Influence of annealing conditions on the optical and structural properties of spin-coated As2S3 chalcogenide glass thin films

Shanshan Song, Janesha Dua, Craig B. Arnold

Research output: Contribution to journalArticle

53 Scopus citations

Abstract

Spin-coating of chalcogenide glass is a low-cost, scalable method to create optical grade thin films, which are ideal for visible and infrared applications. In this paper, we study the influence of annealing on optical parameters of As2S3 films by examining UV-visible and infrared spectroscopy and correlating the results to changes in the physical properties associated with solvent removal. Evaporation of excess solvent results in a more highly coordinated, denser glass network with higher index and lower absorption. Depending on the annealing temperature and time, index values ranging from n = 2.1 to the bulk value (n = 2.4) can be obtained, enabling a pathway to materials optimization.

Original languageEnglish (US)
Pages (from-to)5472-5480
Number of pages9
JournalOptics Express
Volume18
Issue number6
DOIs
StatePublished - Mar 15 2010

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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