Issue 34, 2018

Carbon dots for promoting the growth of ZIF-8 crystals to obtain fluorescent powders and their application for latent fingerprint imaging

Abstract

An environmentally friendly synthetic route for carbon dots/ZIF-8 fluorescent powders has been developed. It was found that the carbon dots can promote the growth of ZIF-8 crystals. The carbon dots/ZIF-8 fluorescent powders can be fabricated at a relatively low 2-methylimidazole/Zn2+ molar ratio (10 : 1) in aqueous solution at room temperature. Different morphologies and sizes of the carbon dots/ZIF-8 fluorescent powders are easily obtained by adjusting the 2-methylimidazole/Zn2+ molar ratio. The as-prepared carbon dots/ZIF-8 fluorescent powders can afford multi-colored imaging of latent fingerprints on different substrates and show great potential for latent fingerprint detection.

Graphical abstract: Carbon dots for promoting the growth of ZIF-8 crystals to obtain fluorescent powders and their application for latent fingerprint imaging

Supplementary files

Article information

Article type
Paper
Submitted
10 Jun 2018
Accepted
30 Jul 2018
First published
31 Jul 2018

CrystEngComm, 2018,20, 5056-5060

Carbon dots for promoting the growth of ZIF-8 crystals to obtain fluorescent powders and their application for latent fingerprint imaging

G. Li, X. Wang and J. Zhang, CrystEngComm, 2018, 20, 5056 DOI: 10.1039/C8CE00955D

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