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Switching-On Quantum Size Effects in Silicon Nanocrystals

Title data

Sun, Wei ; Qian, Chenxi ; Wang, Liwei ; Wei, Muan ; Mastronardi, Melanie L. ; Casillas, Gilberto ; Breu, Josef ; Ozin, Geoffrey A.:
Switching-On Quantum Size Effects in Silicon Nanocrystals.
In: Advanced Materials. Vol. 27 (January 2015) Issue 4 . - pp. 746-749.
ISSN 1521-4095
DOI: https://doi.org/10.1002/adma.201403552

Abstract in another language

The size‐dependence of the absolute luminescence quantum yield of size‐separated silicon nanocrystals reveals a “volcano” behavior, which switches on around 5 nm, peaks at near 3.7–3.9 nm, and decreases thereafter. These three regions respectively define: i) the transition from bulk to strongly quantum confined emissive silicon, ii) increasing confinement enhancing radiative recombination, and iii) increasing contributions favoring non‐radiative recombination.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry I > Chair Inorganic Chemistry I - Univ.-Prof. Dr. Josef Breu
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie > SFB 840 - TP A 6
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry I
Research Institutions
Research Institutions > Collaborative Research Centers, Research Unit
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 29 Mar 2018 07:54
Last Modified: 29 Mar 2018 07:54
URI: https://eref.uni-bayreuth.de/id/eprint/43155