Chemical Synthesis of Binary Solid Solution Bismuth–Antimony Nanoparticles with Control of Composition and Morphology

Three chemical synthesis approaches were developed to obtain binary solid solution Bi–Sb nanoparticles (NP) with controllable compositions and sizes. In each synthesis approach, an array of Bi100−xSbx NPs with x ranging from 25 to 90 was synthesized via careful control of feeding ratios and syntheti...

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Bibliographic Details
Published in:Chemistry letters 2014-05, Vol.43 (5), p.615-617
Main Authors: Mai, Nguyen T, Kodaira, Satoru, Shahiduzzaman, Md, Mott, Derrick M, Maenosono, Shinya
Format: Article
Language:English
Subjects:
Arrays
Feeding
Nanoparticles
Seeds
Solid solutions
Stability
Synthesis
Thermoelectric materials
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Summary:Three chemical synthesis approaches were developed to obtain binary solid solution Bi–Sb nanoparticles (NP) with controllable compositions and sizes. In each synthesis approach, an array of Bi100−xSbx NPs with x ranging from 25 to 90 was synthesized via careful control of feeding ratios and synthetic conditions. The NP sizes can be varied from 30 to 60 nm for single-crystal NPs, and from 350 to 500 nm for polycrystal NPs. The synthesized Bi100−xSbx NPs can be used as thermoelectric materials or as seeds for growth of ternary solid solution Bi–Sb–Te NPs with different compositions.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.131186