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@article{Zhang:2018:10.1039/c7mh00784a,
author = {Zhang, DW and Papaioannou, N and David, NM and Luo, H and Gao, H and Tanase, LC and Degousée, T and Samorì, P and Sapelkin, A and Fenwick, O and Titirici, MM and Krause, S},
doi = {10.1039/c7mh00784a},
journal = {Materials Horizons},
pages = {423--428},
title = {Photoelectrochemical response of carbon dots (CDs) derived from chitosan and their use in electrochemical imaging},
url = {http://dx.doi.org/10.1039/c7mh00784a},
volume = {5},
year = {2018}
}

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TY  - JOUR
AB  - ©The Royal Society of Chemistry 2018. We report a direct photoelectrochemical response from low cost carbon dots (CDs) prepared from chitosan via a solvothermal method. The carbon dots were covalently linked to an indium tin oxide (ITO) surface through a self-assembled silane monolayer. We attribute the photocurrent of the ITO-silane-CD surface to a photogenerated electron-transfer process by CDs under illumination with a wavelength of 420 nm to 450 nm. The self-assembled monolayer of CDs was used for ac-photocurrent imaging of the surface with micron scale lateral resolution. This discovery opens up new applications for CDs as biocompatible, light-addressable electrochemical sensors in bioanalytical and bioimaging applications.
AU  - Zhang,DW
AU  - Papaioannou,N
AU  - David,NM
AU  - Luo,H
AU  - Gao,H
AU  - Tanase,LC
AU  - Degousée,T
AU  - Samorì,P
AU  - Sapelkin,A
AU  - Fenwick,O
AU  - Titirici,MM
AU  - Krause,S
DO  - 10.1039/c7mh00784a
EP  - 428
PY  - 2018///
SN  - 2051-6347
SP  - 423
TI  - Photoelectrochemical response of carbon dots (CDs) derived from chitosan and their use in electrochemical imaging
T2  - Materials Horizons
UR  - http://dx.doi.org/10.1039/c7mh00784a
VL  - 5
ER  -

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