Molecularly Protected Bismuth Telluride Nanoparticles: Microemulsion Synthesis and Thermoelectric Transport Properties

A room‐temperature microemulsion synthesis of molecularly capped bismuth telluride nanoparticles with small (average ca. 2.5 nm) diameters is reported (see figure). The use of thioglycolic acid ligands inhibits nanoparticle agglomeration and surface oxidation. Annealing the nanoparticle films to 350...

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Veröffentlicht in:	Advanced materials (Weinheim) 2006-11, Vol.18 (22), p.2958-2963
Hauptverfasser:	Purkayastha, A., Kim, S., Gandhi, D. D., Ganesan, P. G., Borca-Tasciuc, T., Ramanath, G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Assembly inorganic Nanoparticle assembly Nanoparticles Nanoparticles, inorganic Surface functionalization Thermoelectric materials
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container_title	Advanced materials (Weinheim)
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creator	Purkayastha, A. Kim, S. Gandhi, D. D. Ganesan, P. G. Borca-Tasciuc, T. Ramanath, G.
description	A room‐temperature microemulsion synthesis of molecularly capped bismuth telluride nanoparticles with small (average ca. 2.5 nm) diameters is reported (see figure). The use of thioglycolic acid ligands inhibits nanoparticle agglomeration and surface oxidation. Annealing the nanoparticle films to 350 ° C yields a Seebeck coefficient of – 107 μV K–1. The findings are attractive for realizing of high figure of merit thermoelectric materials via nanostructuring control over surface chemistry.
doi_str_mv	10.1002/adma.200600495
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subjects	Assembly inorganic Nanoparticle assembly Nanoparticles Nanoparticles, inorganic Surface functionalization Thermoelectric materials
title	Molecularly Protected Bismuth Telluride Nanoparticles: Microemulsion Synthesis and Thermoelectric Transport Properties
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