Open AccessВлияние ультрафиолетовой засветки и влажности на спектры фотолюминесценции оксида цинка
Author(s) -
Х.А. Абдуллин,
М.Т. Габдуллин,
В.В. Кудряшов,
С.Е. Кумеков,
Н.К. Саитова
Publication year - 2018
Publication title -
pisʹma v žurnal tehničeskoj fiziki
Language(s) - English
Resource type - Journals
eISSN - 1726-7471
pISSN - 0320-0116
DOI - 10.21883/pjtf.2018.13.46331.16940
Subject(s) - photoluminescence , nanorod , materials science , ultraviolet , impurity , luminescence , hydrothermal circulation , spectral line , zinc , water vapor , atmosphere (unit) , oxide , analytical chemistry (journal) , optoelectronics , nanotechnology , chemistry , chemical engineering , environmental chemistry , metallurgy , physics , meteorology , organic chemistry , astronomy , engineering
The structure and electrical and luminescent properties of arrays of zinc-oxide nanorods grown by the hydrothermal method are studied. It was found that the exposure of samples to ultraviolet light or the presence of water vapor in a gaseous atmosphere significantly change the photoluminescence spectra. The exposure of samples leads to a substantial increase in intrinsic photoluminescence and a decrease in impurity photoluminescence. The presence of water vapor leads to the opposite effect. It is shown that the observed effects are caused by the change in the surface-band bending and the thickness of the depletion region.