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Optical and electrical properties of ZnO thin films synthesized by sol-gel method for the application in three-dimensional junction photovoltaics

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4 Author(s)
Woosuk Jun ; School of Display and Chemical Engineering, Yeungnam University, Gyeongsan 712-749, Republic of Korea ; Hong Tak Kim ; Dongwook Kim ; Chinho Park

In this study, we investigated the properties of ZnO nanostructures grown by a sol-gel method on glass substrates. First, the seed layer of ZnO were formed using zinc acetate dihydrate (Zn(CH3COOH)2·2H2O), 2-propanol (CH3CH2 CH2OH), and sodium hydroxide (NaOH) as precursor material, solvent and sol stabilizer, respectively. The three dimensional ZnO nanostructures were then grown by the CBD(Chemical Bath Deposition) process. The solution was composed of zinc nitrate hexahydrate (Zn(NO3)2·6H2O) and hexamine (C6H12N4). The properties of ZnO nanostructures were investigated by SEM, XRD, and UV-Vis-NIR. We found that the growth temperature and seed layer structure are important factors in controlling the structures of ZnO formed.

Published in:

Photovoltaic Specialists Conference (PVSC), 2009 34th IEEE

Date of Conference:

7-12 June 2009