Size controllable preparation of graphitic quantum dots and their photoluminescence behavior
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- 作者：Xiaoguang Liu ; Jun Wang ; Yan Li ; liyan2011@ustb.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Wendong Xue
- 关键词：Graphitic quantum dots ; Electrochemical method ; Photoluminescence ; Mechanism ; Carbon materials ; Nanomaterials
- 刊名：Materials Letters
- 出版年：2016
- 出版时间：1 January 2016
- 年：2016
- 卷：162
- 期：Complete
- 页码：56-59
- 全文大小：1255 K
文摘
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Size controllable graphitic quantum dots were prepared via an electrochemical route.
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They show identical PL spectra at 445 nm on being excited by 360 nm.
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The PL emission originates from the surface oxygen groups rather than sizes.