Luminescence and upconversion from thulium(III) species in solution
Identifieur interne : 000904 ( Main/Exploration ); précédent : 000903; suivant : 000905Luminescence and upconversion from thulium(III) species in solution
Auteurs : Octavia A. Blackburn [Royaume-Uni] ; Manuel Tropiano [Royaume-Uni] ; Thomas Just S Rensen [Royaume-Uni, Danemark] ; James Thom [Royaume-Uni] ; Andrew Beeby [Royaume-Uni] ; Lisa M. Bushby [Royaume-Uni] ; David Parker [Royaume-Uni] ; Louise S. Natrajan [Royaume-Uni] ; Stephen Faulkner [Royaume-Uni]Source :
- PCCP. Physical chemistry chemical physics : (Print) [ 1463-9076 ] ; 2012.
Descripteurs français
- Pascal (Inist)
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Abstract
Thulium salts and complexes are shown to be emissive from three states in the excited state manifold of Tm3+. Formation of the 1D2 state can result in luminescence, or in energy transfer to the lower energy 1G4 and 3H4 emissive states. Where chromophores are present in the ligand structure, emission is restricted to thulium centred emissive states that are lower in energy than the chromophore centred donor state. We have also observed direct multi-photon excitation of the thulium excited state manifold. Furthermore, additional transitions are observed in the multi-photon excitation spectra that are consistent with upconversion as a consequence of sequential single photon absorption and relaxation processes within the thulium excited state manifold.
Affiliations:
- Danemark, Royaume-Uni
- Angleterre, Grand Manchester, Oxfordshire
- Manchester, Oxford
- Université d'Oxford, Université de Manchester
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Blackburn</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Chemistry Research Laboratory, University of Oxford, Mansfield Road</s1><s2>Oxford, OX1 3TA</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Oxford, OX1 3TA</wicri:noRegion><orgName type="university">Université d'Oxford</orgName><placeName><settlement type="city">Oxford</settlement><region type="nation">Angleterre</region><region type="région" nuts="1">Oxfordshire</region></placeName></affiliation></author><author><name sortKey="Tropiano, Manuel" sort="Tropiano, Manuel" uniqKey="Tropiano M" first="Manuel" last="Tropiano">Manuel Tropiano</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Chemistry Research Laboratory, University of Oxford, Mansfield Road</s1><s2>Oxford, OX1 3TA</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Oxford, OX1 3TA</wicri:noRegion><orgName type="university">Université d'Oxford</orgName><placeName><settlement type="city">Oxford</settlement><region type="nation">Angleterre</region><region type="région" nuts="1">Oxfordshire</region></placeName></affiliation></author><author><name sortKey="Just S Rensen, Thomas" sort="Just S Rensen, Thomas" uniqKey="Just S Rensen T" first="Thomas" last="Just S Rensen">Thomas Just S Rensen</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Chemistry Research Laboratory, University of Oxford, Mansfield Road</s1><s2>Oxford, OX1 3TA</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Oxford, OX1 3TA</wicri:noRegion><orgName type="university">Université d'Oxford</orgName><placeName><settlement type="city">Oxford</settlement><region type="nation">Angleterre</region><region type="région" nuts="1">Oxfordshire</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Nano-Science Center & Department of Chemistry, University of Copenhagen, Universitetsparken 5</s1><s2>2100 København Ø</s2><s3>DNK</s3><sZ>3 aut.</sZ></inist:fA14><country>Danemark</country><wicri:noRegion>2100 København Ø</wicri:noRegion></affiliation></author><author><name sortKey="Thom, James" sort="Thom, James" uniqKey="Thom J" first="James" last="Thom">James Thom</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Chemistry Research Laboratory, University of Oxford, Mansfield Road</s1><s2>Oxford, OX1 3TA</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Oxford, OX1 3TA</wicri:noRegion><orgName type="university">Université d'Oxford</orgName><placeName><settlement type="city">Oxford</settlement><region type="nation">Angleterre</region><region type="région" nuts="1">Oxfordshire</region></placeName></affiliation></author><author><name sortKey="Beeby, Andrew" sort="Beeby, Andrew" uniqKey="Beeby A" first="Andrew" last="Beeby">Andrew Beeby</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Chemistry, University of Durham, South Road</s1><s2>Durham, DH1 3LE</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Durham, DH1 3LE</wicri:noRegion></affiliation></author><author><name sortKey="Bushby, Lisa M" sort="Bushby, Lisa M" uniqKey="Bushby L" first="Lisa M." last="Bushby">Lisa M. Bushby</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Chemistry, University of Durham, South Road</s1><s2>Durham, DH1 3LE</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Durham, DH1 3LE</wicri:noRegion></affiliation></author><author><name sortKey="Parker, David" sort="Parker, David" uniqKey="Parker D" first="David" last="Parker">David Parker</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Chemistry, University of Durham, South Road</s1><s2>Durham, DH1 3LE</s2><s3>GBR</s3><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Durham, DH1 3LE</wicri:noRegion></affiliation></author><author><name