Abstract

A novel strategy for an environmentally friendly etching process is proposed based on the vapor from hot electron-activated (HEA) water, in which, HEA water with a weakly hydrogen-bonded structure is neutral. Compared to the vapor from deionized (DI) water, the vapor from HEA water exhibits a facile etching process to a glass sheet after exposing it to vapor at room temperature. The etched glass sheet demonstrates a granular surface morphology with a hydrophobic structure. In addition, the resulting nanostructured glass shows a uniform signal intensity of surface-enhanced Raman scattering (SERS) of rhodamine 6G (R6G). This is favorable for developing reliable sensors. The adhesion of deposited metals on the etched glass is also enhanced. Furthermore, the distortion and reformation of the deposited gold nanoparticles (AuNPs) by vapor from HEA water were observed. It suggests that this vapor has higher energy than conventional DI water does. This innovative concept has emerged as a promising strategy for environmentally friendly nanostructured etching.

Original languageEnglish
Pages (from-to)3098-3105
Number of pages8
JournalGreen Chemistry
Volume18
Issue number10
DOIs
Publication statusPublished - 2016

Fingerprint

etching
Hot electrons
Etching
Vapors
electron
liquid
Water
Liquids
Glass
glass
Deionized water
water
Steam
Gold
Surface morphology
Raman scattering
Hydrogen
adhesion
Adhesion
Metals

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution

Cite this

An environmentally friendly etching agent : Vapor from hot electron-activated liquid water. / Chen, Hsiao Chien; Mai, Fu Der; Yang, Kuang Hsuan; Tsai, Hui Yen; Yang, Chih Ping; Chen, Chien Chung; Chen, Chao Hsuan; Liu, Yu Chuan.

In: Green Chemistry, Vol. 18, No. 10, 2016, p. 3098-3105.

Research output: Contribution to journalArticle

Chen, Hsiao Chien ; Mai, Fu Der ; Yang, Kuang Hsuan ; Tsai, Hui Yen ; Yang, Chih Ping ; Chen, Chien Chung ; Chen, Chao Hsuan ; Liu, Yu Chuan. / An environmentally friendly etching agent : Vapor from hot electron-activated liquid water. In: Green Chemistry. 2016 ; Vol. 18, No. 10. pp. 3098-3105.
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