Ex) Article Title, Author, Keywords
J. Korean Phy. Soc. 2011; 58(5(1)): 1284-1289
Published online May 13, 2011 https://doi.org/10.3938/jkps.58.1284
Copyright © The Korean Physical Society.
S. S. Kurbanov, T. W. Kang
The photoluminescence (PL) from ZnO nanocrystals and nanorods has been investigated, paying particular attention to the emission around 3.31 eV (A-line). The temperature- and the excitationpower-dependent investigations revealed different intensity and peak energy variations of the A-line and bound (free) exciton emissions and a decrease in activation energy under high excitation power. In contrast to ZnO nanocrystals, a negative thermal quenching of the A-line intensity from ZnO nanorods was observed. The origin of the observations is discussed.
Keywords: ZnO, Photoluminescence, Activation energy,
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