Probing nanoconfined water in zeolite cages: H atom dynamics and spectroscopy
Time-resolved and CW EPR were used to study radiolytically generated H atoms in water/ice nanoclusters in NaA, NaX, NaY, and HY zeolites. H atoms dynamic properties and spectroscopy parameters are sensitive to the structural changes of water due to the nanoconfinement. Transient H atoms in HY and Na...
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| Veröffentlicht in: | Chemical physics letters 2001-10, Vol.347 (1), p.65-72 |
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| container_title | Chemical physics letters |
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| creator | Chemerisov, S.D Trifunac, A.D |
| description | Time-resolved and CW EPR were used to study radiolytically generated H atoms in water/ice nanoclusters in NaA, NaX, NaY, and HY zeolites. H atoms dynamic properties and spectroscopy parameters are sensitive to the structural changes of water due to the nanoconfinement. Transient H atoms in HY and NaY zeolites segregate into two different domains: sodalite and super cages. In NaX zeolite only H atoms from super cages were observed. H atoms are created in both silica phase and adsorbed water by radiolytic processes. The decay of H atoms occurs predominantly via reaction with the radiation-induced defects in silica. |
| doi_str_mv | 10.1016/S0009-2614(01)01009-0 |
| format | Article |
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The decay of H atoms occurs predominantly via reaction with the radiation-induced defects in silica.</description><subject>Atomic and molecular physics</subject><subject>ATOMS</subject><subject>Chemistry</subject><subject>DECAY</subject><subject>DEFECTS</subject><subject>Electron resonance and relaxation</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>Molecular properties and interactions with photons</subject><subject>NEUTRON ACTIVATION ANALYSIS</subject><subject>Physical chemistry of induced reactions (with radiations, particles and ultrasonics)</subject><subject>Physics</subject><subject>Radiation chemistry</subject><subject>SILICA</subject><subject>SPECTROSCOPY</subject><subject>TRANSIENTS</subject><subject>WATER</subject><subject>ZEOLITES</subject><issn>0009-2614</issn><issn>1873-4448</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEQhoMoWKs_QYgHQQ-rmXx0u15EilqhoqCeQ3Y2WyNtUpJFqb_erBU9ehoGnjfz5CXkENgZMBidPzHGqoKPQJ4wOGXQb2yLDGBcikJKOd4mg19kl-yl9JZXEAoG5P4xhtr5OfXGBwy-dd429MN0NlLn6acNC9dZimZu0wWdUtOFJW3W3iwdJmp8Q9PKYhdDwrBa75Od1iySPfiZQ_Jyc_08mRazh9u7ydWsQMmrrqgElKpUvOXAxhI5r2xtjZUlqAbLWkJd18oohLFQXNUNKhRGqlY0Vc2UlWJIjjbvhtQ5nTAr4mu291lFV7ISnGdGbRjMcinaVq-iW5q41sB035v-7k33pWgG-rs3zXLueJNbmYRm0Ubj0aW_sAQmGROZu9xwNn_03dnYe1iPtnGx12iC--fSF0wPgTA</recordid><startdate>20011019</startdate><enddate>20011019</enddate><creator>Chemerisov, S.D</creator><creator>Trifunac, A.D</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>20011019</creationdate><title>Probing nanoconfined water in zeolite cages: H atom dynamics and spectroscopy</title><author>Chemerisov, S.D ; Trifunac, A.D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c429t-93175752f21084c229ebeae4715dc7b41bbb5a5c183525bdc5c3a45f3d9b05e43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Atomic and molecular physics</topic><topic>ATOMS</topic><topic>Chemistry</topic><topic>DECAY</topic><topic>DEFECTS</topic><topic>Electron resonance and relaxation</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>Molecular properties and interactions with photons</topic><topic>NEUTRON ACTIVATION ANALYSIS</topic><topic>Physical chemistry of induced reactions (with radiations, particles and ultrasonics)</topic><topic>Physics</topic><topic>Radiation chemistry</topic><topic>SILICA</topic><topic>SPECTROSCOPY</topic><topic>TRANSIENTS</topic><topic>WATER</topic><topic>ZEOLITES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chemerisov, S.D</creatorcontrib><creatorcontrib>Trifunac, A.D</creatorcontrib><creatorcontrib>Argonne National Lab. (ANL), Argonne, IL (United States)</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Chemical physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chemerisov, S.D</au><au>Trifunac, A.D</au><aucorp>Argonne National Lab. (ANL), Argonne, IL (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Probing nanoconfined water in zeolite cages: H atom dynamics and spectroscopy</atitle><jtitle>Chemical physics letters</jtitle><date>2001-10-19</date><risdate>2001</risdate><volume>347</volume><issue>1</issue><spage>65</spage><epage>72</epage><pages>65-72</pages><issn>0009-2614</issn><eissn>1873-4448</eissn><coden>CHPLBC</coden><abstract>Time-resolved and CW EPR were used to study radiolytically generated H atoms in water/ice nanoclusters in NaA, NaX, NaY, and HY zeolites. H atoms dynamic properties and spectroscopy parameters are sensitive to the structural changes of water due to the nanoconfinement. Transient H atoms in HY and NaY zeolites segregate into two different domains: sodalite and super cages. In NaX zeolite only H atoms from super cages were observed. H atoms are created in both silica phase and adsorbed water by radiolytic processes. The decay of H atoms occurs predominantly via reaction with the radiation-induced defects in silica.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/S0009-2614(01)01009-0</doi><tpages>8</tpages></addata></record> |
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| ispartof | Chemical physics letters, 2001-10, Vol.347 (1), p.65-72 |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Atomic and molecular physics ATOMS Chemistry DECAY DEFECTS Electron resonance and relaxation Exact sciences and technology General and physical chemistry INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY Molecular properties and interactions with photons NEUTRON ACTIVATION ANALYSIS Physical chemistry of induced reactions (with radiations, particles and ultrasonics) Physics Radiation chemistry SILICA SPECTROSCOPY TRANSIENTS WATER ZEOLITES |
| title | Probing nanoconfined water in zeolite cages: H atom dynamics and spectroscopy |
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