Consolidation of Tin Sulfide Chalcogels and Xerogels with and without Adsorbed Iodine

Brian J. Riley; David A. Pierce; William C. Lepry; Jared O. Kroll; Jaehun Chun; Kota Surya Subrahmanyam; Mercouri G Kanatzidis; Fares Khamis Alblouwy; Aneeruddha Bulbule; Edward M. Sabolsky

doi:10.1021/acs.iecr.5b02697

Consolidation of Tin Sulfide Chalcogels and Xerogels with and without Adsorbed Iodine

Brian J. Riley, David A. Pierce, William C. Lepry, Jared O. Kroll, Jaehun Chun, Kota Surya Subrahmanyam, Mercouri G Kanatzidis, Fares Khamis Alblouwy, Aneeruddha Bulbule, Edward M. Sabolsky

Northwestern University

Research output: Contribution to journal › Article

8 Citations (Scopus)

Abstract

Tin sulfide (Sn₂S₃) chalcogels are one of the most effective nonoxide aerogels evaluated to date for iodine gas capture. This is attributed to the fact that the Sn within the gel network has a strong affinity for chemisorption of iodine to form SnI₄. This study demonstrates an approach for consolidating the raw and iodine-sorbed Sn₂S₃ chalcogels into a chalcogenide glass using GeS₂ as a glass-forming additive. Adding GeS₂ to iodine-sorbed or iodine-free Sn₂S₃ chalcogels provides better glass formation than Sn-S or Sn-S-I alone, and the quantity of iodine measured in the bulk glass of the consolidated iodine-sorbed Sn₂S₃ chalcogel was at ∼45 mass%. Additional experiments were conducted using microwave sintering and hot isostatic pressing with iodine-sorbed Sn₂S₃ xerogels to evaluate alternative consolidation techniques.

Original language	English
Pages (from-to)	11259-11267
Number of pages	9
Journal	Industrial and Engineering Chemistry Research
Volume	54
Issue number	45
DOIs	https://doi.org/10.1021/acs.iecr.5b02697
Publication status	Published - Nov 5 2015

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ASJC Scopus subject areas

Chemical Engineering(all)
Chemistry(all)
Industrial and Manufacturing Engineering

Cite this

Riley, B. J., Pierce, D. A., Lepry, W. C., Kroll, J. O., Chun, J., Subrahmanyam, K. S., Kanatzidis, M. G., Alblouwy, F. K., Bulbule, A., & Sabolsky, E. M. (2015). Consolidation of Tin Sulfide Chalcogels and Xerogels with and without Adsorbed Iodine. Industrial and Engineering Chemistry Research, 54(45), 11259-11267. https://doi.org/10.1021/acs.iecr.5b02697

Consolidation of Tin Sulfide Chalcogels and Xerogels with and without Adsorbed Iodine. / Riley, Brian J.; Pierce, David A.; Lepry, William C.; Kroll, Jared O.; Chun, Jaehun; Subrahmanyam, Kota Surya; Kanatzidis, Mercouri G; Alblouwy, Fares Khamis; Bulbule, Aneeruddha; Sabolsky, Edward M.

In: Industrial and Engineering Chemistry Research, Vol. 54, No. 45, 05.11.2015, p. 11259-11267.

Research output: Contribution to journal › Article

Riley, Brian J. ; Pierce, David A. ; Lepry, William C. ; Kroll, Jared O. ; Chun, Jaehun ; Subrahmanyam, Kota Surya ; Kanatzidis, Mercouri G ; Alblouwy, Fares Khamis ; Bulbule, Aneeruddha ; Sabolsky, Edward M. / Consolidation of Tin Sulfide Chalcogels and Xerogels with and without Adsorbed Iodine. In: Industrial and Engineering Chemistry Research. 2015 ; Vol. 54, No. 45. pp. 11259-11267.

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AB - Tin sulfide (Sn2S3) chalcogels are one of the most effective nonoxide aerogels evaluated to date for iodine gas capture. This is attributed to the fact that the Sn within the gel network has a strong affinity for chemisorption of iodine to form SnI4. This study demonstrates an approach for consolidating the raw and iodine-sorbed Sn2S3 chalcogels into a chalcogenide glass using GeS2 as a glass-forming additive. Adding GeS2 to iodine-sorbed or iodine-free Sn2S3 chalcogels provides better glass formation than Sn-S or Sn-S-I alone, and the quantity of iodine measured in the bulk glass of the consolidated iodine-sorbed Sn2S3 chalcogel was at ∼45 mass%. Additional experiments were conducted using microwave sintering and hot isostatic pressing with iodine-sorbed Sn2S3 xerogels to evaluate alternative consolidation techniques.

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Access to Document

10.1021/acs.iecr.5b02697