Carbon Dots: Zero-Dimensional Carbon Allotrope with Unique Photoinduced Redox Characteristics
Author(s) -
Weixiong Liang,
Christopher E. Bunker,
YaPing Sun
Publication year - 2020
Publication title -
acs omega
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 0.779
H-Index - 40
ISSN - 2470-1343
DOI - 10.1021/acsomega.9b03669
Subject(s) - carbon fibers , quantum dot , nanotechnology , semiconductor , materials science , fullerene , excited state , nanomaterials , carbon nanoparticles , redox , carbon quantum dots , nanoparticle , optoelectronics , chemistry , physics , atomic physics , organic chemistry , composite number , metallurgy , composite material
Carbon dots (CDots) exploit and enhance the intrinsic properties of small carbon nanoparticles. Their optical absorptions and photoinduced redox characteristics are competitive with those of conventional semiconductor quantum dots at one end and fullerenes and other carbon nanomaterials at the other. Highlighted in this mini review are the effective photon harvesting over a broad spectral range by CDots and their subsequent excited-state charge transfer processes and interactions, which have enabled their use as sensors, for photodynamic effects, and in various energy conversion technologies.
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