Investigation of nanopore evolution in ion track-etched polycarbonate membranes

被引：56

作者：

Cornelius, T. W. ^{[1
]}

Apel, P. Yu. ^{[2
]}

Schiedt, B. ^{[1
]}

Trautmann, C. ^{[1
]}

Toimil-Molares, M. E. ^{[1
]}

Karim, S. ^{[3
]}

Neumann, R. ^{[1
]}

机构：

[1] Gesell Schwerionenforsch GSI, D-64291 Darmstadt, Germany

[2] Joint Nucl Res Inst, Dubna, Russia

[3] Univ Marburg, Fachbereich Chem, D-35032 Marburg, Germany

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2007年 / 265卷 / 02期

关键词：

nanopore; polycarbonate; etching; ion track;

D O I：

10.1016/j.nimb.2007.10.004

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Single heavy ion tracks in polycarbonate foils were chemically etched in an electrolytical cell under various conditions (different temperatures, etchant concentrations, and applied potentials), and the pore evolution was monitored by measuring the current through the membrane. Different zones of the latent tracks could be identified via changes in the radial etching rate with time. Further it was found that the shape of the radial etching rate versus time curves depends on temperature, etchant concentration, and applied voltage. The functionalities are attributed to etching products (double-charged diphenylol-propane anions), which are adsorbed on the pore walls and, thus, affect the further etching process. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：553 / 557

页数：5

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