Non-vacuum processed CuInSe2 thin films fabricated with a hybrid ink

被引：48

作者：

Cho, Ara ^{[1
,2
]}

Ahn, SeJin ^{[2
]}

Yun, Jae Ho ^{[2
]}

Gwak, Jihye ^{[2
]}

Ahn, Seung Kyu ^{[2
]}

Shin, Keeshik ^{[2
]}

Song, Hyunjoon ^{[1
]}

Yoon, Kyung Hoon ^{[2
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Chem, Taejon 305701, South Korea

[2] Korea Inst Energy Res, Photovolta Ctr, Taejon 305343, South Korea

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2013年 / 109卷

基金：

新加坡国家研究基金会;

关键词：

Solar cell; CIGS; Hybrid ink; Nanoparticles; Chelating agent; SOLAR-CELLS; ETHANOLAMINE; COPPER(II); CU; DEPOSITION; COMPLEXES; KINETICS; LAYERS;

D O I：

10.1016/j.solmat.2012.10.005

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

CuInSe2 (CIS) thin films were formed on a Mo-coated soda lime glass with a newly formulated hybrid ink composed of binary Cu2-xSe nanoparticles and an In precursor solution. The thin films were fabricated by the spin coating method and a subsequent selenization process, and the compositional and structural properties of the CIS thin films were characterized. Deposition of a hybrid ink provides the unique advantage of producing centers composed of pure material-based nanoparticles that can promote stress-relief and crack-deflection. Additionally, hybrid inks offer efficient binding with nanoparticles by using precursor solutions without other organic binders. Binary Cu2-xSe nanoparticles were synthesized by a low-temperature colloidal process, and an In precursor solution was prepared by using a non-toxic chelating agent for dispersing the In component stably. The band gap of the CIS thin film was measured to be 1.14 eV by the external quantum efficiency (EQE) technique, and the best conversion efficiency of the fabricated device was determined to be 4.19%. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：17 / 25

页数：9

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