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Title: Synthesis of Carbon Dots with Multiple Color Emission by Controlled Graphitization and Surface Functionalization

Abstract

Multiple-color-emissive carbon dots (CDots) have potential applications in various fields such as bioimaging, light-emitting devices, and photocatalysis. The majority of the current CDots to date exhibit excitation-wavelength-dependent emissions with their maximum emission limited at the blue-light region. In this paper, a synthesis of multiple-color-emission CDots by controlled graphitization and surface function is reported. The CDots are synthesized through controlled thermal pyrolysis of citric acid and urea. By regulating the thermal-pyrolysis temperature and ratio of reactants, the maximum emission of the resulting CDots gradually shifts from blue to red light, covering the entire light spectrum. Specifically, the emission position of the CDots can be tuned from 430 to 630 nm through controlling the extent of graphitization and the amount of surface functional groups, –COOH. The relative photoluminescence quantum yields of the CDots with blue, green, and red emission reach up to 52.6%, 35.1%, and 12.9%, respectively. Furthermore, it is demonstrated that the CDots can be uniformly dispersed into epoxy resins and be fabricated as transparent CDots/epoxy composites for multiple-color- and white-light-emitting devices. Finally, this research opens a door for developing low-cost CDots as alternative phosphors for light-emitting devices.

Authors:
 [1];  [2];  [2];  [3];  [3];  [4]; ORCiD logo [2]
  1. Beijing Univ. of Technology (China). Beijing Key Lab. for Green Catalysis and Separation. Dept. of Chemistry and Chemical Engineering. College of Environmental and Energy Engineering; Changchun Inst. of Optics, Fine Mechanics and Physics (China). State Key Lab. of Luminescence and Applications; Univ. of Chinese Academy of Sciences, Beijing (China)
  2. Beijing Univ. of Technology (China). Beijing Key Lab. for Green Catalysis and Separation. Dept. of Chemistry and Chemical Engineering. College of Environmental and Energy Engineering
  3. Beijing Univ. of Technology (China). Beijing Key Lab. for Green Catalysis and Separation. Dept. of Chemistry and Chemical Engineering. College of Environmental and Energy Engineering; Beijing Guangqumen High School (China)
  4. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Beijing Univ. of Technology (China); Changchun Inst. of Optics, Fine Mechanics and Physics (China); Univ. of Chinese Academy of Sciences, Beijing (China)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA); National Natural Science Foundation of China (NNSFC); Beijing High Talent Program (China); Beijing Natural Science Foundation (China); China Postdoctoral Science Foundation; Beijing Postdoctoral Research Foundation (China); Dongguan Program for International S&T Cooperation (China)
OSTI Identifier:
1469628
Alternate Identifier(s):
OSTI ID: 1410375
Report Number(s):
SAND-2018-9737J
Journal ID: ISSN 0935-9648; 667622
Grant/Contract Number:  
NA0003525; 21671011; KZ201710005002; 2015508102006
Resource Type:
Accepted Manuscript
Journal Name:
Advanced Materials
Additional Journal Information:
Journal Volume: 30; Journal Issue: 1; Journal ID: ISSN 0935-9648
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; carbon dots; effective conjugation length; light-emitting devices; multiple-color emission; phosphors

Citation Formats

Miao, Xiang, Qu, Dan, Yang, Dongxue, Nie, Bing, Zhao, Yikang, Fan, Hongyou, and Sun, Zaicheng. Synthesis of Carbon Dots with Multiple Color Emission by Controlled Graphitization and Surface Functionalization. United States: N. p., 2017. Web. doi:10.1002/adma.201704740.
Miao, Xiang, Qu, Dan, Yang, Dongxue, Nie, Bing, Zhao, Yikang, Fan, Hongyou, & Sun, Zaicheng. Synthesis of Carbon Dots with Multiple Color Emission by Controlled Graphitization and Surface Functionalization. United States. doi:10.1002/adma.201704740.
Miao, Xiang, Qu, Dan, Yang, Dongxue, Nie, Bing, Zhao, Yikang, Fan, Hongyou, and Sun, Zaicheng. Mon . "Synthesis of Carbon Dots with Multiple Color Emission by Controlled Graphitization and Surface Functionalization". United States. doi:10.1002/adma.201704740. https://www.osti.gov/servlets/purl/1469628.
@article{osti_1469628,
title = {Synthesis of Carbon Dots with Multiple Color Emission by Controlled Graphitization and Surface Functionalization},
author = {Miao, Xiang and Qu, Dan and Yang, Dongxue and Nie, Bing and Zhao, Yikang and Fan, Hongyou and Sun, Zaicheng},
abstractNote = {Multiple-color-emissive carbon dots (CDots) have potential applications in various fields such as bioimaging, light-emitting devices, and photocatalysis. The majority of the current CDots to date exhibit excitation-wavelength-dependent emissions with their maximum emission limited at the blue-light region. In this paper, a synthesis of multiple-color-emission CDots by controlled graphitization and surface function is reported. The CDots are synthesized through controlled thermal pyrolysis of citric acid and urea. By regulating the thermal-pyrolysis temperature and ratio of reactants, the maximum emission of the resulting CDots gradually shifts from blue to red light, covering the entire light spectrum. Specifically, the emission position of the CDots can be tuned from 430 to 630 nm through controlling the extent of graphitization and the amount of surface functional groups, –COOH. The relative photoluminescence quantum yields of the CDots with blue, green, and red emission reach up to 52.6%, 35.1%, and 12.9%, respectively. Furthermore, it is demonstrated that the CDots can be uniformly dispersed into epoxy resins and be fabricated as transparent CDots/epoxy composites for multiple-color- and white-light-emitting devices. Finally, this research opens a door for developing low-cost CDots as alternative phosphors for light-emitting devices.},
doi = {10.1002/adma.201704740},
journal = {Advanced Materials},
number = 1,
volume = 30,
place = {United States},
year = {2017},
month = {11}
}

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    journal, January 2019

    • Li, Hao; Ye, Shuai; Guo, Jia-qing
    • Journal of Materials Chemistry C, Vol. 7, Issue 34
    • DOI: 10.1039/c9tc03481a

    Bright tricolor ultrabroad-band emission carbon dots for white light-emitting diodes with a 96.5 high color rendering index
    journal, January 2020

    • Li, Xiaoxi; Wang, Zifei; Liu, Yang
    • Journal of Materials Chemistry C, Vol. 8, Issue 4
    • DOI: 10.1039/c9tc06187h

    Carbon dots functionalized papers for high-throughput sensing of 4-chloroethcathinone and its analogues in crime sites
    journal, September 2019

    • Yen, Yao-Te; Lin, Yu-Syuan; Chen, Ting-Yueh
    • Royal Society Open Science, Vol. 6, Issue 9
    • DOI: 10.1098/rsos.191017

    The Influence of Functional Group on Photoluminescence Properties of Carbon Dots
    journal, January 2019

    • Liang, Wenjuan; Li, Zhixi; Li, Hao
    • ECS Journal of Solid State Science and Technology, Vol. 8, Issue 12
    • DOI: 10.1149/2.0131912jss

    The One-Step Preparation of Green-Emissioned Carbon Dots through Hydrothermal Route and Its Application
    journal, April 2019


    Preparation and Characterization of Bacterial Cellulose-Carbon Dot Hybrid Nanopaper for Potential Sensing Applications
    journal, December 2018

    • Quraishi, Sakeena; Plappert, Sven; Ungerer, Bernhard
    • Applied Sciences, Vol. 9, Issue 1
    • DOI: 10.3390/app9010107