Silicon-hybrid carbon dots derived from rice husk: promising fluorescent probes for trivalent rare earth element ions in aqueous media

doi:10.1039/d1nj04556c

GIEC OpenIR

	Silicon-hybrid carbon dots derived from rice husk: promising fluorescent probes for trivalent rare earth element ions in aqueous media
	Chu, Xu 2; Cao, Yan 1,2,3,4
	2021-10-02
发表期刊	NEW JOURNAL OF CHEMISTRY
ISSN	1144-0546
页码	11
通讯作者	Cao, Yan(caoyan@ms.giec.ac.cn)
摘要	Silicon-hybrid carbon dots (Si-CDs) was synthesized using rice husk as a raw material via a carbonization and acid-cutting method. The as-prepared Si-CDs could be well dispersed in water and exhibits unique blue photoluminescence emission. Furthermore, the Si-CDs notably distinguished between four groups of trivalent rare earth elements ions (REEs). The fluorescence mechanisms behind this were likely due to not only the different fluorescence quenching effects of the REEs, but also that the Si-CDs could transfer the absorbed energy to Tb3+, Eu3+ and Dy3+ ions to enhance their characteristic fluorescence emission intensity. The fluorescence intensity ratio (F-546/FSi-CD) exhibited a good linear relationship in the Tb3+ concentration range from 1 to 12 mu M with a detection limit of about 3.24 nM, and performed satisfactorily in real water samples. In the meantime, a linear relationship was also achieved at wavelengths of 616 nm or 575 nm, correlated with the fluorescence intensity and concentrations of Eu3+ or Dy3+ in the ranges of 1-16 mu M or 4-30 mu M, and the detection limit achieved was 0.15 mu M or 2.43 mu M, respectively. Therefore, the as-prepared Si-CDs could be a potential material for the qualitative and quantitative fluorescent probing of REEs.
DOI	10.1039/d1nj04556c
关键词[WOS]	GRAPHENE QUANTUM DOTS ; DETERMINING TRACE AMOUNTS ; NANOPARTICLES ; FRAMEWORKS ; EUROPIUM ; TERBIUM ; ANTENNA ; FACILE ; SYSTEM
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[22178339] ; Hundred Talents Program (A) of the Chinese Academy of Sciences
WOS研究方向	Chemistry
项目资助者	National Natural Science Foundation of China ; Hundred Talents Program (A) of the Chinese Academy of Sciences
WOS类目	Chemistry, Multidisciplinary
WOS记录号	WOS:000709364300001
出版者	ROYAL SOC CHEMISTRY
引用统计	被引频次：5[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.giec.ac.cn/handle/344007/35131
专题	中国科学院广州能源研究所
通讯作者	Cao, Yan
作者单位	1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Wushan, Peoples R China 2.Anhui Univ, Coll Chem & Chem Engn, Hefei 230601, Peoples R China 3.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Peoples R China 4.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China
推荐引用方式 GB/T 7714	Chu, Xu,Cao, Yan. Silicon-hybrid carbon dots derived from rice husk: promising fluorescent probes for trivalent rare earth element ions in aqueous media[J]. NEW JOURNAL OF CHEMISTRY,2021:11.
APA	Chu, Xu,&Cao, Yan.(2021).Silicon-hybrid carbon dots derived from rice husk: promising fluorescent probes for trivalent rare earth element ions in aqueous media.NEW JOURNAL OF CHEMISTRY,11.
MLA	Chu, Xu,et al."Silicon-hybrid carbon dots derived from rice husk: promising fluorescent probes for trivalent rare earth element ions in aqueous media".NEW JOURNAL OF CHEMISTRY (2021):11.