化学
拉曼光谱
纳米晶
发光
光致发光
碳纳米管
石墨烯
电化学
透射电子显微镜
纳米技术
高分辨率透射电子显微镜
材料科学
插层(化学)
化学工程
无机化学
电极
光电子学
物理化学
光学
物理
工程类
作者
Jigang Zhou,Christina J. Booker,Ruying Li,Xingtai Zhou,Tsun‐Kong Sham,Xueliang Sun,Zhifeng Ding
摘要
Blue luminescent nanocrystals (NCs) were prepared electrochemically from multiwalled carbon nanotubes (MWCNTs) for the first time. The carbon NCs were characterized by UV−vis, photoluminescence, Raman, XRD spectroscopy, and high-resolution transmission electron microscopy. The structure evolution of the MWCNTs during electrochemical treatments was monitored by SEM ex situ. Since the MWCNTs were formed with scrolled graphene layers, we propose that tetrabutyl ammonium (TBA) cations most probably intercalate into the gaps and the defects during electrochemical cycling and break the tubes near the defects.
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