Solid-State Carbon Dots with Tunable Fluorescence via Surface Substitution: Effect of Alkyl Moieties on Fluorescence Characteristics

被引：28

作者：

An, Yulong ^{[1
]}

Liu, Can ^{[1
,2
]}

Chen, Ming ^{[1
]}

Yin, Xiangjiang ^{[1
]}

Hou, Defa ^{[1
]}

Zheng, Yunwu ^{[1
]}

Shi, Rui ^{[2
]}

He, Xiahong ^{[2
]}

Lin, Xu ^{[1
,2
]}

机构：

[1] Southwest Forestry Univ, Natl Joint Engn Res Ctr Highly Efficient Utilizat, Kunming 650224, Yunnan, Peoples R China

[2] Southwest Forestry Univ, Key Lab Forest Resources Conservat & Utilizat Sout, Minist Educ, Kunming 650224, Yunnan, Peoples R China

来源：

ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2023年 / 11卷 / 01期

关键词：

carbon dots; solid-state fluorescent; amine reagents; aggregation; surface substitution; PHOTOLUMINESCENCE; EMISSION;

D O I：

10.1021/acssuschemeng.2c06131

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Multicolor solid-state fluorescent CDs were prepared by a one-step solvothermal method using citric acid as the carbon source and six alkyl amines as carbonization solvents. We found that the alkyl chain type of the amine solvent significantly affects the interaction between carbon dots in the solid state and thus affects the fluorescence wavelength and quantum efficiency of the CDs.

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收藏

页码：23 / 28

页数：6

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