Optimization of gold nanoparticle photoluminescence by alkanethiolation

Sheng Feng Lai, Hui Ru Tan, Eng Soon Tok, Yu Han Chen, Edwin B.L. Ong, Min Tsang Li, Yi Yun Chen, Fan Ching Chien, Peilin Chen, G. Margaritondo, Y. Hwu

研究成果: 雜誌貢獻期刊論文同行評審

7 引文 斯高帕斯(Scopus)

摘要

Surface thiolation affects the size of gold nanoparticles and the presence of visible luminescence under UV stimulation. We explored these phenomena by analysing alkanethiolate coatings with different carbon chain lengths, from 3-mercaptopropionic acid to 16-mercaptohexadecanoic acid, synthesized by intense X-ray irradiation. Photoluminescence is present for the smallest nanoparticles, but its intensity becomes more intense as the carbon chain length increases, achieving a quantum efficiency of 28% with a 16-mercaptohexadecanoic acid coating.

原文???core.languages.en_GB???
頁(從 - 到)7954-7957
頁數4
期刊Chemical Communications
51
發行號37
DOIs
出版狀態已出版 - 7 5月 2015

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