A multifunctional nanoporous layer created on glass through a simple alkali corrosion process

Junjie Xiong, Sachindra Nath Das, Jyoti Prakash Kar, Ji Hyuk Choi, Jae Min Myoung

Research output: Contribution to journalArticlepeer-review

58 Citations (Scopus)

Abstract

Transparency of the glass substrate plays an important role in the performance of many optical and electronic devices. Herein, the authors have demonstrated a simple method to create a high performance wide-range anti-reflection layer on a glass surface by "carving" it with a hot alkali solution (95 °C). Morphology, composition, surface and optical properties were controlled by changing both the original composition of the glass substrates and etching time. Enhanced transparency (up to 97.7%) was achieved in a wide wavelength range. Superhydrophilic and antifogging properties were also demonstrated, which provide an advantage for optical and opto-electrical devices operating outdoors, in high humidity environments or underwater. In addition, the etched glass surfaces were modified to become hydrophobic (even superhydrophobic) by n-octadecyltrichlorosilane treatment. The glass etching mechanism was investigated and verified using energy dispersive spectra (EDS) and Fourier transform infrared (FTIR) absorption spectra analyses.

Original languageEnglish
Pages (from-to)10246-10252
Number of pages7
JournalJournal of Materials Chemistry
Volume20
Issue number45
DOIs
Publication statusPublished - 2010 Dec 7

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Chemistry

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