Structural and Optical Properties of N-Doped and B-Doped Carbon Dots

被引：12
|
作者：
Tomskaya, A. E. [1 ]
Prosvirin, I. P. [2 ]
Egorova, M. N. [1 ]
Smagulova, S. A. [1 ]
Asanov, I. P. [3 ]
机构：
[1] Ammosov North Eastern Fed Univ, Yakutsk, Russia
[2] Russian Acad Sci, Boreskov Inst Catalysis, Siberian Branch, Novosibirsk, Russia
[3] Russian Acad Sci, Siberian Branch, Nikolaev Inst Inorgan Chem, Novosibirsk, Russia
来源：
JOURNAL OF STRUCTURAL CHEMISTRY | 2020年 / 61卷 / 05期
关键词：
carbon dots; hydrothermal synthesis; luminescence; quantum yield; nitrogen; boron; BORON; NANOPARTICLES; MECHANISM;
D O I：
10.1134/S0022476620050194
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Carbon dots (CDs) demonstrate unique luminescence properties due to conjugated pi domains of thesp(2)/sp(3)hybridized carbon core, quantum-size effects, and passivation of CD surfaces by functional groups. In this work we present hydrothermal synthesis of nitrogen-doped and boron-doped CDs, their morphological, structural, optical characteristics, and luminescent properties. The CDs are first synthesized fromtrans-aconitic acid. X-ray photoelectron and infrared spectroscopy data indicate that prepared CDs contain nitrogen and boron atoms. The photoluminescence quantum yield of N-doped and B-doped CDs is 26% and 9%, respectively.
引用
收藏
页码：818 / 825
页数：8
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