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Thermally-induced reversible structural isomerization in colloidal semiconductor CdS magic-size clusters
Zhang, BW; Zhu, TT; Ou, MY; Rowell, N; Fan, HS; Han, JT; Tan, L; Dove, MT; Ren, Y; Zuo, XB; Han, S; Zeng, JR; Yu, K
2018
Source PublicationNATURE COMMUNICATIONS
ISSN2041-1723
Volume9Issue:-Pages:-
Subtype期刊论文
AbstractStructural isomerism of colloidal semiconductor nanocrystals has been largely unexplored. Here, we report one pair of structural isomers identified for colloidal nanocrystals which exhibit thermally-induced reversible transformations behaving like molecular isomerization. The two isomers are CdS magic-size clusters with sharp absorption peaks at 311 and 322 nm. They have identical cluster masses, but slightly different structures. Furthermore, their interconversions follow first-order unimolecular reaction kinetics. We anticipate that such isomeric kinetics are applicable to a variety of small-size functional nanomaterials, and that the methodology developed for our kinetic study will be helpful to investigate and exploit solid-solid transformations in other semiconductor nanocrystals. The findings on structural isomerism should stimulate attention toward advanced design and synthesis of functional nanomaterials enabled by structural transformations.
KeywordTOF MASS-SPECTROMETRY QUANTUM DOTS PHASE-TRANSFORMATIONS OPTICAL-PROPERTIES 2-STEP NUCLEATION ROOM-TEMPERATURE HIGH-PRESSURE NANOCRYSTALS GROWTH NANOPARTICLES
DOI10.1038/s41467-018-04842-0
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/31149
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Sichuan Univ, Inst Atom & Mol Phys, Chengdu 610065, Sichuan, Peoples R China
2.Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, Wuhan 430074, Hubei, Peoples R China
3.Natl Res Council Canada, Ottawa, ON K1A 0R6, Canada
4.Sichuan Univ, Engn Res Ctr Biomat, Chengdu 610065, Sichuan, Peoples R China
5.Queen Mary Univ London, Sch Phys & Astron, London E1 4NS, England
6.Sichuan Univ, Sch Phys Sci & Technol, Chengdu 610065, Sichuan, Peoples R China
7.Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Lemont, IL 60439 USA
8.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China
9.Sichuan Univ, Sch Chem Engn, Chengdu 610065, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Zhang, BW,Zhu, TT,Ou, MY,et al. Thermally-induced reversible structural isomerization in colloidal semiconductor CdS magic-size clusters[J]. NATURE COMMUNICATIONS,2018,9(-):-.
APA Zhang, BW.,Zhu, TT.,Ou, MY.,Rowell, N.,Fan, HS.,...&Yu, K.(2018).Thermally-induced reversible structural isomerization in colloidal semiconductor CdS magic-size clusters.NATURE COMMUNICATIONS,9(-),-.
MLA Zhang, BW,et al."Thermally-induced reversible structural isomerization in colloidal semiconductor CdS magic-size clusters".NATURE COMMUNICATIONS 9.-(2018):-.
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