Effect of Substrate's Surface Oxidation State on Optical Absorption Property of Au/Si-NPA
Keyword(s):
Two types of Au/Si-NPA samples based on different surface oxidation state were prepared by immersion method. Their surface morphology and optical absorption property were also investigated. The results showed, due to the different deposition region of Au nanoparticles, their surface morphology and structure were quite different, and their absorption curves were also different. Optical absorption property of samples prepared on aged substrate was better than those of prepared on fresh substrate, except 15 minutes samples.
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