Layer-by-Layer Growth and Photocurrent Generation in Metal-Organic Coordination Films
Identifieur interne : 000972 ( Main/Repository ); précédent : 000971; suivant : 000973Layer-by-Layer Growth and Photocurrent Generation in Metal-Organic Coordination Films
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Abstract
A series of metal-organic coordination films with tetra(4-carboxyphenyl)porphyrin (TCPP) and trimesic acid (TMA) ligands and Cu2+ ion linkers were grown layer-by-layer on TiO2-modified indium tin oxide electrodes and the cathodic short-circuit photocurrent that they generate was studied. The layer-by-layer growth was verified by using absorption spectroscopy in the visible and X-ray photoelectron spectroscopy, highlighting the consistent coverage of TCPP in each layer. The photocurrent increases nonlinearly with the number of TCPP layers and with the number of TMA layers introduced as a buffer between TCPP and substrate. These observations are rationalized by considering substrate screening of the TCPP photoexcited state and charge transport across the metal-organic multilayers.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Layer-by-Layer Growth and Photocurrent Generation in Metal-Organic Coordination Films</title><author><name sortKey="Joyce, Jennifer T" uniqKey="Joyce J">Jennifer T. Joyce</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Physics and Energy, University of Limerick</s1><s2>Limerick</s2><s3>IRL</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Irlande (pays)</country><wicri:noRegion>Limerick</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Materials and Surface Science Institute, University of Limerick</s1><s2>Limerick</s2><s3>IRL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Irlande (pays)</country><wicri:noRegion>Limerick</wicri:noRegion></affiliation></author><author><name sortKey="Laffir, Fathimia R" uniqKey="Laffir F">Fathimia R. Laffir</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Materials and Surface Science Institute, University of Limerick</s1><s2>Limerick</s2><s3>IRL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Irlande (pays)</country><wicri:noRegion>Limerick</wicri:noRegion></affiliation></author><author><name sortKey="Silien, Christophe" uniqKey="Silien C">Christophe Silien</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Physics and Energy, University of Limerick</s1><s2>Limerick</s2><s3>IRL</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Irlande (pays)</country><wicri:noRegion>Limerick</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Materials and Surface Science Institute, University of Limerick</s1><s2>Limerick</s2><s3>IRL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Irlande (pays)</country><wicri:noRegion>Limerick</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">13-0370206</idno><date when="2013">2013</date><idno type="stanalyst">PASCAL 13-0370206 INIST</idno><idno type="RBID">Pascal:13-0370206</idno><idno type="wicri:Area/Main/Corpus">000387</idno><idno type="wicri:Area/Main/Repository">000972</idno></publicationStmt><seriesStmt><idno type="ISSN">1932-7447</idno><title level="j" type="abbreviated">J. phys. chem., C</title><title level="j" type="main">Journal of physical chemistry. C</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absorption spectra</term><term>Coverage rate</term><term>Excited states</term><term>Indium tin oxide electrode</term><term>Layer by layer growth</term><term>Metal organic framework</term><term>Multilayers</term><term>Photoconductivity</term><term>Porphyrin derivatives</term><term>X-ray photoelectron spectra</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Photoconductivité</term><term>Spectre absorption</term><term>Spectre photoélectron RX</term><term>Degré recouvrement</term><term>Etat excité</term><term>Charpente organométallique</term><term>Electrode ITO</term><term>Dérivé de la porphyrine</term><term>Multicouche</term><term>Substrat TiO2</term><term>Croissance couche par couche</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A series of metal-organic coordination films with tetra(4-carboxyphenyl)porphyrin (TCPP) and trimesic acid (TMA) ligands and Cu<sup>2+</sup> ion linkers were grown layer-by-layer on TiO<sub>2</sub>-modified indium tin oxide electrodes and the cathodic short-circuit photocurrent that they generate was studied. The layer-by-layer growth was verified by using absorption spectroscopy in the visible and X-ray photoelectron spectroscopy, highlighting the consistent coverage of TCPP in each layer. The photocurrent increases nonlinearly with the number of TCPP layers and with the number of TMA layers introduced as a buffer between TCPP and substrate. These observations are rationalized by considering substrate screening of the TCPP photoexcited state and charge transport across the metal-organic multilayers.