Microwave plasma-assisted photoluminescence enhancement in nitrogen-doped ultrananocrystalline diamond film

Yu Lin Liu, Kien-Wen Sun*, Yi Jie Lin, Shih Chieh Fong, I. Nan Lin, Nyan Hwa Tai

*Corresponding author for this work

研究成果: Article

2 引文 斯高帕斯(Scopus)

摘要

Optical properties and conductivity of nitrogen-doped ultrananocrystal diamond (UNCD) films were investigated following treatment with low energy microwave plasma at room temperature. The plasma also generated vacancies in UNCD films and provided heat for mobilizing the vacancies to combine with the impurities, which formed the nitrogen-vacancy defect centers. The generated color centers were distributed uniformly in the samples. The conductivity of nitrogen-doped UNCD films treated by microwave plasma was found to decrease slightly due to the reduced grain boundaries. The photoluminescence emitted by the plasma treated nitrogen-doped UNCD films was enhanced significantly compared to the untreated films.

原文English
文章編號022145
期刊AIP Advances
2
發行號2
DOIs
出版狀態Published - 1 十二月 2012

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