Surfactant-directed synthesis of branched bismuth telluride/sulfide core/shell nanorods

Arup Purkayastha; Qingyu Yan; Makala S. Raghuveer; Darshan D. Gandhi; Huafang Li; Zhong W. Liu; Raju V. Ramanujan; Theodorian Borca-Tasciuc; Ganapathiraman Ramanath

doi:10.1002/adma.200702572

Surfactant-directed synthesis of branched bismuth telluride/sulfide core/shell nanorods

Arup Purkayastha^*, Qingyu Yan, Makala S. Raghuveer, Darshan D. Gandhi, Huafang Li, Zhong W. Liu, Raju V. Ramanujan, Theodorian Borca-Tasciuc, Ganapathiraman Ramanath

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

71 Citations (Scopus)

Abstract

A study was conducted to demonstrate a method to prepare core/shell bismuth telluride/bismuth sulfide nanorods with shell branching by using a biomolecular surfactant and L-glutathionic acid (LGTA). The crystallographic twinning of Bi₂S₃ can be driven by Bi-LGTA ligand desorption. The study synthesized core/shell Bi₂Te₃/Bi₂S ₃ and Bi₂Te₂S/Bi₂S₃ nanorods with a biomolecular surfactant. The unbranched nanorods was prepared at high LGTA concentrations and low temperatures. It was observed during the study that the presence of carboxyl, amine, and hydroxyl moieties on the nanorods surface can improve the self-organization and assembly of the nanorods by amidization and hydrogen bonding of functional groups.

Original language	English
Pages (from-to)	2679-2683
Number of pages	5
Journal	Advanced Materials
Volume	20
Issue number	14
DOIs	https://doi.org/10.1002/adma.200702572
Publication status	Published - Jul 17 2008
Externally published	Yes

ASJC Scopus Subject Areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

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title = "Surfactant-directed synthesis of branched bismuth telluride/sulfide core/shell nanorods",

abstract = "A study was conducted to demonstrate a method to prepare core/shell bismuth telluride/bismuth sulfide nanorods with shell branching by using a biomolecular surfactant and L-glutathionic acid (LGTA). The crystallographic twinning of Bi2S3 can be driven by Bi-LGTA ligand desorption. The study synthesized core/shell Bi2Te3/Bi2S 3 and Bi2Te2S/Bi2S3 nanorods with a biomolecular surfactant. The unbranched nanorods was prepared at high LGTA concentrations and low temperatures. It was observed during the study that the presence of carboxyl, amine, and hydroxyl moieties on the nanorods surface can improve the self-organization and assembly of the nanorods by amidization and hydrogen bonding of functional groups.",

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AU - Purkayastha, Arup

AU - Yan, Qingyu

AU - Raghuveer, Makala S.

AU - Gandhi, Darshan D.

AU - Li, Huafang

AU - Liu, Zhong W.

AU - Ramanujan, Raju V.

AU - Borca-Tasciuc, Theodorian

AU - Ramanath, Ganapathiraman

PY - 2008/7/17

Y1 - 2008/7/17

N2 - A study was conducted to demonstrate a method to prepare core/shell bismuth telluride/bismuth sulfide nanorods with shell branching by using a biomolecular surfactant and L-glutathionic acid (LGTA). The crystallographic twinning of Bi2S3 can be driven by Bi-LGTA ligand desorption. The study synthesized core/shell Bi2Te3/Bi2S 3 and Bi2Te2S/Bi2S3 nanorods with a biomolecular surfactant. The unbranched nanorods was prepared at high LGTA concentrations and low temperatures. It was observed during the study that the presence of carboxyl, amine, and hydroxyl moieties on the nanorods surface can improve the self-organization and assembly of the nanorods by amidization and hydrogen bonding of functional groups.

AB - A study was conducted to demonstrate a method to prepare core/shell bismuth telluride/bismuth sulfide nanorods with shell branching by using a biomolecular surfactant and L-glutathionic acid (LGTA). The crystallographic twinning of Bi2S3 can be driven by Bi-LGTA ligand desorption. The study synthesized core/shell Bi2Te3/Bi2S 3 and Bi2Te2S/Bi2S3 nanorods with a biomolecular surfactant. The unbranched nanorods was prepared at high LGTA concentrations and low temperatures. It was observed during the study that the presence of carboxyl, amine, and hydroxyl moieties on the nanorods surface can improve the self-organization and assembly of the nanorods by amidization and hydrogen bonding of functional groups.

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Surfactant-directed synthesis of branched bismuth telluride/sulfide core/shell nanorods

Abstract

ASJC Scopus Subject Areas

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