Inclusion Complexes of Photosensitizers with Cyclodextrins for Enhancing the Fabrication of Volume Grating
Source abstract
Abstract
A supramolecule photosensitizer (supra-photosensitizer) based on the host–guest complexation of cyclodextrins and a bis-chalcone dye (BDEA) was prepared. Methyl-β-cyclodextrin (Me-β-CD), with the highest inclusion rate, was confirmed as the best host among the four cyclodextrins. The host–guest properties of Me-β-CD and BDEA were characterized by FTIR, XRD, 1 H NMR, PLQY, SEM, Job’s plot, Benesi–Hildebrand plot, and others. Compared to the conventional photosensitizers, the supra-photosensitizers showed higher fluorescence emission and longer fluorescence lifetime whether as a powder or distributed in a film. The improvement in fluorescence coincided with improvement in photoinitiation efficiency and was proven to enhance the generation of volume grating. It is expected that the supra-photosensitizer may open a new avenue for the design of high-performance photoinitiation systems.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Photopolymerization techniques and applications · Photodynamic Therapy Research Studies · Photochromic and Fluorescence Chemistry
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Materials Science and Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing 100191, People’s Republic of China
Research Institute of Tsinghua University in Shenzhen, High-tech Industrial Park, Shenzhen, Guangdong 518057, People’s Republic of China
Department of Information Communication, Army Academy of Armored Forces, Beijing 100072, People’s Republic of China
Funding
National Natural Science Foundation of China
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