Systematic bandgap engineering of graphene quantum dots and applications for photocatalytic water splitting and Co2 reduction

Systematic bandgap engineering of graphene quantum dots and applications for photocatalytic water splitting and Co2 reduction

Graphene quantum dots (GQDs), which is the latest addition to the nanocarbon material family, promise a wide spectrum of applications. Herein, we demonstrate two different functionalization strategies to systematically tailor the bandgap structures of GQDs whereby making them snugly suitable for par...

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Bibliographic Details
Main Authors: Yan, Yibo, Chen, Jie, Li, Nan, Tian, Jingqi, Li, Kaixin, Jiang, Jizhou, Liu, Jiyang, Tian, Qinghua, Chen, Peng
Other Authors: School of Chemical and Biomedical Engineering
Format: Article
Language:English
Published: 2019
Subjects:
Bandgap Engineering
Science::Chemistry
Graphene Quantum Dots
Online Access:https://hdl.handle.net/10356/103257
http://hdl.handle.net/10220/49979
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Institution: Nanyang Technological University
Language: English
Description
Summary:Graphene quantum dots (GQDs), which is the latest addition to the nanocarbon material family, promise a wide spectrum of applications. Herein, we demonstrate two different functionalization strategies to systematically tailor the bandgap structures of GQDs whereby making them snugly suitable for particular applications. Furthermore, the functionalized GQDs with a narrow bandgap and intramolecular Z-scheme structure are employed as the efficient photocatalysts for water splitting and carbon dioxide reduction under visible light. The underlying mechanisms of our observations are studied and discussed.

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