Issue 5, 2019

Large-scale synthesis of carbon dots/TiO2 nanocomposites for the photocatalytic color switching system

Abstract

In view of the easy control and contactless spatial nature of light, the photoreversible color switching system has attracted tremendous attention. Although some progress has been achieved in the past few years, the practical applications have been limited by the complicated preparation process, material toxicity and low reaction yield. Herein, we report a rapid, a one-pot large-scale synthesis approach for the preparation of carbon dots (CDs)/TiO2 nanocomposites via the thermal condensation at 160 °C, affording high photocatalytic color switching on/off performance. Under ambient conditions and with the introduction of some oxygen gas, MB rapidly changed from blue to colorless in one minute under UV-vis irradiation and recovered (again showed its original blue color) in twenty minutes. We anticipate that the designed low-cost and green carbon dots (CDs)/TiO2 nanocomposites have much potential in practical applications and represent a solid step toward color switching applications.

Graphical abstract: Large-scale synthesis of carbon dots/TiO2 nanocomposites for the photocatalytic color switching system

Supplementary files

Article information

Article type
Paper
Submitted
28 yan 2019
Accepted
27 fev 2019
First published
28 fev 2019
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2019,1, 1819-1825

Large-scale synthesis of carbon dots/TiO2 nanocomposites for the photocatalytic color switching system

A. Wang, X. Xiao, C. Zhou, F. Lyu, L. Fu, C. Wang and S. Ruan, Nanoscale Adv., 2019, 1, 1819 DOI: 10.1039/C9NA00054B

This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. You can use material from this article in other publications, without requesting further permission from the RSC, provided that the correct acknowledgement is given and it is not used for commercial purposes.

To request permission to reproduce material from this article in a commercial publication, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party commercial publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements