Properties of fluorine and tin co-doped ZnO thin films deposited by sol-gel method

被引：64

作者：

Pan, Zhanchang ^{[1
]}

Zhang, Pengwei ^{[1
]}

Tian, Xinlong ^{[1
]}

Cheng, Guo ^{[1
]}

Xie, Yinghao ^{[1
]}

Zhang, Huangchu ^{[2
]}

Zeng, Xiangfu ^{[2
]}

Xiao, Chumin ^{[1
]}

Hu, Guanghui ^{[1
]}

Wei, Zhigang ^{[1
]}

机构：

[1] Guangdong Univ Technol, Sch Chem Engn & Light Ind, Guangzhou 510006, Guangdong, Peoples R China

[2] Victory Giant Technol Hui Zhou Co Ltd, Huizhou 516083, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2013年 / 576卷

基金：

中国国家自然科学基金;

关键词：

F-Sn co-doped ZnO; Various F concentrations; HRTEM; Optical bandgap; Sol-gel processes; OPTICAL-PROPERTIES; ZINC-OXIDE; TRANSPARENT; PHOTOLUMINESCENCE; AL; NANOSTRUCTURES; TEMPERATURE; NANOWIRES; SUBSTRATE; NANORODS;

D O I：

10.1016/j.jallcom.2013.04.132

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Highly transparent and conducting fluorine (F) and tin (Sn) co-doped ZnO (FTZO) thin films were deposited on glass substrates by the sol-gel processing. The structure and morphology of the films are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and high resolution transmission electron microscopy (HRTEM) with various F doping concentrations. SEM images showed that the hexagonal ZnO crystals were well-arranged on the glass substrates and the HRTEM images indicated that the individual nanocrystals are highly oriented and exhibited a perfect lattice structure. Owing to its high carrier concentration and mobility, as well as good crystal quality, a minimum resistivity of 1 x 10(-3) - Omega cm was obtained from the FTZO thin film with 3% F doping, and the average optical transmittance in the entire visible wavelength region was higher than 90%. The X-ray photoelectron spectroscopy (XPS) study confirmed the substitution of Zn2+ by Sn ions and Room temperature photoluminescence (PL) observed for pure and FTZO thin films suggested the films exhibit a good crystallinity with a very low defect concentration. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：31 / 37

页数：7

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