The Effects of Organic Vapor on Alkanethiol Deposition via Dip-Pen Nanolithography

被引：7

作者：

Salaita, Khalid ^{[1
,2
]}

Amarnath, Anand ^{[3
]}

Higgins, Thomas B. ^{[3
]}

Mirkin, Chad A. ^{[1
,2
]}

机构：

[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

[2] Northwestern Univ, Int Inst Nanotechnol, Evanston, IL 60208 USA

[3] Harold Washington Coll, Dept Phys Sci, Chicago, IL USA

来源：

SCANNING | 2010年 / 32卷 / 01期

基金：

美国国家科学基金会;

关键词：

DPN; AFM; nanoscale transport; self-assembled monolayer; alkanethiol; MOLECULAR-TRANSPORT; MENISCUS FORMATION; FORCE; NANOSTRUCTURES; TIP; EVOLUTION; DIFFUSION; PROTEINS; SILICON;

D O I：

10.1002/sca.20179

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Dip-pen nanolithography (DPN) is a scanning probe-based technique that allows for direct delivery of molecules to a range of substrates with sub-50 nm resolution. This study describes the effect of organic solvent vapor on the deposition rate and feature size of nanostructures deposited via DPN. The transport rate of model molecular inks, 1-octadecanethiol, and 16-mercaptohexadecanoic acid were examined under atmospheres of ethanol, methanol, hexane, and dichloromethane. In all cases, presence of an organic vapor increased deposition rate and feature size, in some cases by an order of magnitude. This underscores how the environment can be used to regulate molecular transport rates in a DPN experiment. SCANNING 32: 9-14, 2010. (C) 2010 Wiley Periodicals, Inc.

引用

页码：9 / 14

页数：6

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