Fabrication of a porous polyimide membrane using a silicon nanowire array as a template

Woong Kim; Myung Ki Lee

doi:10.1016/j.matlet.2009.01.060

Fabrication of a porous polyimide membrane using a silicon nanowire array as a template

Woong Kim, Myung Ki Lee

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

21 Citations (Scopus)

Abstract

We demonstrate that a porous polyimide membrane can be fabricated by curing liquid polyimide on a vertically oriented silicon nanowire array and selectively etching away the nanowire-array-template using xenon difluoride (XeF₂). Pore size and density using the described technique are controllable. The former is dependent on nanowire diameter and the duration of etching, whereas pore density is determined by silicon nanowire density. We believe that the described porous membrane fabrication method can be applied to various polymer and nanowire systems.

Original language	English
Pages (from-to)	933-936
Number of pages	4
Journal	Materials Letters
Volume	63
Issue number	11
DOIs	https://doi.org/10.1016/j.matlet.2009.01.060
Publication status	Published - 2009 Apr 30

Bibliographical note

Funding Information:
This work was supported in part by the Korea Science and Engineering Foundation through the Pioneer Converging Technology Program (No. M10711160001-08M1116-00110).

Keywords

Membranes
Nanomaterials
Nanowires
Polyimide
Polymers
Porosity

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/j.matlet.2009.01.060

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title = "Fabrication of a porous polyimide membrane using a silicon nanowire array as a template",

abstract = "We demonstrate that a porous polyimide membrane can be fabricated by curing liquid polyimide on a vertically oriented silicon nanowire array and selectively etching away the nanowire-array-template using xenon difluoride (XeF2). Pore size and density using the described technique are controllable. The former is dependent on nanowire diameter and the duration of etching, whereas pore density is determined by silicon nanowire density. We believe that the described porous membrane fabrication method can be applied to various polymer and nanowire systems.",

keywords = "Membranes, Nanomaterials, Nanowires, Polyimide, Polymers, Porosity",

author = "Woong Kim and Lee, {Myung Ki}",

note = "Funding Information: This work was supported in part by the Korea Science and Engineering Foundation through the Pioneer Converging Technology Program (No. M10711160001-08M1116-00110). ",

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doi = "10.1016/j.matlet.2009.01.060",

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journal = "Materials Letters",

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T1 - Fabrication of a porous polyimide membrane using a silicon nanowire array as a template

AU - Kim, Woong

AU - Lee, Myung Ki

N1 - Funding Information: This work was supported in part by the Korea Science and Engineering Foundation through the Pioneer Converging Technology Program (No. M10711160001-08M1116-00110).

PY - 2009/4/30

Y1 - 2009/4/30

N2 - We demonstrate that a porous polyimide membrane can be fabricated by curing liquid polyimide on a vertically oriented silicon nanowire array and selectively etching away the nanowire-array-template using xenon difluoride (XeF2). Pore size and density using the described technique are controllable. The former is dependent on nanowire diameter and the duration of etching, whereas pore density is determined by silicon nanowire density. We believe that the described porous membrane fabrication method can be applied to various polymer and nanowire systems.

AB - We demonstrate that a porous polyimide membrane can be fabricated by curing liquid polyimide on a vertically oriented silicon nanowire array and selectively etching away the nanowire-array-template using xenon difluoride (XeF2). Pore size and density using the described technique are controllable. The former is dependent on nanowire diameter and the duration of etching, whereas pore density is determined by silicon nanowire density. We believe that the described porous membrane fabrication method can be applied to various polymer and nanowire systems.

KW - Membranes

KW - Nanomaterials

KW - Nanowires

KW - Polyimide

KW - Polymers

KW - Porosity

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U2 - 10.1016/j.matlet.2009.01.060

DO - 10.1016/j.matlet.2009.01.060

M3 - Article

AN - SCOPUS:60649093665

SN - 0167-577X

VL - 63

SP - 933

EP - 936

JO - Materials Letters

JF - Materials Letters

IS - 11

ER -

Fabrication of a porous polyimide membrane using a silicon nanowire array as a template

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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