Novel microwave assisted synthesis of ZnS nanomaterials.
Identifieur interne : 000508 ( Main/Exploration ); précédent : 000507; suivant : 000509Novel microwave assisted synthesis of ZnS nanomaterials.
Auteurs : RBID : pubmed:23299911English descriptors
- KwdEn :
- Crystallization (methods), Materials Testing, Metal Nanoparticles (chemistry), Metal Nanoparticles (radiation effects), Metal Nanoparticles (ultrastructure), Microwaves, Molecular Conformation (radiation effects), Particle Size, Selenium Compounds (chemistry), Selenium Compounds (radiation effects), Surface Properties (radiation effects), Zinc Compounds (chemistry), Zinc Compounds (radiation effects).
- MESH :
- chemical , chemistry : Selenium Compounds, Zinc Compounds.
- chemistry : Metal Nanoparticles.
- methods : Crystallization.
- radiation effects : Metal Nanoparticles, Molecular Conformation, Selenium Compounds, Surface Properties, Zinc Compounds.
- ultrastructure : Metal Nanoparticles.
- Materials Testing, Microwaves, Particle Size.
Abstract
A novel ambient pressure microwave assisted technique is developed in which silver and indium-modified ZnS is synthesized. The as-prepared ZnS is characterized by x-ray diffraction, UV-vis spectroscopy, x-ray photoelectron spectroscopy and luminescence spectroscopy. This procedure produced crystalline materials with particle sizes below 10 nm. The synthesis technique leads to defects in the crystal which induce mid-energy levels in the band gap and lead to indoor light photocatalytic activity. Increasing the amount of silver causes a phase transition from cubic blende to hexagonal phase ZnS. In a comparative study, when the ZnS cubic blende is heated in a conventional chamber furnace, it is completely converted to ZnO at 600 °C. Both cubic blende and hexagonal ZnS show excellent photocatalytic activity under irradiation from a 60 W light bulb. These ZnS samples also show significantly higher photocatalytic activity than the commercially available TiO(2) (Evonik-Degussa P-25).
DOI: 10.1088/0957-4484/24/4/045704
PubMed: 23299911
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Novel microwave assisted synthesis of ZnS nanomaterials.</title><author><name sortKey="Synnott, Damian W" uniqKey="Synnott D">Damian W Synnott</name><affiliation wicri:level="1"><nlm:affiliation>Centre for Research in Engineering Surface Technology, FOCAS Institute, Dublin Institute of Technology, Kevin Street, Dublin 8, Ireland.</nlm:affiliation><country xml:lang="fr">Irlande (pays)</country><wicri:regionArea>Centre for Research in Engineering Surface Technology, FOCAS Institute, Dublin Institute of Technology, Kevin Street, Dublin 8</wicri:regionArea></affiliation></author><author><name sortKey="Seery, Michael K" uniqKey="Seery M">Michael K Seery</name></author><author><name sortKey="Hinder, Steven J" uniqKey="Hinder S">Steven J Hinder</name></author><author><name sortKey="Colreavy, John" uniqKey="Colreavy J">John Colreavy</name></author><author><name sortKey="Pillai, Suresh C" uniqKey="Pillai S">Suresh C Pillai</name></author></titleStmt><publicationStmt><date when="2013">2013</date><idno type="doi">10.1088/0957-4484/24/4/045704</idno><idno type="RBID">pubmed:23299911</idno><idno type="pmid">23299911</idno><idno type="wicri:Area/Main/Corpus">000857</idno><idno type="wicri:Area/Main/Curation">000857</idno><idno type="wicri:Area/Main/Exploration">000508</idno></publicationStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Crystallization (methods)</term><term>Materials Testing</term><term>Metal Nanoparticles (chemistry)</term><term>Metal Nanoparticles (radiation effects)</term><term>Metal Nanoparticles (ultrastructure)</term><term>Microwaves</term><term>Molecular Conformation (radiation effects)</term><term>Particle Size</term><term>Selenium Compounds (chemistry)</term><term>Selenium Compounds (radiation effects)</term><term>Surface Properties (radiation effects)</term><term>Zinc Compounds (chemistry)</term><term>Zinc Compounds (radiation effects)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Selenium Compounds</term><term>Zinc Compounds</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Metal Nanoparticles</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Crystallization</term></keywords><keywords scheme="MESH" qualifier="radiation effects" xml:lang="en"><term>Metal Nanoparticles</term><term>Molecular Conformation</term><term>Selenium Compounds</term><term>Surface Properties</term><term>Zinc Compounds</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="en"><term>Metal Nanoparticles</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Materials Testing</term><term>Microwaves</term><term>Particle Size</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A novel ambient pressure microwave assisted technique is developed in which silver and indium-modified ZnS is synthesized. The as-prepared ZnS is characterized by x-ray diffraction, UV-vis spectroscopy, x-ray photoelectron spectroscopy and luminescence spectroscopy. This procedure produced crystalline materials with particle sizes below 10 nm. The synthesis technique leads to defects in the crystal which induce mid-energy levels in the band gap and lead to indoor light photocatalytic activity. Increasing the amount of silver causes a phase transition from cubic blende to hexagonal phase ZnS. In a comparative study, when the ZnS cubic blende is heated in a conventional chamber furnace, it is completely converted to ZnO at 600 °C. Both cubic blende and hexagonal ZnS show excellent photocatalytic activity under irradiation from a 60 W light bulb. These ZnS samples also show significantly higher photocatalytic activity than the commercially available TiO(2) (Evonik-Degussa P-25).