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DOI	10.1016/j.electacta.2020.136992
	Enhancing electrochemiluminescence of FAPbBr3 nanocrystals by using carbon nanotubes and TiO2 nanoparticles as conductivity and co-reaction accelerator for dopamine determination
	Wang X.; Yu L.; Kang Q.; Chen L.; Jin Y.; Zou G.; Shen D.
发表日期	2020
ISSN	134686
卷号	360
英文摘要	Perovskite nanocrystals (NCs) are regarded as potential candidates as electrochemiluminescence (ECL) emitters due to their excellent photoluminescence ability. Herein, we report the ECL behavior of FAPbBr3 NCs (FA stands for CH(NH2)2) in the aqueous media. It was shown that the ECL of FAPbBr3 NCs can be obtained by hole-injection to oxidize their reduced states, with the emission peak centered around 534±1 nm and the full width at half maximum of 31±0.5 nm. The annihilation ECL of FAPbBr3 NCs was 4.3± 0.4 folds enhanced by adding 8% (w/w) CNTs. In the presence of tripropanolamine (TPrA) as the co-reactant, the anodic ECL intensity of FAPbBr3 was enhanced by a factor of 29 in compared with its annihilation ECL. The ECL intensity of FAPbBr3 NCs was enhanced 4.8 and 10.6 folds by using TiO2 nanoparticles (NPs) as the co-reaction accelerator and CNTs as the conductivity enhancer, respectively. In the mixture of TiO2 NPs @FAPbBr3 NCs @CNTs, the enhancement in ECL intensity of FAPbBr3 NCs by a factor of 21.6 was obtained. The anodic ECL of TiO2 NP @FAPbBr3 NCs @CNTs/GCE was applied to determination dopamine in the linear range of 0.01–10 μM, with the detection limit of 2.9 nM. © 2020 Elsevier Ltd
英文关键词	Co-reaction accelerator; Dopamine determination; Electrochemiluminescence; Perovskite nanomaterial
scopus关键词	Amines; Carbon nanotubes; Lead compounds; Nanocrystals; Nanoparticles; Neurophysiology; Perovskite; TiO2 nanoparticles; Titanium dioxide; Detection limits; Electrochemiluminescence; Emission peaks; Hole injection; Nanocrystal (NCs); Nanoparticle (NPs); Reaction accelerators; Reduced-state; Bromine compounds
来源期刊	Electrochimica Acta
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/176747
作者单位	College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, the Key Lab in Molecular and Nano-materials Probes of the Ministry of Education of China, Shandong Normal University, Jinan, 250014, China; Shandong Peninsula Engineering Research Center of Comprehensive Brine Utilization, Weifang University of Science and Technology, Weifang, 262700, China; School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China
推荐引用方式 GB/T 7714	Wang X.,Yu L.,Kang Q.,et al. Enhancing electrochemiluminescence of FAPbBr3 nanocrystals by using carbon nanotubes and TiO2 nanoparticles as conductivity and co-reaction accelerator for dopamine determination[J],2020,360.
APA	Wang X..,Yu L..,Kang Q..,Chen L..,Jin Y..,...&Shen D..(2020).Enhancing electrochemiluminescence of FAPbBr3 nanocrystals by using carbon nanotubes and TiO2 nanoparticles as conductivity and co-reaction accelerator for dopamine determination.Electrochimica Acta,360.
MLA	Wang X.,et al."Enhancing electrochemiluminescence of FAPbBr3 nanocrystals by using carbon nanotubes and TiO2 nanoparticles as conductivity and co-reaction accelerator for dopamine determination".Electrochimica Acta 360(2020).