Temperature-induced irreversible change of ZnO optical energy gap
It is generally recognized that the change of ZnO optical properties due to high-temperature treatment is reversible. However, herein, it is reported that high-temperature treatment in air caused an irreversible decrease in ZnO optical energy gap (E g). The irreversible decrease in E g was enhanced with increasing treatment temperature. Furthermore, it was found that the irreversible decrease in E g can be attributed to the enlargement of ZnO crystal particles. © 2011 American Chemical Society.
Industrial and Engineering Chemistry Research
Temperature-induced irreversible change of ZnO optical energy gap.
Industrial and Engineering Chemistry Research,
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