The optical absorption edges red-shift along with the increase of annealing temperature under nitrogen and blue-shift under air were observed, which can be attributed to the quantum size effect.
在氮气和空气中退火时,随退火温度升高前者表现为红移而后者表现为蓝移,这归属于量子尺寸效应。
Comparing with general bulk-oxide powders, nano-powders of oxide-materials exhibit blue and red shift in their optical absorption spectra.
纳米氧化物粉体与常规氧化物粉体相比呈现出吸收峰发生红移、蓝移等特异性能。
The results show that C, P, N, S doped anatase TiO2 all can cause the absorption band of optical catalysis to red-shift, the absorpotion coefficient in the visible light r.
计算结果表明,C、P、N、S掺杂锐钛矿TiO2都能使TiO2的光催化吸收带在一定程度上红移,并在可见光区有一定的吸收系数。
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