10.1021/acs.nanolett.6b03909.s001
Wenshou Wang
Wenshou
Wang
Ji Feng
Ji
Feng
Yifan Ye
Yifan
Ye
Fenglei Lyu
Fenglei
Lyu
Yi-sheng Liu
Yi-sheng
Liu
Jinghua Guo
Jinghua
Guo
Yadong Yin
Yadong
Yin
Photocatalytic Color Switching of Transition Metal
Hexacyanometalate Nanoparticles for High-Performance Light-Printable
Rewritable Paper
American Chemical Society
2016
phase separation issue
High-Performance Light-Printable Rewritable Paper
Transition Metal Hexacyanometalate Nanoparticles
photoreversible color
resource sustainability
TiO 2 nanoparticles
Photocatalytic Color Switching
rewritable paper
2016-11-22 00:00:00
Journal contribution
https://acs.figshare.com/articles/journal_contribution/Photocatalytic_Color_Switching_of_Transition_Metal_Hexacyanometalate_Nanoparticles_for_High-Performance_Light-Printable_Rewritable_Paper/4557892
Developing
efficient photoreversible color switching systems for constructing
rewritable paper is of significant practical interest owing to the
potential environmental benefits including forest conservation, pollution
reduction, and resource sustainability. Here we report that the color
change associated with the redox chemistry of nanoparticles of Prussian
blue and its analogues could be integrated with the photocatalytic
activity of TiO<sub>2</sub> nanoparticles to construct a class of
new photoreversible color switching systems, which can be conveniently
utilized for fabricating ink-free, light printable rewritable paper
with various working colors. The current system also addresses the
phase separation issue of the previous organic dye-based color switching
system so that it can be conveniently applied to the surface of conventional
paper to produce an ink-free light printable rewritable paper that
has the same feel and appearance as the conventional paper. With its
additional advantages such as excellent scalability and outstanding
rewriting performance (reversibility >80 times, legible time >5
days, and resolution >5 μm), this novel system can serve
as an eco-friendly alternative to regular paper in meeting the increasing
global needs for environment protection and resource sustainability.