Uniform Large-Area Free-Standing Silver Nanowire Arrays on Transparent Conducting Substrates

verfasst von

Yuyi Feng, Kwang-Dae Kim, Clayton A. Nemitz, Paul Kim, Thomas Pfadler, Melanie Gerigk, Sebastian Polarz, James A. Dorman, Jonas Weickert, Lukas Schmidt-Mende

Abstract

Arrays of silver nanowires have received increasing attention in a variety of applications such as surface-enhanced Raman scattering (SERS), plasmonic biosensing and electrode for photoelectric devices. However, until now, large scale fabrication of device-suitable silver nanowire arrays on supporting substrates has seen very limited success. Here we show the synthesis of free-standing silver nanowire arrays on indium-tin oxide (ITO) coated glass by pulsed electrodeposition into anodic aluminum oxide (AAO) templates. We use an in situ oxygen plasma cleaning process and a sputtered Ti layer to enhance the adhesion between the template and ITO glass. An ultrathin gold layer (2 nm) is deposited as a nucleation layer for the electrodeposition of silver. An unprecedented high level of uniformity and control of the nanowire diameter, spacing and length has been achieved. The absorption measurements show that the free-standing silver nanowire arrays possess tunable plasmonic resonances.

Externe Organisation(en)

Universität Konstanz

Typ

Artikel

Journal

Journal of the Electrochemical Society

Band

163

Seiten

D447-D452

ISSN

0013-4651

Publikationsdatum

2016

Publikationsstatus

Veröffentlicht

Peer-reviewed

Ja

ASJC Scopus Sachgebiete

Elektronische, optische und magnetische Materialien, Erneuerbare Energien, Nachhaltigkeit und Umwelt, Oberflächen, Beschichtungen und Folien, Elektrochemie, Werkstoffchemie

Ziele für nachhaltige Entwicklung

SDG 7 – Erschwingliche und saubere Energie

Elektronische Version(en)

https://doi.org/10.1149/2.1141608jes (Zugang: Offen)