High-conductivity tellurium-based infrared transmitting glasses and their suitability for bio-optical detection

Zhiyong Yang, Allison A. Wilhelm, Pierre Lucas

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Many biological molecules carry a net surface charge and have the potential to be monitored in drinking water by electrodepositing them on an optical sensing element and measuring their spectroscopic fingerprints in the infrared (IR) spectral region. In this detection scheme, glasses with high conductivity and excellent IR transmitting property are essential. Therefore, it is necessary to develop suitable materials that combine these properties. In this paper, a series of high-conductivity IR transmitting glasses in Ge-As-Te and Ge-As-Te-Cu systems are reported. The conductivity, thermal stability, IR transmitting property, as well as chemical durability are studied. Their suitability for bio-optical detection applications is also evaluated. Some glasses in these two systems have relatively high conductivities (near 10-4 (Ω·cm)-1), and exhibit superior thermal stability, excellent IR transmitting property, as well as good chemical durability. The electro-deposition and spectroscopic tests of protein molecules indicate that these glasses are promising materials for bio-optical detection applications.

Original languageEnglish (US)
Pages (from-to)1941-1944
Number of pages4
JournalJournal of the American Ceramic Society
Volume93
Issue number7
DOIs
StatePublished - Jul 2010

Fingerprint

Tellurium
Infrared radiation
Glass
Durability
Thermodynamic stability
Molecules
Surface charge
Electrodeposition
Potable water
Drinking Water
Chemical properties
Proteins

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

Cite this

High-conductivity tellurium-based infrared transmitting glasses and their suitability for bio-optical detection. / Yang, Zhiyong; Wilhelm, Allison A.; Lucas, Pierre.

In: Journal of the American Ceramic Society, Vol. 93, No. 7, 07.2010, p. 1941-1944.

Research output: Contribution to journalArticle

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