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>1932-7447</s0></fA01><fA03 i2="1"><s0>J. phys. chem., C</s0></fA03><fA05><s2>117</s2></fA05><fA06><s2>24</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Layer-by-Layer Growth and Photocurrent Generation in Metal-Organic Coordination Films</s1></fA08><fA11 i1="01" i2="1"><s1>JOYCE (Jennifer T.)</s1></fA11><fA11 i1="02" i2="1"><s1>LAFFIR (Fathimia R.)</s1></fA11><fA11 i1="03" i2="1"><s1>SILIEN (Christophe)</s1></fA11><fA14 i1="01"><s1>Department of Physics and Energy, University of Limerick</s1><s2>Limerick</s2><s3>IRL</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></fA14><fA14 i1="02"><s1>Materials and Surface Science Institute, University of Limerick</s1><s2>Limerick</s2><s3>IRL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></fA14><fA20><s1>12502-12509</s1></fA20><fA21><s1>2013</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>549C</s2><s5>354000503075530130</s5></fA43><fA44><s0>0000</s0><s1>© 2013 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>84 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>13-0370206</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Journal of physical chemistry. C</s0></fA64><fA66 i1="01"><s0>USA</s0></fA66><fC01 i1="01" l="ENG"><s0>A series of metal-organic coordination films with tetra(4-carboxyphenyl)porphyrin (TCPP) and trimesic acid (TMA) ligands and Cu<sup>2+</sup> ion linkers were grown layer-by-layer on TiO<sub>2</sub>-modified indium tin oxide electrodes and the cathodic short-circuit photocurrent that they generate was studied. The layer-by-layer growth was verified by using absorption spectroscopy in the visible and X-ray photoelectron spectroscopy, highlighting the consistent coverage of TCPP in each layer. The photocurrent increases nonlinearly with the number of TCPP layers and with the number of TMA layers introduced as a buffer between TCPP and substrate. These observations are rationalized by considering substrate screening of the TCPP photoexcited state and charge transport across the metal-organic multilayers.</s0></fC01><fC02 i1="01" i2="3"><s0>001B70B40</s0></fC02><fC03 i1="01" i2="3" l="FRE"><s0>Photoconductivité</s0><s5>03</s5></fC03><fC03 i1="01" i2="3" l="ENG"><s0>Photoconductivity</s0><s5>03</s5></fC03><fC03 i1="02" i2="3" l="FRE"><s0>Spectre absorption</s0><s5>04</s5></fC03><fC03 i1="02" i2="3" l="ENG"><s0>Absorption spectra</s0><s5>04</s5></fC03><fC03 i1="03" i2="3" l="FRE"><s0>Spectre photoélectron RX</s0><s5>05</s5></fC03><fC03 i1="03" i2="3" l="ENG"><s0>X-ray photoelectron spectra</s0><s5>05</s5></fC03><fC03 i1="04" i2="X" l="FRE"><s0>Degré recouvrement</s0><s5>06</s5></fC03><fC03 i1="04" i2="X" l="ENG"><s0>Coverage rate</s0><s5>06</s5></fC03><fC03 i1="04" i2="X" l="SPA"><s0>Grado recubrimiento</s0><s5>06</s5></fC03><fC03 i1="05" i2="3" l="FRE"><s0>Etat excité</s0><s5>08</s5></fC03><fC03 i1="05" i2="3" l="ENG"><s0>Excited states</s0><s5>08</s5></fC03><fC03 i1="06" i2="X" l="FRE"><s0>Charpente organométallique</s0><s5>11</s5></fC03><fC03 i1="06" i2="X" l="ENG"><s0>Metal organic framework</s0><s5>11</s5></fC03><fC03 i1="06" i2="X" l="SPA"><s0>Armazòn organometálico</s0><s5>11</s5></fC03><fC03 i1="07" i2="X" l="FRE"><s0>Electrode ITO</s0><s5>12</s5></fC03><fC03 i1="07" i2="X" l="ENG"><s0>Indium tin oxide electrode</s0><s5>12</s5></fC03><fC03 i1="07" i2="X" l="SPA"><s0>Electrodo ITO</s0><s5>12</s5></fC03><fC03 i1="08" i2="X" l="FRE"><s0>Dérivé de la porphyrine</s0><s5>13</s5></fC03><fC03 i1="08" i2="X" l="ENG"><s0>Porphyrin derivatives</s0><s5>13</s5></fC03><fC03 i1="08" i2="X" l="SPA"><s0>Porfirina derivada</s0><s5>13</s5></fC03><fC03 i1="09" i2="3" l="FRE"><s0>Multicouche</s0><s5>16</s5></fC03><fC03 i1="09" i2="3" l="ENG"><s0>Multilayers</s0><s5>16</s5></fC03><fC03 i1="10" i2="3" l="FRE"><s0>Substrat TiO2</s0><s4>INC</s4><s5>52</s5></fC03><fC03 i1="11" i2="3" l="FRE"><s0>Croissance couche par couche</s0><s4>CD</s4><s5>96</s5></fC03><fC03 i1="11" i2="3" l="ENG"><s0>Layer by layer growth</s0><s4>CD</s4><s5>96</s5></fC03><fN21><s1>350</s1></fN21></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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