significantly increased with the 1,4,5,8,9,11-hexaazatriphenylene hexacarbonitrile layer. The improved PCE would be attributed to the suppression of exciton quenching at the P3HT:PCBM and PEDOT:PSS interface.

引用

页码：277 / 281

页数：5

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