Ag 7 Au 6 : A 13‐Atom Alloy Quantum Cluster | Zendy

Udayabhaskararao Thumu | Zendy; Sun Yan | Zendy; Goswami Nirmal | Zendy; Pal Samir K. | Zendy; Balasubramanian K. | Zendy; Pradeep Thalappil | Zendy

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Ag 7 Au 6 : A 13‐Atom Alloy Quantum Cluster

Author(s) -

Udayabhaskararao Thumu,

Sun Yan,

Goswami Nirmal,

Pal Samir K.,

Balasubramanian K.,

Pradeep Thalappil

Publication year - 2012

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201107696

Subject(s) - cluster (spacecraft) , icosahedral symmetry , alloy , atom (system on chip) , core (optical fiber) , galvanic cell , quantum , crystallography , quantum yield , materials science , chemistry , chemical physics , nanotechnology , physics , computer science , metallurgy , quantum mechanics , composite material , embedded system , programming language , fluorescence

An alloy cluster containing a 13‐atom core, with a composition Ag 7 Au 6 (H 2 MSA) 10 (H 2 MSA=mercaptosuccinic acid) was synthesized from silver clusters by a galvanic exchange reaction. The clusters were characterized by several spectroscopic and microscopic methods. The alloy cluster shows luminescence with a quantum yield of 3.5×10 −2 at room temperature. Theoretical calculations for Ag 7 Au 6 (SCH 3 ) 10 suggest a distorted icosahedral core.

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