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Mimicking Stained Glass: A Hands-On Activity for the Preparation and Characterization of Silica Films Colored with Noble Metal Ions and Nanoparticles

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Title: Mimicking Stained Glass: A Hands-On Activity for the Preparation and Characterization of Silica Films Colored with Noble Metal Ions and Nanoparticles
Language: English
Authors: Cionti, Carolina, Stucchi, Marta, Meroni, Daniela (ORCID 0000-0002-3386-9293)
Source: Journal of Chemical Education. Mar 2022 99(3):1516-1522.
Availability: Division of Chemical Education, Inc. and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail: eic@jce.acs.org; Web site: http://pubs.acs.org/jchemeduc
Peer Reviewed: Y
Page Count: 7
Publication Date: 2022
Intended Audience: Teachers
Document Type: Journal Articles
Reports - Descriptive
Tests/Questionnaires
Education Level: Higher Education
Postsecondary Education
Secondary Education
Descriptors: Hands on Science, College Science, Secondary School Science, Color, Chemistry, Science Instruction, Structural Elements (Construction), Spectroscopy, Science Activities
DOI: 10.1021/acs.jchemed.1c01141
ISSN: 0021-9584
Abstract: We here propose a simple and fast hands-on activity requiring limited equipment, to introduce students of various levels (bachelor's or high school) and backgrounds (from science to arts) to the chemistry of color. The different colors of stained glass are replicated through the deposition, on ordinary glass slides, of silica coatings colored by addition of metal ions and nanoparticles. A silica sol is used as a matrix to embed metal ions, followed by an "in situ" reduction activated by thermal treatment on a hot plate. The formation of metal nanoparticles by this procedure induces plasmonic colors in the glass coating, thus "mimicking" the ancient procedure of stained-glass fabrication through a simple and quick method. Characterization of the colored glass by optical spectroscopy is also presented. This easily reproducible activity demonstrates basic concepts of redox reactions, chemistry of color, and plasmonic nanoparticles. Thanks to its interdisciplinary character and immediate and tangible results, this activity is well-suited for teaching laboratories for bachelor's and high school students as well as for public engagement activities.
Abstractor: As Provided
Entry Date: 2022
Accession Number: EJ1328624
Database: ERIC
FullText Text:
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  Data: Mimicking Stained Glass: A Hands-On Activity for the Preparation and Characterization of Silica Films Colored with Noble Metal Ions and Nanoparticles
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  Data: <searchLink fieldCode="AR" term="%22Cionti%2C+Carolina%22">Cionti, Carolina</searchLink><br /><searchLink fieldCode="AR" term="%22Stucchi%2C+Marta%22">Stucchi, Marta</searchLink><br /><searchLink fieldCode="AR" term="%22Meroni%2C+Daniela%22">Meroni, Daniela</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-3386-9293">0000-0002-3386-9293</externalLink>)
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  Data: <searchLink fieldCode="SO" term="%22Journal+of+Chemical+Education%22"><i>Journal of Chemical Education</i></searchLink>. Mar 2022 99(3):1516-1522.
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  Data: Division of Chemical Education, Inc. and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail: eic@jce.acs.org; Web site: http://pubs.acs.org/jchemeduc
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  Data: 10.1021/acs.jchemed.1c01141
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  Data: 0021-9584
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  Label: Abstract
  Group: Ab
  Data: We here propose a simple and fast hands-on activity requiring limited equipment, to introduce students of various levels (bachelor's or high school) and backgrounds (from science to arts) to the chemistry of color. The different colors of stained glass are replicated through the deposition, on ordinary glass slides, of silica coatings colored by addition of metal ions and nanoparticles. A silica sol is used as a matrix to embed metal ions, followed by an "in situ" reduction activated by thermal treatment on a hot plate. The formation of metal nanoparticles by this procedure induces plasmonic colors in the glass coating, thus "mimicking" the ancient procedure of stained-glass fabrication through a simple and quick method. Characterization of the colored glass by optical spectroscopy is also presented. This easily reproducible activity demonstrates basic concepts of redox reactions, chemistry of color, and plasmonic nanoparticles. Thanks to its interdisciplinary character and immediate and tangible results, this activity is well-suited for teaching laboratories for bachelor's and high school students as well as for public engagement activities.
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      – TitleFull: Mimicking Stained Glass: A Hands-On Activity for the Preparation and Characterization of Silica Films Colored with Noble Metal Ions and Nanoparticles
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