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Article: Enhanced photoluminescence and characterization of Mn-doped ZnS nanocrystallites synthesized in microemulsion
Title | Enhanced photoluminescence and characterization of Mn-doped ZnS nanocrystallites synthesized in microemulsion |
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Authors | |
Issue Date | 1997 |
Publisher | American Chemical Society. The Journal's web site is located at http://pubs.acs.org/langmuir |
Citation | Langmuir, 1997, v. 13 n. 24, p. 6427-6431 How to Cite? |
Abstract | ZnS:Mn luminescent nanomaterials were first prepared in an inverse microemulsion at room temperature as well as under a hydrothermal condition. Mn-doped ZnS nanoparticles obtained are distributed from 3 to 18 nm in diameter as determined by transmission electron microscopy. The crystalline nature of the materials is clearly demonstrated by the X-ray diffraction results. Compared with Mn-doped ZnS materials synthesized through the conventional aqueous reaction, the nanoparticles prepared in a microemulsion show a significant enhancement in photoluminescence. In particular, the photoluminescence of particles prepared in microemulsion under hydrothermal treatment was found to be enhanced by a factor of 60 as compared to that of the material obtained through the direct aqueous reaction at room temperature. This dramatic increase in photoluminescence yield is attributed to the surface passivation of nanoparticles by the adsorption of surfactants in microemulsion, the formation of sphalerite with cubic zinc blende structure, and Mn migration into the interior lattice of ZnS host. |
Persistent Identifier | http://hdl.handle.net/10722/174746 |
ISSN | 2023 Impact Factor: 3.7 2023 SCImago Journal Rankings: 0.786 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Gan, LM | en_US |
dc.contributor.author | Liu, B | en_US |
dc.contributor.author | Chew, CH | en_US |
dc.contributor.author | Xu, SJ | en_US |
dc.contributor.author | Chua, SJ | en_US |
dc.contributor.author | Loy, GL | en_US |
dc.contributor.author | Xu, GQ | en_US |
dc.date.accessioned | 2012-11-26T08:47:12Z | - |
dc.date.available | 2012-11-26T08:47:12Z | - |
dc.date.issued | 1997 | en_US |
dc.identifier.citation | Langmuir, 1997, v. 13 n. 24, p. 6427-6431 | en_US |
dc.identifier.issn | 0743-7463 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/174746 | - |
dc.description.abstract | ZnS:Mn luminescent nanomaterials were first prepared in an inverse microemulsion at room temperature as well as under a hydrothermal condition. Mn-doped ZnS nanoparticles obtained are distributed from 3 to 18 nm in diameter as determined by transmission electron microscopy. The crystalline nature of the materials is clearly demonstrated by the X-ray diffraction results. Compared with Mn-doped ZnS materials synthesized through the conventional aqueous reaction, the nanoparticles prepared in a microemulsion show a significant enhancement in photoluminescence. In particular, the photoluminescence of particles prepared in microemulsion under hydrothermal treatment was found to be enhanced by a factor of 60 as compared to that of the material obtained through the direct aqueous reaction at room temperature. This dramatic increase in photoluminescence yield is attributed to the surface passivation of nanoparticles by the adsorption of surfactants in microemulsion, the formation of sphalerite with cubic zinc blende structure, and Mn migration into the interior lattice of ZnS host. | en_US |
dc.language | eng | en_US |
dc.publisher | American Chemical Society. The Journal's web site is located at http://pubs.acs.org/langmuir | en_US |
dc.relation.ispartof | Langmuir | en_US |
dc.title | Enhanced photoluminescence and characterization of Mn-doped ZnS nanocrystallites synthesized in microemulsion | en_US |
dc.type | Article | en_US |
dc.identifier.email | Xu, SJ: sjxu@hku.hk | en_US |
dc.identifier.authority | Xu, SJ=rp00821 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.scopus | eid_2-s2.0-0031273282 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0031273282&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 13 | en_US |
dc.identifier.issue | 24 | en_US |
dc.identifier.spage | 6427 | en_US |
dc.identifier.epage | 6431 | en_US |
dc.identifier.isi | WOS:A1997YJ33100017 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Gan, LM=7202593057 | en_US |
dc.identifier.scopusauthorid | Liu, B=36063446100 | en_US |
dc.identifier.scopusauthorid | Chew, CH=7102800360 | en_US |
dc.identifier.scopusauthorid | Xu, SJ=7404439005 | en_US |
dc.identifier.scopusauthorid | Chua, SJ=35516064500 | en_US |
dc.identifier.scopusauthorid | Loy, GL=7003356803 | en_US |
dc.identifier.scopusauthorid | Xu, GQ=7404264372 | en_US |
dc.identifier.issnl | 0743-7463 | - |