Scientific Results

Increasing the anti-Stokes shift in TTA upconversion with photosensitizers showing red-shifted spin-allowed charge transfer absorption but a non-compromised triplet state energy level

Year: 2019

Authors: Wang Z., Zhao J.Z., Di Donato M., Mazzone G.

Autors Affiliation: Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, E-208 West Campus,2 Ling Gong Rd, Dalian 116024, Peoples R China; LENS European Lab Nonlinear Spect, Via N Carrara 1, I-50019 Sesto Fiorentino, FI, Italy; INO, Largo Enrico Fermi 6, I-50125 Florence, Italy; Univ Calabria, Dipartimento Chim Tecnol Chim, I-87036 Arcavacata Di Rende, Italy

Abstract: Excitation into the spin-allowed S-0 (CT)-C-1 absorption band of a spin-orbit charge transfer intersystem crossing (SOCT-ISC) triplet photosensitizer (PS) was used as a new strategy to increase the anti-Stokes shift in triplet-triplet annihilation (TTA) upconversion, with the advantages of red-shifted absorption but the non-compromised triplet state energy level of the triplet PS.

Journal/Review: CHEMICAL COMMUNICATIONS (LOND., 1996, PRINT)

Volume: 55 (10)      Pages from: 1510  to: 1513

KeyWords: TIME-RESOLVED EPR; EXCITED-STATE; ELECTRON-DONOR; SINGLET OXYGEN; BODIPY; SENSITIZERS; GENERATION; EFFICIENCY; MOLECULES; PYRENE
DOI: 10.1039/c8cc08159j

Citations: 16
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