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A General Method Towards Efficient Synthesis and Fluorescence Tuning of Carbon Black-Derived Carbon Dots via Controlled Liquid Oxidization
Yuan, Haoran1,2; Li, Denian1,2; Liu, Yan3,4; Xiong, Chuanxi3,4,5
2015
Source PublicationAUSTRALIAN JOURNAL OF CHEMISTRY
Volume68Issue:9Pages:1446-1454
AbstractEfficient synthesis and controlled modification of carbon dots (CDs) with tuneable properties on the basis of facile technical routes are of great significance for user-defined applications as well as more insightful understanding of the unique fluorescence from carbon nanomaterials. In this work, we report an improved nitric acid oxidization method towards low-cost and rapid preparation of fluorescent CDs. This is achieved by using industrial carbon black specimens as the precursor and implementing a reduced pressure distillation for the purpose of eliminating excessive acids. Unexpectedly, the product exhibits an interesting dual luminescence behaviour with tuneable characteristics that differs from all previously reported CDs. The strongest emissions at fixed or varied excitations can be simultaneously tuned from blue to green or yellow by simply prolonging the time of acid oxidization. These emissions show distinct stabilities in acid and alkaline environments, thereby making the resultant CDs very promising candidates for pH probes. It is further revealed that this simple synthesis and fluorescence tuning strategy is also applicable to CDs from other carbon blacks.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1071/CH15014
WOS Subject ExtendedChemistry
WOS KeywordGRAPHENE QUANTUM DOTS ; BAND-GAP ; NANOTUBES ; PHOTOLUMINESCENCE ; NANOPARTICLES ; FACILE ; SHEETS ; OXIDE ; SOOT
Indexed BySCI
Language英语
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000360990400019
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10859
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
3.Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
4.Wuhan Univ Technol, Sch Mat Sci & Engn, Wuhan 430070, Peoples R China
5.Wuhan Text Univ, Sch Mat Sci & Engn, Wuhan 430070, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yuan, Haoran,Li, Denian,Liu, Yan,et al. A General Method Towards Efficient Synthesis and Fluorescence Tuning of Carbon Black-Derived Carbon Dots via Controlled Liquid Oxidization[J]. AUSTRALIAN JOURNAL OF CHEMISTRY,2015,68(9):1446-1454.
APA Yuan, Haoran,Li, Denian,Liu, Yan,&Xiong, Chuanxi.(2015).A General Method Towards Efficient Synthesis and Fluorescence Tuning of Carbon Black-Derived Carbon Dots via Controlled Liquid Oxidization.AUSTRALIAN JOURNAL OF CHEMISTRY,68(9),1446-1454.
MLA Yuan, Haoran,et al."A General Method Towards Efficient Synthesis and Fluorescence Tuning of Carbon Black-Derived Carbon Dots via Controlled Liquid Oxidization".AUSTRALIAN JOURNAL OF CHEMISTRY 68.9(2015):1446-1454.
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