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약학대학
약학과
Journal papers
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Mechanochemical synthesis of fluorescent carbon dots from cellulose powders
Title
Mechanochemical synthesis of fluorescent carbon dots from cellulose powders
Authors
Chae A.
;
Choi B.R.
;
Choi Y.
;
Jo S.
;
Kang E.B.
;
Lee H.
;
Park S.Y.
;
In I.
Ewha Authors
이혁진
SCOPUS Author ID
이혁진
Issue Date
2018
Journal Title
Nanotechnology
ISSN
0957-4484
Citation
Nanotechnology vol. 29, no. 16
Keywords
carbon dots
;
carbon nano-onions
;
cellulose
;
mechanochemistry
Publisher
Institute of Physics Publishing
Indexed
SCIE; SCOPUS
Document Type
Article
Abstract
A novel mechanochemical method was firstly developed to synthesize carbon nanodots (CNDs) or carbon nano-onions (CNOs) through high-pressure homogenization of cellulose powders as naturally abundant resource depending on the treatment times. While CNDs (less than 5 nm in size) showed spherical and amorphous morphology, CNOs (10-50 nm in size) presented polyhedral shape, and onion-like outer lattice structure, graphene-like interlattice spacing of 0.36 nm. CNOs showed blue emissions, moderate dispersibility in aqueous media, and high cell viability, which enables efficient fluorescence imaging of cellular media. © 2018 IOP Publishing Ltd.
DOI
10.1088/1361-6528/aaad49
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