Large-scale preparation for efficient polymer-based room-temperature phosphorescence via click chemistry.

Science Advances
R TianC Lu

Abstract

To achieve efficient polymer-based room-temperature phosphorescence (RTP) materials, covalently embedding phosphors into the polymer matrix appeared as the most appealing approach. However, it is still highly challenging to fabricate RTP materials on a large scale because of the inefficient binding engineering and time-consuming covalent reactions. Here, we have proposed a scalable preparation approach for RTP materials by the facile B─O click reaction between boronic acid-modified phosphors and polyhydroxy polymer matrix. The ab initio molecular dynamics simulations demonstrated that the phosphors were effectively immobilized, resulting in the suppressed nonradiative transitions and activated RTP emission. In comparison to the reported covalent binding time of several hours, such a B─O click reaction can be accomplished within 20 s under ambient environment. The developed strategy simplified the construction of polymer-based RTP polymeric materials by the introduction of facile click chemistry. Our success provides inspirations and possibilities for the scale-up production of RTP materials.

References

Oct 28, 1996·Physical Review Letters·J P PerdewM Ernzerhof
Aug 12, 2009·Nature Materials·Guoqing ZhangCassandra L Fraser
Dec 22, 2010·Journal of the American Chemical Society·Yi LiuBen Zhong Tang
Mar 26, 2013·Journal of the American Chemical Society·Dongwook LeeJinsang Kim
Apr 8, 2015·Nature Materials·Zhongfu AnWei Huang
Jun 18, 2016·Chemical Communications : Chem Comm·Ryuhei Nishiyabu, Ai Shimizu
Oct 25, 2017·Nature Chemistry·Mikiembo KukwikilaAli Tavassoli

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Methods Mentioned

BETA
scanning
atomic force microscopy
x-ray spectroscopy
phosphorescence
x-ray diffraction
AFM

Software Mentioned

Gaussian
DMol

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