Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/74672
Title: Understanding and manipulating luminescence in carbon nanodots
Authors: Su, ZC
Ye, HG
Xiong, Z
Lou, Q
Zhang, Z 
Tang, F
Tang, JY
Dai, JY 
Shan, CX
Xu, SJ
Issue Date: 2018
Publisher: Pergamon Press
Source: Carbon, 2018, v. 126, p. 58-64 How to cite?
Journal: Carbon 
Abstract: Carbon nanodots (CDs), a new star in the carbon nanomaterials family, have been demonstrated to show strong luminescence, and can meet the needs of large-scale production for biological and medical applications due to their low toxicity and biocompatibility. However, their luminescence mechanisms, such as color tuning and strong excitation-dependent luminescence, are still unclear. Herein, we present a state-of-the-art understanding and manipulating luminescence in CDs by changing their environmental states and using multiple spectroscopic methods as well as the first-principles theoretical calculations. Our study reveals that the edge-carbon atoms and incorporated nitrogen atoms play critical roles in the luminescence mechanisms of CDs, and thus paves the way for manipulation of luminescence in CDs.
URI: http://hdl.handle.net/10397/74672
ISSN: 0008-6223
EISSN: 1873-3891
DOI: 10.1016/j.carbon.2017.10.013
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