In situ formation of bismuth nanoparticles through electron-beam irradiation in a transmission electron microscope

S. Sepulveda-Guzman; N. Elizondo-Villarreal; D. Ferrer; A. Torres-Castro; X. Gao; J. P. Zhou; M. Jose-Yacaman

doi:10.1088/0957-4484/18/33/335604

In situ formation of bismuth nanoparticles through electron-beam irradiation in a transmission electron microscope

S. Sepulveda-Guzman, N. Elizondo-Villarreal, D. Ferrer, A. Torres-Castro, X. Gao, J. P. Zhou, M. Jose-Yacaman

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

67 Scopus citations

Abstract

In this work, bismuth nanoparticles were synthesized when a precursor, sodium bismuthate, was exposed to an electron beam at room temperature in a transmission electron microscope (TEM). The irradiation effects were investigated in situ using selected-area electron diffraction, high-resolution transmission electron microscopy and x-ray energy dispersive spectroscopy. After the electron irradiation, bismuth nanoparticles with a rhombohedral structure and diameter of 6 nm were observed. The average particle size increased with the irradiation time. The electron-induced reduction is attributed to the desorption of oxygen ions. This method offers a one-step route to synthesize bismuth nanoparticles using electron irradiation, and the particle size can be controlled by the irradiation time.

Original language	English (US)
Article number	335604
Journal	Nanotechnology
Volume	18
Issue number	33
DOIs	https://doi.org/10.1088/0957-4484/18/33/335604
State	Published - Aug 22 2007
Externally published	Yes

ASJC Scopus subject areas

Bioengineering
General Chemistry
General Materials Science
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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10.1088/0957-4484/18/33/335604

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title = "In situ formation of bismuth nanoparticles through electron-beam irradiation in a transmission electron microscope",

abstract = "In this work, bismuth nanoparticles were synthesized when a precursor, sodium bismuthate, was exposed to an electron beam at room temperature in a transmission electron microscope (TEM). The irradiation effects were investigated in situ using selected-area electron diffraction, high-resolution transmission electron microscopy and x-ray energy dispersive spectroscopy. After the electron irradiation, bismuth nanoparticles with a rhombohedral structure and diameter of 6 nm were observed. The average particle size increased with the irradiation time. The electron-induced reduction is attributed to the desorption of oxygen ions. This method offers a one-step route to synthesize bismuth nanoparticles using electron irradiation, and the particle size can be controlled by the irradiation time.",

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T1 - In situ formation of bismuth nanoparticles through electron-beam irradiation in a transmission electron microscope

AU - Sepulveda-Guzman, S.

AU - Elizondo-Villarreal, N.

AU - Ferrer, D.

AU - Torres-Castro, A.

AU - Gao, X.

AU - Zhou, J. P.

AU - Jose-Yacaman, M.

PY - 2007/8/22

Y1 - 2007/8/22

N2 - In this work, bismuth nanoparticles were synthesized when a precursor, sodium bismuthate, was exposed to an electron beam at room temperature in a transmission electron microscope (TEM). The irradiation effects were investigated in situ using selected-area electron diffraction, high-resolution transmission electron microscopy and x-ray energy dispersive spectroscopy. After the electron irradiation, bismuth nanoparticles with a rhombohedral structure and diameter of 6 nm were observed. The average particle size increased with the irradiation time. The electron-induced reduction is attributed to the desorption of oxygen ions. This method offers a one-step route to synthesize bismuth nanoparticles using electron irradiation, and the particle size can be controlled by the irradiation time.

AB - In this work, bismuth nanoparticles were synthesized when a precursor, sodium bismuthate, was exposed to an electron beam at room temperature in a transmission electron microscope (TEM). The irradiation effects were investigated in situ using selected-area electron diffraction, high-resolution transmission electron microscopy and x-ray energy dispersive spectroscopy. After the electron irradiation, bismuth nanoparticles with a rhombohedral structure and diameter of 6 nm were observed. The average particle size increased with the irradiation time. The electron-induced reduction is attributed to the desorption of oxygen ions. This method offers a one-step route to synthesize bismuth nanoparticles using electron irradiation, and the particle size can be controlled by the irradiation time.

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In situ formation of bismuth nanoparticles through electron-beam irradiation in a transmission electron microscope

Abstract

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