Photochromic Properties of Porous Glass Modified with Molybdenum Oxide Groups
Porous glass plates were modified via their interaction with molybdenum(V) chloride, followed by a treatment with humid air at 473°C. The extent of the reaction is characterized on the basis of IR spectra of OH groups on the starting glass surface and grafted layer. The photochromism of the resultin...
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| Veröffentlicht in: | Russian journal of applied chemistry 2018-03, Vol.91 (3), p.375-378 |
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| container_title | Russian journal of applied chemistry |
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| creator | Pak, V. N. Borisov, A. N. Tengerekova, G. G. |
| description | Porous glass plates were modified via their interaction with molybdenum(V) chloride, followed by a treatment with humid air at 473°C. The extent of the reaction is characterized on the basis of IR spectra of OH groups on the starting glass surface and grafted layer. The photochromism of the resulting plates is exhibited under their UV irradiation as a progressive blue coloration. The suggested photoreduction mechanism consists in splitting-off oxygen atoms from bridge bonds‒Mo‒O‒Mo‒, with transition of molybdenum atoms to the pentavalent state. The subsequent discoloration of the plates is provided by their heating in air at 473°C. The full reversibility of the photoreduction and oxidation processes is observed in their multiple repetitions. |
| doi_str_mv | 10.1134/S1070427218030047 |
| format | Article |
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N. ; Borisov, A. N. ; Tengerekova, G. G.</creator><creatorcontrib>Pak, V. N. ; Borisov, A. N. ; Tengerekova, G. G.</creatorcontrib><description>Porous glass plates were modified via their interaction with molybdenum(V) chloride, followed by a treatment with humid air at 473°C. The extent of the reaction is characterized on the basis of IR spectra of OH groups on the starting glass surface and grafted layer. The photochromism of the resulting plates is exhibited under their UV irradiation as a progressive blue coloration. The suggested photoreduction mechanism consists in splitting-off oxygen atoms from bridge bonds‒Mo‒O‒Mo‒, with transition of molybdenum atoms to the pentavalent state. The subsequent discoloration of the plates is provided by their heating in air at 473°C. The full reversibility of the photoreduction and oxidation processes is observed in their multiple repetitions.</description><identifier>ISSN: 1070-4272</identifier><identifier>EISSN: 1608-3296</identifier><identifier>DOI: 10.1134/S1070427218030047</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Chemical bonds ; Chemistry ; Chemistry and Materials Science ; Chemistry/Food Science ; Discoloration ; Glass plates ; Industrial Chemistry/Chemical Engineering ; Infrared spectroscopy ; Inorganic Synthesis and Industrial Inorganic Chemistry ; Molybdenum ; Molybdenum oxides ; Oxidation ; Oxygen atoms ; Photochemistry ; Photochromism ; Plates ; Ultraviolet radiation</subject><ispartof>Russian journal of applied chemistry, 2018-03, Vol.91 (3), p.375-378</ispartof><rights>Pleiades Publishing, Ltd. 2018</rights><rights>Copyright Springer Science & Business Media 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c305t-e3dddb39a3966d77c1bc38d68440efb748af61e9488f989bc325081a759be0043</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S1070427218030047$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S1070427218030047$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Pak, V. N.</creatorcontrib><creatorcontrib>Borisov, A. N.</creatorcontrib><creatorcontrib>Tengerekova, G. G.