Effect of solution molarity on properties of hydrothermally grown ZnO nanostructures

2nd International Conference on Energy Materials and Applications

材料科学;能源学

Chen, Yi^1 ; Chen, Wei-You^1 ; Hsu, Hung-Pin^1 ; Lee, Jiunn-Chyi^2 ; Wu, Ya-Fen^1,3

Department of Electronic Engineering, Ming Chi University of Technology, New Taipei City

243, Taiwan^1

Department of Electrical Engineering, Taipei City University of Science and Technology, Taipei

112, Taiwan^2

College of Engineering, Chang Gung University, Taoyuan

333, Taiwan^3

关键词: Crystal qualities;    Hydrothermally;    PL intensity;    Temperature dependent photoluminescences;    Ultraviolet emission;    Visible emissions;    ZnO nanostructures;    ZnO structures;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/222/1/012007/pdf
DOI  :  10.1088/1757-899X/222/1/012007

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

In this work, the hydrothermally grown ZnO nanostructures were successfully prepared on indium tin oxide glass using different aqueous solution molarities. The effect of solution molarity on the structual and optical properties of ZnO nanostructures were studied by X-ray diffraction and temperature-dependent photoluminescence (PL) measurements. The PL intensity ratio of the ultraviolet emission to the visible emission is also calculated. It is found that the crystal quality and the optical properties are improved by raising the solution molarity, but too higher solution molarity should lead to the disorder of ZnO structures, and deteriorate the crystal quality.