Amplified Near-IR Fluorescence in Organic Rhodamine-800 Nanoparticles under the Efficient Control of Aggregation-caused Quenching

被引：1

作者：

Ishikawa, Takenori ^{[1
]}

Yao, Hiroshi ^{[1
]}

机构：

[1] Mie Univ, Grad Sch Engn, Div Chem Mat, 1577 Kurimamachiya Cho, Tsu, Mie 5148507, Japan

来源：

CHEMISTRY LETTERS | 2019年 / 48卷 / 11期

基金：

日本学术振兴会;

关键词：

NIR fluorescent organic nanoparticles; Ion association; Aggregation-caused quenching (ACQ); NANOCRYSTALS; BIOPROBES; STATE; DYE;

D O I：

10.1246/cl.190612

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report amplified near-IR (NIR) fluorescence in organic rhodamine dye nanoparticles, which can be synthesized on the basis of ion association between rhodamine-800 (Rho-800) cation and tetrakis(4-fluorophenyl)borate (TFPB) anion in the presence of photochemically-inert, bulky co-cation in water. The maximum fluorescence quantum yield obtained is similar to 0.18, one of the best NIR solid-state organic nano-emitters.

引用

页码：1339 / 1342

页数：4

共 10 条

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