Premium
Ultraviolet Emission and Electrical Properties of Aluminum‐Doped Zinc Oxide Thin Films with Preferential C ‐Axis Orientation
Author(s) -
Zhang Daoli,
Zhang Jianbing,
Cheng Youguang,
Yuan Lin,
Miao Xiangshui
Publication year - 2010
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1551-2916.2010.03847.x
Subject(s) - thin film , materials science , photoluminescence , annealing (glass) , ultraviolet , electrical resistivity and conductivity , doping , transmittance , float glass , zinc , microstructure , aluminium , dip coating , analytical chemistry (journal) , optoelectronics , coating , composite material , nanotechnology , chemistry , metallurgy , engineering , chromatography , electrical engineering
Aluminum‐doped zinc oxide (AZO) thin films with preferential c ‐axis orientation were obtained on float glass substrates (25 mm × 76 mm × 1 mm) by sol–gel dip‐coating technique. Experimental results showed that annealing treatment influenced the c ‐axis growth orientation of AZO thin films dramatically. Optical and electrical properties and microstructures of AZO thin films had been investigated systematically. The transmission spectra of the films demonstrated that the transmittance was higher than 90% in the visible region, and the four‐point probes technique measured the minimum resistivity of the films as 17.4 Ω·cm. Room‐temperature photoluminescence spectra indicated that AZO film had a broad emission peak at about 394 nm. Annealing treatment can enhance the ultraviolet emission of AZO thin films.