Tunable multicolor carbon dots prepared from well-defined polythiophene derivatives and their emission mechanism

Liang Guo; Jiechao Ge; Weimin Liu; Guangle Niu; Qingyan Jia; Hui Wang; Pengfei Wang

doi:10.1039/c5nr07153d

Tunable multicolor carbon dots prepared from well-defined polythiophene derivatives and their emission mechanism

Liang Guo, Jiechao Ge^*, Weimin Liu, Guangle Niu, Qingyan Jia, Hui Wang, Pengfei Wang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

188 Citations (Scopus)

Abstract

Various functional precursors based on polythiophene derivatives are designed to prepare carbon dots (C-dots) with tunable emissions ranging from blue to near-infrared (NIR) at a single excitation wavelength (400 nm). The as-prepared C-dots demonstrate homogeneous size, superior optical properties, excellent water solubility, and low cytotoxicity. Thus, the C-dots are candidates for bio-imaging. A tunable photoluminescence mechanism is proposed to result from variations in the surface state and N content.

Original language	English
Pages (from-to)	729-734
Number of pages	6
Journal	Nanoscale
Volume	8
Issue number	2
DOIs	https://doi.org/10.1039/c5nr07153d
Publication status	Published - 14 Jan 2016
Externally published	Yes

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Guo, L., Ge, J., Liu, W., Niu, G., Jia, Q., Wang, H., & Wang, P. (2016). Tunable multicolor carbon dots prepared from well-defined polythiophene derivatives and their emission mechanism. Nanoscale, 8(2), 729-734. https://doi.org/10.1039/c5nr07153d

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AU - Ge, Jiechao

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AU - Jia, Qingyan

AU - Wang, Hui

AU - Wang, Pengfei

PY - 2016/1/14

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AB - Various functional precursors based on polythiophene derivatives are designed to prepare carbon dots (C-dots) with tunable emissions ranging from blue to near-infrared (NIR) at a single excitation wavelength (400 nm). The as-prepared C-dots demonstrate homogeneous size, superior optical properties, excellent water solubility, and low cytotoxicity. Thus, the C-dots are candidates for bio-imaging. A tunable photoluminescence mechanism is proposed to result from variations in the surface state and N content.

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Tunable multicolor carbon dots prepared from well-defined polythiophene derivatives and their emission mechanism

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