A high gain, low loss, and low-threshold spherical organic laser based on highly miscible excited-state intramolecular proton transfer dyes

被引：0

作者：

Aoyagi, Shunya ^{[1
]}

Omori, Yoshiya ^{[2
]}

Kawamura, Tsukasa ^{[2
]}

Sakurai, Tsuneaki ^{[2
]}

Shimizu, Masaki ^{[2
]}

Yamashita, Kenichi ^{[3
]}

Nagai, Yuki ^{[4
]}

Kobayashi, Yoichi ^{[4
]}

Yamamoto, Yohei ^{[1
]}

Yamagishi, Hiroshi ^{[1
]}

机构：

[1] Univ Tsukuba, Inst Pure & Appl Sci, Dept Mat Sci, 1-1-1 Tennodai, Tsukuba, Ibaraki 3058573, Japan

[2] Kyoto Inst Technol, Fac Mol Chem & Engn, Sakyo Ku, Kyoto 6068585, Japan

[3] Kyoto Inst Technol, Fac Elect Engn & Elect, Sakyo Ku, Kyoto 6068585, Japan

[4] Ritsumeikan Univ, Coll Life Sci, Dept Appl Chem, 1-1-1 Nojihigashi, Kusatsu, Shiga 5258577, Japan

来源：

CHEMICAL COMMUNICATIONS | 2025年 / 61卷 / 30期

关键词：

D O I：

10.1039/d4cc06784c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Here, we report two types of excited-state intramolecular proton transfer dyes featuring exceptionally high miscibility with a polymer matrix (>50 wt%). Using these dyes, we assemble spherical laser oscillators and observe a significant reduction in the laser emission threshold at higher dye concentrations due to the enhanced optical gain as well as suppressed self-absorption and light scattering.

引用

页码：5589 / 5592

页数：4

共 41 条

[1] Low-Threshold Wavelength-Switchable Organic Nanowire Lasers Based on Excited-State Intramolecular Proton Transfer
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[2] Excited-State Intramolecular Proton Transfer (ESIPT) of Fluorescent Flavonoid Dyes: A Close Look by Low Temperature Fluorescence
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