Additional coating effects on textured ZnO : Al thin films as transparent conducting oxides for thin‐film Si solar cells | Zendy

Moon Taeho | Zendy; Jun Jin Hyung | Zendy; Lee Hyun | Zendy; Yoon Wonki | Zendy; Kim Soohyun | Zendy; Lee ByungKee | Zendy; Lee HongCheol | Zendy; Kim Wooyoung | Zendy; Ahn SehWon | Zendy; Lee Sungeun | Zendy; Lee HeonMin | Zendy

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Additional coating effects on textured ZnO : Al thin films as transparent conducting oxides for thin‐film Si solar cells

Author(s) -

Moon Taeho,

Jun Jin Hyung,

Lee Hyun,

Yoon Wonki,

Kim Soohyun,

Lee ByungKee,

Lee HongCheol,

Kim Wooyoung,

Ahn SehWon,

Lee Sungeun,

Lee HeonMin

Publication year - 2012

Publication title -

progress in photovoltaics: research and applications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.286

H-Index - 131

eISSN - 1099-159X

pISSN - 1062-7995

DOI - 10.1002/pip.1137

Subject(s) - materials science , coating , layer (electronics) , thin film , etching (microfabrication) , solar cell , optoelectronics , oxide , quantum efficiency , nanotechnology , chemical engineering , metallurgy , engineering

ZnO : Al films were additionally deposited on textured transparent conducting oxide thin films to improve the surface morphologies formed in the etching process. The efficiency of the µc‐Si : H cell was enhanced from 7.0% (uncoated) to 8.0% (150‐nm‐coated) because of the additional coating. The quantum efficiency evaluation with a reverse bias voltage showed that the additional coating suppressed the carrier recombination problem. To systematically analyze the change of the i‐layer quality, the changes of ( μτ ) eff and fill factor ( FF ) were analyzed using a variable illumination measurement technique, and the results clearly confirmed the enhancement of i‐layer quality due to the additional coating. Copyright © 2011 John Wiley & Sons, Ltd.

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