</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">23299911</PMID><DateCreated><Year>2013</Year><Month>01</Month><Day>10</Day></DateCreated><DateCompleted><Year>2013</Year><Month>06</Month><Day>10</Day></DateCompleted><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1361-6528</ISSN><JournalIssue CitedMedium="Internet"><Volume>24</Volume><Issue>4</Issue><PubDate><Year>2013</Year><Month>Feb</Month><Day>1</Day></PubDate></JournalIssue><Title>Nanotechnology</Title><ISOAbbreviation>Nanotechnology</ISOAbbreviation></Journal><ArticleTitle>Novel microwave assisted synthesis of ZnS nanomaterials.</ArticleTitle><Pagination><MedlinePgn>045704</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1088/0957-4484/24/4/045704</ELocationID><Abstract><AbstractText>A novel ambient pressure microwave assisted technique is developed in which silver and indium-modified ZnS is synthesized. The as-prepared ZnS is characterized by x-ray diffraction, UV-vis spectroscopy, x-ray photoelectron spectroscopy and luminescence spectroscopy. This procedure produced crystalline materials with particle sizes below 10 nm. The synthesis technique leads to defects in the crystal which induce mid-energy levels in the band gap and lead to indoor light photocatalytic activity. Increasing the amount of silver causes a phase transition from cubic blende to hexagonal phase ZnS. In a comparative study, when the ZnS cubic blende is heated in a conventional chamber furnace, it is completely converted to ZnO at 600 °C. Both cubic blende and hexagonal ZnS show excellent photocatalytic activity under irradiation from a 60 W light bulb. These ZnS samples also show significantly higher photocatalytic activity than the commercially available TiO(2) (Evonik-Degussa P-25).</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Synnott</LastName><ForeName>Damian W</ForeName><Initials>DW</Initials><Affiliation>Centre for Research in Engineering Surface Technology, FOCAS Institute, Dublin Institute of Technology, Kevin Street, Dublin 8, Ireland.</Affiliation></Author><Author ValidYN="Y"><LastName>Seery</LastName><ForeName>Michael K</ForeName><Initials>MK</Initials></Author><Author ValidYN="Y"><LastName>Hinder</LastName><ForeName>Steven J</ForeName><Initials>SJ</Initials></Author><Author ValidYN="Y"><LastName>Colreavy</LastName><ForeName>John</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Pillai</LastName><ForeName>Suresh C</ForeName><Initials>SC</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType>Journal Article</PublicationType><PublicationType>Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>01</Month><Day>08</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Nanotechnology</MedlineTA><NlmUniqueID>101241272</NlmUniqueID><ISSNLinking>0957-4484</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance>Selenium Compounds</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance>Zinc Compounds</NameOfSubstance></Chemical><Chemical><RegistryNumber>1315-09-9</RegistryNumber><NameOfSubstance>zinc selenide</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N">Crystallization</DescriptorName><QualifierName MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Materials Testing</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Metal Nanoparticles</DescriptorName><QualifierName MajorTopicYN="Y">chemistry</QualifierName><QualifierName MajorTopicYN="N">radiation effects</QualifierName><QualifierName MajorTopicYN="Y">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Microwaves</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Molecular Conformation</DescriptorName><QualifierName MajorTopicYN="N">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Particle Size</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Selenium Compounds</DescriptorName><QualifierName MajorTopicYN="Y">chemistry</QualifierName><QualifierName MajorTopicYN="Y">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Surface Properties</DescriptorName><QualifierName MajorTopicYN="N">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Zinc Compounds</DescriptorName><QualifierName MajorTopicYN="Y">chemistry</QualifierName><QualifierName MajorTopicYN="Y">radiation effects</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="aheadofprint"><Year>2013</Year><Month>1</Month><Day>08</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>1</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>1</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>6</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.1088/0957-4484/24/4/045704</ArticleId><ArticleId IdType="pubmed">23299911</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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