Ag/Tio2 Nano Thin Films Catalyzed Efficient Synthesis of 6-Amino-4-Aryl-3-Methyl-1,4-Dihydropyrano[2,3-C] Pyrazole-5-Carbonitriles At Green Conditions
Ag/TiO2 nano thin films was found to be efficient and green heterogeneous catalyst for the synthesis of dihydropyrano[2,3-c]pyrazole derivatives via a one-pot three-component reaction between 3-methyl-1H-pyrazol-5(4H)-one or 3-methyl-1(phenyl)-pyrazol-5(4H)-one, aldehydes and malononitrile at room t...
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| Veröffentlicht in: | Oriental journal of chemistry 2017, Vol.33 (2), p.814-820 |
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| container_title | Oriental journal of chemistry |
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| creator | Irani, Sharmin Taher Maghsoodlou, Malek Saeed Hadavi, M. Hazeri, Nourallah Lashkari, Mojtaba |
| description | Ag/TiO2 nano thin films was found to be efficient and green heterogeneous catalyst for the synthesis of dihydropyrano[2,3-c]pyrazole derivatives via a one-pot three-component reaction between 3-methyl-1H-pyrazol-5(4H)-one or 3-methyl-1(phenyl)-pyrazol-5(4H)-one, aldehydes and malononitrile at room temperature. Ag/TiO2 and TiO2 films were prepared by spray pyrolysis technique and the effect of substrate temperature and silver incorporation on optical, morphological and structural properties were investigated by XRD, AFM, spectrophotometry and photoluminescent spectroscopy. The results of this study shows adding of Ag to TiO2 films increased the optical absorption due to plasmonic behavior of Ag free electrons. XRD analysis was revealed the Hexagonal structure with Anatase phase and 101 prefer crystal orientation which is prefer phase for photocatalyst applications. |
| doi_str_mv | 10.13005/ojc/330229 |
| format | Article |
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Ag/TiO2 and TiO2 films were prepared by spray pyrolysis technique and the effect of substrate temperature and silver incorporation on optical, morphological and structural properties were investigated by XRD, AFM, spectrophotometry and photoluminescent spectroscopy. The results of this study shows adding of Ag to TiO2 films increased the optical absorption due to plasmonic behavior of Ag free electrons. XRD analysis was revealed the Hexagonal structure with Anatase phase and 101 prefer crystal orientation which is prefer phase for photocatalyst applications.</description><identifier>ISSN: 0970-020X</identifier><identifier>EISSN: 2231-5039</identifier><identifier>DOI: 10.13005/ojc/330229</identifier><language>eng</language><publisher>Bhopal: Oriental Scientific Publishing Company</publisher><subject>Aldehydes ; Anatase ; Aromatic compounds ; Catalysis ; Chemical synthesis ; Crystal structure ; Efficiency ; Free electrons ; Malononitrile ; Optical properties ; Pharmaceutical industry ; Pharmaceutical sciences ; Photoluminescence ; Pyrazole ; Silver ; Spectrophotometry ; Spray pyrolysis ; Substrates ; Thin films ; Titanium dioxide</subject><ispartof>Oriental journal of chemistry, 2017, Vol.33 (2), p.814-820</ispartof><rights>2017. This work is published under http://creativecommons.org/licenses/by-nc-sa/4.0/ (the “License”). 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Ag/TiO2 and TiO2 films were prepared by spray pyrolysis technique and the effect of substrate temperature and silver incorporation on optical, morphological and structural properties were investigated by XRD, AFM, spectrophotometry and photoluminescent spectroscopy. The results of this study shows adding of Ag to TiO2 films increased the optical absorption due to plasmonic behavior of Ag free electrons. XRD analysis was revealed the Hexagonal structure with Anatase phase and 101 prefer crystal orientation which is prefer phase for photocatalyst applications.</description><subject>Aldehydes</subject><subject>Anatase</subject><subject>Aromatic compounds</subject><subject>Catalysis</subject><subject>Chemical synthesis</subject><subject>Crystal structure</subject><subject>Efficiency</subject><subject>Free electrons</subject><subject>Malononitrile</subject><subject>Optical properties</subject><subject>Pharmaceutical industry</subject><subject>Pharmaceutical sciences</subject><subject>Photoluminescence</subject><subject>Pyrazole</subject><subject>Silver</subject><subject>Spectrophotometry</subject><subject>Spray pyrolysis</subject><subject>Substrates</subject><subject>Thin films</subject><subject>Titanium dioxide</subject><issn>0970-020X</issn><issn>2231-5039</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNotkM1KAzEUhYMoWGpXvkDApY29-ZmZZjmMbRXqD9iFIDJMM4lNmSY1mS6mD-LzOljv5twDh3PgQ-iawh3lAMnEb9WEc2BMnqEBY5ySBLg8RwOQGRBg8H6JRjFuoT8peEqTAfrJvyYr6xl-rpzHq411eG6bXcRF1VZNd9Q1nhljldWuxW-dazc62oi9wSnJd9Z5IkgeuoZw8qTbTf_QsSD3dtPVwe-70Ld-sDEnxSd-7d3RN5okpKjC2jvbBtvoiPMWL4LWDhfe1ba13sUrdGGqJurRvw7Raj5bFQ9k-bJ4LPIlUYxySbjk66oWkmvJp9SodVpJlupaaCVVIhQkGTWpEACCgjEpZFpliibUTKlcJ3yIbk61--C_Dzq25dYfgusXS0ZpxnpOwPvU7Smlgo8xaFPug91VoSsplH_oyx59eULPfwFMmXTc</recordid><startdate>2017</startdate><enddate>2017</enddate><creator>Irani, Sharmin</creator><creator>Taher Maghsoodlou, Malek</creator><creator>Saeed Hadavi, M.</creator><creator>Hazeri, Nourallah</creator><creator>Lashkari, Mojtaba</creator><general>Oriental Scientific Publishing Company</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>2017</creationdate><title>Ag/Tio2 Nano Thin Films Catalyzed Efficient Synthesis of 6-Amino-4-Aryl-3-Methyl-1,4-Dihydropyrano[2,3-C] Pyrazole-5-Carbonitriles At Green Conditions</title><author>Irani, Sharmin ; 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Ag/TiO2 and TiO2 films were prepared by spray pyrolysis technique and the effect of substrate temperature and silver incorporation on optical, morphological and structural properties were investigated by XRD, AFM, spectrophotometry and photoluminescent spectroscopy. The results of this study shows adding of Ag to TiO2 films increased the optical absorption due to plasmonic behavior of Ag free electrons. XRD analysis was revealed the Hexagonal structure with Anatase phase and 101 prefer crystal orientation which is prefer phase for photocatalyst applications.</abstract><cop>Bhopal</cop><pub>Oriental Scientific Publishing Company</pub><doi>10.13005/ojc/330229</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aldehydes Anatase Aromatic compounds Catalysis Chemical synthesis Crystal structure Efficiency Free electrons Malononitrile Optical properties Pharmaceutical industry Pharmaceutical sciences Photoluminescence Pyrazole Silver Spectrophotometry Spray pyrolysis Substrates Thin films Titanium dioxide |
| title | Ag/Tio2 Nano Thin Films Catalyzed Efficient Synthesis of 6-Amino-4-Aryl-3-Methyl-1,4-Dihydropyrano[2,3-C] Pyrazole-5-Carbonitriles At Green Conditions |
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