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Updated: Jan 25, 2026

Preparation of Biopolymer Aerogels Using Green Solvents
Published on: July 4, 2016
A green solvent for operating highly efficient low-power photon upconversion in air
Jinsuo Ma1, Shuoran Chen1, Changqing Ye1
1Research Centre for Green Printing Nanophotonic Materials, Jiangsu Key Laboratory for Environmental Functional Materials, Institute of Chemistry, Biology and Materials Engineering, Suzhou University of Science and Technology, Suzhou 215009, P. R. China. yechangqing@mail.usts.edu.cn.
Abstract:
d-Limonene, obtained from the rind of citrus fruits, was demonstrated as a green solvent to realize air-stable and highly efficient triplet-triplet annihilation photon upconversion (TTA-UC). This natural low-toxic compound also contributed to noncoherent UC excited by a solar simulator in air, making TTA-UC materials promising candidates in solar energy and other practical applications. The rapid deoxygenating ability of d-limonene was thoroughly investigated. This system demonstrated very good UC performance for a fluid solution under ambient conditions. Besides, other eight types of terpene were also explored to enrich the alternatives for air-stable TTA-UC in protic and aprotic fluidic environments. This work provides a terpene-based protective platform for oxygen-sensitive TTA-UC applications ranging from life science to photonic devices.
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