Structural and optical properties of ZnO thin films with heavy Cu-doping prepared by magnetron co-sputtering

被引：23

作者：

Liu, Yong ^{[1
,2
]}

Liu, Haonan ^{[1
,2
]}

Yu, Yang ^{[1
,2
]}

Wang, Qing ^{[1
,2
]}

Li, Yinglan ^{[1
,2
]}

Wang, Zhi ^{[1
,2
]}

机构：

[1] Beijing Inst Technol, Minist Educ China, Key Lab Cluster Sci, Beijing, Peoples R China

[2] Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China

来源：

MATERIALS LETTERS | 2015年 / 143卷

基金：

中国国家自然科学基金;

关键词：

Sputtering; Thin films; ZnO; Cu-doping; Optical materials and properties; ROOM-TEMPERATURE;

D O I：

10.1016/j.matlet.2014.12.133

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Cu-doping can modulate the properties of ZnO thin films. Most previous researchers studied ZnO:Cu films with moderate doping level, while this work was focused on heavy Cu-doping (13-23.8%) effect on ZnO thin films prepared by magnetron co-sputtering. The microstructure and optical properties of the films were systematically investigated. The results show that moderate Cu-doping enhances the crystal grain size of the films, whereas heavy doping reduces it. The fluorescence quenching effect, the red shift phenomenon and the band gap narrowing effect in emission and absorption characteristics resulting from Cu-doping are more significant at heavy doping level. A promising band gap reduction of 0.64 eV was achieved at 23.8% doping level. (C) 2015 Elsevier B.V. All rights reserved.

引用

收藏

页码：319 / 321

页数：3

相关论文

共 16 条

[1] The effect of thermal annealing on photoelectrochemical responses of WO3 thin films [J].

Ahn, Kwang-Soon ;

Lee, Se-Hee ;

Dillon, Anne C. ;

Tracy, C. Edwin ;

Pitts, Roland .

JOURNAL OF APPLIED PHYSICS, 2007, 101 (09)

[2] Room temperature ferromagnetism in Zn1-xCuxO thin films [J].

Chakraborti, D. ;

Narayan, J. ;

Prater, J. T. .

APPLIED PHYSICS LETTERS, 2007, 90 (06)

[3] Crystalline nanostructured Cu doped ZnO thin films grown at room temperature by pulsed laser deposition technique and their characterization [J].

Drmosh, Qasem A. ;

Rao, Saleem G. ;

Yamani, Zain H. ;

Gondal, Mohammed A. .

APPLIED SURFACE SCIENCE, 2013, 270 :104-108

[4] Magnetism and band gap narrowing in Cu-doped ZnO [J].

Ferhat, M. ;

Zaoui, A. ;

Ahuja, R. .

APPLIED PHYSICS LETTERS, 2009, 94 (14)

[5] Optical transitions and multiphonon Raman scattering of Cu doped ZnO and MgZnO ceramics [J].

Huso, Jesse ;

Morrison, John L. ;

Mitchell, James ;

Casey, Erin ;

Hoeck, Heather ;

Walker, Chris ;

Bergman, Leah ;

Oo, W. M. Hlaing ;

McCluskey, M. D. .

APPLIED PHYSICS LETTERS, 2009, 94 (06)

[6] Structural and electrical properties of transparent conducting Al2O3-doped ZnO thin films using off-axis DC magnetron sputtering [J].

Lee, Sunghwan ;

Kim, Seung-Hyun ;

Kim, Youngha ;

Kingon, Angus I. ;

Paine, David C. ;

No, Kwangsoo .

MATERIALS LETTERS, 2012, 85 :88-90

[7] Structural, optical and photocurrent properties of undoped and Al-doped ZnO thin films deposited by sol-gel spin coating technique [J].

Mahroug, A. ;

Boudjadar, S. ;

Hamrit, S. ;

Guerbous, L. .

MATERIALS LETTERS, 2014, 134 :248-251

[8] Structural and optical properties of In-doped ZnO thin films under wet annealing [J].

Ooi, P. K. ;

Ng, S. S. ;

Abdullah, M. J. ;

Hassan, Z. .

MATERIALS LETTERS, 2014, 116 :396-398

[9] A comprehensive review of ZnO materials and devices -: art. no. 041301 [J].

Ozgür, U ;

Alivov, YI ;

Liu, C ;

Teke, A ;

Reshchikov, MA ;

Dogan, S ;

Avrutin, V ;

Cho, SJ ;

Morkoç, H .

JOURNAL OF APPLIED PHYSICS, 2005, 98 (04) :1-103

[10] Real-time optical spectroscopy study of solid-phase crystallization in hydrogenated amorphous silicon [J].

Stradins, P. ;

Young, D. L. ;

Yan, Y. ;

Iwaniczko, E. ;

Xu, Y. ;

Reedy, R. C. ;

Branz, H. M. ;

Wang, Qi .

APPLIED PHYSICS LETTERS, 2006, 89 (12)