</creatorcontrib><title>Photochromic Properties of Porous Glass Modified with Molybdenum Oxide Groups</title><title>Russian journal of applied chemistry</title><addtitle>Russ J Appl Chem</addtitle><description>Porous glass plates were modified via their interaction with molybdenum(V) chloride, followed by a treatment with humid air at 473°C. The extent of the reaction is characterized on the basis of IR spectra of OH groups on the starting glass surface and grafted layer. The photochromism of the resulting plates is exhibited under their UV irradiation as a progressive blue coloration. The suggested photoreduction mechanism consists in splitting-off oxygen atoms from bridge bonds‒Mo‒O‒Mo‒, with transition of molybdenum atoms to the pentavalent state. The subsequent discoloration of the plates is provided by their heating in air at 473°C. The full reversibility of the photoreduction and oxidation processes is observed in their multiple repetitions.</description><subject>Chemical bonds</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Chemistry/Food Science</subject><subject>Discoloration</subject><subject>Glass plates</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Infrared spectroscopy</subject><subject>Inorganic Synthesis and Industrial Inorganic Chemistry</subject><subject>Molybdenum</subject><subject>Molybdenum oxides</subject><subject>Oxidation</subject><subject>Oxygen atoms</subject><subject>Photochemistry</subject><subject>Photochromism</subject><subject>Plates</subject><subject>Ultraviolet radiation</subject><issn>1070-4272</issn><issn>1608-3296</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1UE1LAzEQDaJgrf4AbwHPqzOb7CY5StEqtLSgnpfdTWJT2mZNdtH-e1MqeBBPM8P7mJlHyDXCLSLjdy8IAngucpTAALg4ISMsQWYsV-Vp6hOcHfBzchHjGgBUWcoRmS9XvvftKvita-ky-M6E3plIvaVLH_wQ6XRTx0jnXjvrjKafrl-labNvtNkNW7r4ctrQaaJ28ZKc2XoTzdVPHZO3x4fXyVM2W0yfJ_ezrGVQ9JlhWuuGqZqlI7QQLTYtk7qUnIOxjeCytiUaxaW0SqoE5gVIrEWhGpOeY2Nyc_Ttgv8YTOyrtR_CLq2scigQC1AcEwuPrDb4GIOxVRfctg77CqE6pFb9SS1p8qMmJu7u3YRf5_9F3z0KbdQ</recordid><startdate>20180301</startdate><enddate>20180301</enddate><creator>Pak, V. N.</creator><creator>Borisov, A. N.</creator><creator>Tengerekova, G. G.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20180301</creationdate><title>Photochromic Properties of Porous Glass Modified with Molybdenum Oxide Groups</title><author>Pak, V. N. ; Borisov, A. N. ; Tengerekova, G. G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c305t-e3dddb39a3966d77c1bc38d68440efb748af61e9488f989bc325081a759be0043</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Chemical bonds</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Chemistry/Food Science</topic><topic>Discoloration</topic><topic>Glass plates</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Infrared spectroscopy</topic><topic>Inorganic Synthesis and Industrial Inorganic Chemistry</topic><topic>Molybdenum</topic><topic>Molybdenum oxides</topic><topic>Oxidation</topic><topic>Oxygen atoms</topic><topic>Photochemistry</topic><topic>Photochromism</topic><topic>Plates</topic><topic>Ultraviolet radiation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pak, V. N.</creatorcontrib><creatorcontrib>Borisov, A. 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The extent of the reaction is characterized on the basis of IR spectra of OH groups on the starting glass surface and grafted layer. The photochromism of the resulting plates is exhibited under their UV irradiation as a progressive blue coloration. The suggested photoreduction mechanism consists in splitting-off oxygen atoms from bridge bonds‒Mo‒O‒Mo‒, with transition of molybdenum atoms to the pentavalent state. The subsequent discoloration of the plates is provided by their heating in air at 473°C. The full reversibility of the photoreduction and oxidation processes is observed in their multiple repetitions.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1070427218030047</doi><tpages>4</tpages></addata></record> |
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| subjects | Chemical bonds Chemistry Chemistry and Materials Science Chemistry/Food Science Discoloration Glass plates Industrial Chemistry/Chemical Engineering Infrared spectroscopy Inorganic Synthesis and Industrial Inorganic Chemistry Molybdenum Molybdenum oxides Oxidation Oxygen atoms Photochemistry Photochromism Plates Ultraviolet radiation |
| title | Photochromic Properties of Porous Glass Modified with Molybdenum Oxide Groups |
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