Convergent Electron Beam Induced Growth of Copper Nanostructures: Evidence of the Importance of a Soft Template

Ming Yu Yen; Ching Wen Chiu; Fu Rong Chen; Ji Jung Kai; Chi Young Lee; Hsin-Tien Chiu

doi:10.1021/la035470w

Convergent Electron Beam Induced Growth of Copper Nanostructures: Evidence of the Importance of a Soft Template

Ming Yu Yen, Ching Wen Chiu, Fu Rong Chen, Ji Jung Kai, Chi Young Lee, Hsin-Tien Chiu^*

^*Corresponding author for this work

Department of Applied Chemistry

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

31 Scopus citations

Abstract

In a transmission electron microscope, CuCl particles were irradiated by a convergent electron beam (CEB, 200 kV, 200 pA/cm², beam diameter of ca. 1-2 μm) to induce growth of copper nanostructures. Upon CEB irradiation, Cu nanoparticles (5-20 nm in diameter) were formed from commercial CuCl. Using synthesized CuCl encapsulated in permethylpolysilane, growth of polycrystalline copper nanowires (50-200 nm in diameter and up to 30 μm in length) was observed. Evolution of Cu nanoparticles from the synthesized CuCl was observed from the positions with apparent incomplete encapsulation. The effect of polymer encapsulation, acting as a soft template, is shown to be important to influence the nanostructure growth. The observation supports the vapor-solid reaction growth model.

Original language	English
Pages (from-to)	279-281
Number of pages	3
Journal	Langmuir
Volume	20
Issue number	2
DOIs	https://doi.org/10.1021/la035470w
State	Published - 20 Jan 2004

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title = "Convergent Electron Beam Induced Growth of Copper Nanostructures: Evidence of the Importance of a Soft Template",

abstract = "In a transmission electron microscope, CuCl particles were irradiated by a convergent electron beam (CEB, 200 kV, 200 pA/cm2, beam diameter of ca. 1-2 μm) to induce growth of copper nanostructures. Upon CEB irradiation, Cu nanoparticles (5-20 nm in diameter) were formed from commercial CuCl. Using synthesized CuCl encapsulated in permethylpolysilane, growth of polycrystalline copper nanowires (50-200 nm in diameter and up to 30 μm in length) was observed. Evolution of Cu nanoparticles from the synthesized CuCl was observed from the positions with apparent incomplete encapsulation. The effect of polymer encapsulation, acting as a soft template, is shown to be important to influence the nanostructure growth. The observation supports the vapor-solid reaction growth model.",

author = "Yen, {Ming Yu} and Chiu, {Ching Wen} and Chen, {Fu Rong} and Kai, {Ji Jung} and Lee, {Chi Young} and Hsin-Tien Chiu",

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T1 - Convergent Electron Beam Induced Growth of Copper Nanostructures

T2 - Evidence of the Importance of a Soft Template

AU - Yen, Ming Yu

AU - Chiu, Ching Wen

AU - Chen, Fu Rong

AU - Kai, Ji Jung

AU - Lee, Chi Young

AU - Chiu, Hsin-Tien

PY - 2004/1/20

Y1 - 2004/1/20

N2 - In a transmission electron microscope, CuCl particles were irradiated by a convergent electron beam (CEB, 200 kV, 200 pA/cm2, beam diameter of ca. 1-2 μm) to induce growth of copper nanostructures. Upon CEB irradiation, Cu nanoparticles (5-20 nm in diameter) were formed from commercial CuCl. Using synthesized CuCl encapsulated in permethylpolysilane, growth of polycrystalline copper nanowires (50-200 nm in diameter and up to 30 μm in length) was observed. Evolution of Cu nanoparticles from the synthesized CuCl was observed from the positions with apparent incomplete encapsulation. The effect of polymer encapsulation, acting as a soft template, is shown to be important to influence the nanostructure growth. The observation supports the vapor-solid reaction growth model.

AB - In a transmission electron microscope, CuCl particles were irradiated by a convergent electron beam (CEB, 200 kV, 200 pA/cm2, beam diameter of ca. 1-2 μm) to induce growth of copper nanostructures. Upon CEB irradiation, Cu nanoparticles (5-20 nm in diameter) were formed from commercial CuCl. Using synthesized CuCl encapsulated in permethylpolysilane, growth of polycrystalline copper nanowires (50-200 nm in diameter and up to 30 μm in length) was observed. Evolution of Cu nanoparticles from the synthesized CuCl was observed from the positions with apparent incomplete encapsulation. The effect of polymer encapsulation, acting as a soft template, is shown to be important to influence the nanostructure growth. The observation supports the vapor-solid reaction growth model.

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