Laser direct writing of crystalline Fe2O3 atomic sheets on steel surface in aqueous medium

Dong Lin, Prashant Kumar, Shengyu Jin, Shuo Liu, Qiong Nian, Gary J. Cheng

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

In this article, pulsed laser exposure on steel surface in aqueous medium was employed to achieve fast and scalable synthesis of highly dense iron oxide nanosheets. The growth mechanisms of this unique 2D nanocrystals have been studied systematically. The effects of laser processing conditions on growth of the 2D nanocrystals have been investigated. NanoStars and nanoflakes with different densities have been observed under various laser treatment conditions. It is noteworthy that laser acts as a catalyst for growth of iron oxide nanosheet. Nanocomposites of iron oxide nanosheets with graphene oxide (GO) were obtained and their adsorption capability for Rhodamine B molecules was investigated. The enhanced contact area between iron oxide sheets and graphene oxide, as observed in our experimental investigation would find applications in catalysis, water purification and many other emerging fields.

Original languageEnglish (US)
Pages (from-to)148-154
Number of pages7
JournalApplied Surface Science
Volume351
DOIs
StatePublished - Oct 1 2015
Externally publishedYes

Keywords

  • Aqueous medium
  • Laser direct writing
  • Nanosheets

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

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