Stilbene-Based Two-Photon Thermo-Solvatochromic Fluorescence Probes with Large Two-Photon Absorption Cross Sections and Two-Photon Triple Fluorescence: Detection of Solvent Polarities, Viscosities, and Temperature| Biomed Grid

Journal: American Journal of Biomedical Science & Research (Vol.4, No. 2)

Publication Date: 2019-07-18

Authors : Chi Bao Huang Xiao Jun Peng; Jiang Li Fan;

Page : 116-124

Keywords : Two photons; Two photon fluorescence; Two photon absorption; Dicyano 4 amino stilbene; Donor π acceptor; Hydrogen bonding donor; Non hydrogen bonding donor; Localized excited state; Internal charge transfer;

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Abstract

The unusually sensitive solvatochromism of 2,5-dicyano-4-methyl-4'-dimethylaminostilbene (P1) whose emission maximum varies from 445 nm in cyclohexane to 641 nm in DMSO are described. 1a with remarkably large two-photon cross sections exhibits very strong polarity-, viscosity-, and temperature-dependence of fluorescence, and can be used to detect polarities, viscosities, and temperature. The successful application of P1 provides a brilliant prototype for the developments of ideal two-photon fluorescence probes

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Stilbene-Based Two-Photon Thermo-Solvatochromic Fluorescence Probes with Large Two-Photon Absorption Cross Sections and Two-Photon Triple Fluorescence: Detection of Solvent Polarities, Viscosities, and Temperature| Biomed Grid

Abstract

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