Volume 115, Number 3, August 2016
|Number of page(s)||4|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||02 September 2016|
Glucose-assisted reduction achieved transparent p-type cuprous oxide thin film by a solution method
1 Faculty of Materials Science and Chemistry, China University of Geoscience - No. 388 Lumo Road, 430074 Wuhan, China
2 Department of Materials Science and Engineering, National University of Singapore - Blk EA, #03-09, 9 Engineering Drive 1, 117575 Singapore, Singapore
3 Zhejiang Reasearch Institute, China University of Geosciences (Wuhan) - Road Qianwu, Street Qingshanhu, Linan, 311305 Hangzhou, China
Received: 13 April 2016
Accepted: 3 August 2016
The fabrication of p-type cuprous oxide thin film via a cheap and simple chemical method has been known as challenging. We first find that glucose can assist reduce Cu to a lower valence state in the preparation of cuprous oxide films by the sol-gel method. By first adding glucose in the sol as reducing agent, oxidation from the oxygen in the environment is limited and transparent p-type cuprous oxide films are eventually achieved under optimized experimental conditions. We have developed a p-type cuprous oxide thin film with an optimal Hall mobility of ∼8 cm2/Vs and an optical transmittance of 78%.
PACS: 73.50.-h – Electronic transport phenomena in thin films / 73.61.-r – Electrical properties of specific thin films
© EPLA, 2016
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