sortKey="Natrajan, Louise S" sort="Natrajan, Louise S" uniqKey="Natrajan L" first="Louise S." last="Natrajan">Louise S. Natrajan</name><affiliation wicri:level="4"><inist:fA14 i1="04"><s1>School of Chemistry, University of Manchester, Oxford Road</s1><s2>Manchester, M13 9PL</s2><s3>GBR</s3><sZ>8 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Manchester, M13 9PL</wicri:noRegion><orgName type="university">Université de Manchester</orgName><placeName><settlement type="city">Manchester</settlement><region type="nation">Angleterre</region><region nuts="2" type="region">Grand Manchester</region></placeName></affiliation></author><author><name sortKey="Faulkner, Stephen" sort="Faulkner, Stephen" uniqKey="Faulkner S" first="Stephen" last="Faulkner">Stephen Faulkner</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Chemistry Research Laboratory, University of Oxford, Mansfield Road</s1><s2>Oxford, OX1 3TA</s2><s3>GBR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Oxford, OX1 3TA</wicri:noRegion><orgName type="university">Université d'Oxford</orgName><placeName><settlement type="city">Oxford</settlement><region type="nation">Angleterre</region><region type="région" nuts="1">Oxfordshire</region></placeName></affiliation></author></analytic><series><title level="j" type="main">PCCP. Physical chemistry chemical physics : (Print)</title><title level="j" type="abbreviated">PCCP, Phys. chem. chem. phys. : (Print)</title><idno type="ISSN">1463-9076</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">PCCP. Physical chemistry chemical physics : (Print)</title><title level="j" type="abbreviated">PCCP, Phys. chem. chem. phys. : (Print)</title><idno type="ISSN">1463-9076</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Chromophore</term><term>Energy</term><term>Energy transfer</term><term>Excitation</term><term>Excitation spectrum</term><term>Excited state</term><term>Luminescence</term><term>Photon</term><term>Photon absorption</term><term>Quantum optics</term><term>Relaxation</term><term>Sequential</term><term>Structure</term><term>Thulium</term><term>Thulium complex</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Luminescence</term><term>Thulium</term><term>Complexe de thulium</term><term>Etat excité</term><term>Transfert énergie</term><term>Energie</term><term>Chromophore</term><term>Structure</term><term>Photon</term><term>Excitation</term><term>Spectre excitation</term><term>Séquentiel</term><term>Optique quantique</term><term>Absorption photon</term><term>Relaxation</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Thulium salts and complexes are shown to be emissive from three states in the excited state manifold of Tm<sup>3+</sup>. Formation of the <sup>1</sup>D<sub>2</sub> state can result in luminescence, or in energy transfer to the lower energy <sup>1</sup>G<sub>4</sub> and <sup>3</sup>H<sub>4</sub> emissive states. Where chromophores are present in the ligand structure, emission is restricted to thulium centred emissive states that are lower in energy than the chromophore centred donor state. We have also observed direct multi-photon excitation of the thulium excited state manifold. Furthermore, additional transitions are observed in the multi-photon excitation spectra that are consistent with upconversion as a consequence of sequential single photon absorption and relaxation processes within the thulium excited state manifold.</div></front></TEI><affiliations><list><country><li>Danemark</li><li>Royaume-Uni</li></country><region><li>Angleterre</li><li>Grand Manchester</li><li>Oxfordshire</li></region><settlement><li>Manchester</li><li>Oxford</li></settlement><orgName><li>Université d'Oxford</li><li>Université de Manchester</li></orgName></list><tree><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Blackburn, Octavia A" sort="Blackburn, Octavia A" uniqKey="Blackburn O" first="Octavia A." last="Blackburn">Octavia A. Blackburn</name></region><name sortKey="Beeby, Andrew" sort="Beeby, Andrew" uniqKey="Beeby A" first="Andrew" last="Beeby">Andrew Beeby</name><name sortKey="Bushby, Lisa M" sort="Bushby, Lisa M" uniqKey="Bushby L" first="Lisa M." last="Bushby">Lisa M. Bushby</name><name sortKey="Faulkner, Stephen" sort="Faulkner, Stephen" uniqKey="Faulkner S" first="Stephen" last="Faulkner">Stephen Faulkner</name><name sortKey="Just S Rensen, Thomas" sort="Just S Rensen, Thomas" uniqKey="Just S Rensen T" first="Thomas" last="Just S Rensen">Thomas Just S Rensen</name><name sortKey="Natrajan, Louise S" sort="Natrajan, Louise S" uniqKey="Natrajan L" first="Louise S." last="Natrajan">Louise S. Natrajan</name><name sortKey="Parker, David" sort="Parker, David" uniqKey="Parker D" first="David" last="Parker">David Parker</name><name sortKey="Thom, James" sort="Thom, James" uniqKey="Thom J" first="James" last="Thom">James Thom</name><name sortKey="Tropiano, Manuel" sort="Tropiano, Manuel" uniqKey="Tropiano M" first="Manuel" last="Tropiano">Manuel Tropiano</name></country><country name="Danemark"><noRegion><name sortKey="Just S Rensen, Thomas" sort="Just S Rensen, Thomas" uniqKey="Just S Rensen T" first="Thomas" last="Just S Rensen">Thomas Just S Rensen</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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