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Near‐Infrared Luminescent Ternary Ag 3 SbS 3 Quantum Dots by in situ Conversion of Ag Nanocrystals with Sb(C 9 H 19 COOS) 3
Author(s) -
Di Qiumei,
Wang Juwen,
Zhao Zhengjing,
Liu Jiajia,
Xu Meng,
Liu Jia,
Rong Hongpan,
Chen Wenxing,
Zhang Jiatao
Publication year - 2018
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201804800
Subject(s) - ternary operation , nanocrystal , quantum dot , materials science , luminescence , colloid , in situ , dispersity , infrared , nanotechnology , optoelectronics , chemical engineering , chemistry , optics , polymer chemistry , organic chemistry , physics , computer science , programming language , engineering
Abstract Differently from the normal three single precursor method to produce colloidal ternary quantum dots (QDs), herein ternary Ag 3 SbS 3 quantum dots (QDs) with efficient near‐infrared (NIR) luminescence have been prepared by a new facile in situ conversion of Ag nanocrystals (NCs) with a binary Sb/S organic precursor Sb(C 9 H 19 COOS) 3 under low temperature. The unprecedented construction evolution from Ag NCs to Ag 3 SbS 3 /Ag hetero‐structure and final monodisperse Ag 3 SbS 3 QDs has been demonstrated. These novel Ag 3 SbS 3 QDs exhibit efficient NIR emission at ≈1263 nm and possess high colloidal stability.