Synthesis and photophysical properties of kinetically stable complexes containing a lanthanide ion and a transition metal antenna group
A series of bimetallic complexes has been prepared in which an octadentate DOTA-monoamide pocket containing a bound lanthanide ion is linked covalently to a Re I or Ru II bipyridyl unit via an alkyl spacer group. The transition metal chromophores incorporated in this way act as effective sensitisers...
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| Veröffentlicht in: | Dalton transactions : an international journal of inorganic chemistry 2010-12, Vol.39 (45), p.1974-1983 |
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| Sprache: | eng |
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| container_end_page | 1983 |
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| container_issue | 45 |
| container_start_page | 1974 |
| container_title | Dalton transactions : an international journal of inorganic chemistry |
| container_volume | 39 |
| creator | Perry, William S Pope, Simon J. A Allain, Clémence Coe, Benjamin J Kenwright, Alan M Faulkner, Stephen |
| description | A series of bimetallic complexes has been prepared in which an octadentate DOTA-monoamide pocket containing a bound lanthanide ion is linked covalently to a Re
I
or Ru
II
bipyridyl unit
via
an alkyl spacer group. The transition metal chromophores incorporated in this way act as effective sensitisers for lanthanide-centred luminescence. The rate and efficiency of energy transfer are dependent upon the nature of the spacer group, and upon the nature of the lanthanide acceptor. For the RuNd diad, there is a long rise-time associated with the energy-transfer step, such that energy transfer is rate determining in H
2
O, but not in D
2
O. The results also lead us to suggest that energy transfer may precede formation of the
3
M
(Ru/Re)
L
(bpy)
CT state and may be a competitive deactivation pathway for the precursor state (
1
M
(Ru/Re)
L
(bpy)
CT).
A series of bimetallic complexes has been prepared in which an octadentate DOTA-monoamide pocket containing a bound lanthanide ion is linked covalently to a Re
I
or Ru
II
bipyridyl unit
via
an alkyl spacer. |
| doi_str_mv | 10.1039/c0dt00877j |
| format | Article |
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I
or Ru
II
bipyridyl unit
via
an alkyl spacer group. The transition metal chromophores incorporated in this way act as effective sensitisers for lanthanide-centred luminescence. The rate and efficiency of energy transfer are dependent upon the nature of the spacer group, and upon the nature of the lanthanide acceptor. For the RuNd diad, there is a long rise-time associated with the energy-transfer step, such that energy transfer is rate determining in H
2
O, but not in D
2
O. The results also lead us to suggest that energy transfer may precede formation of the
3
M
(Ru/Re)
L
(bpy)
CT state and may be a competitive deactivation pathway for the precursor state (
1
M
(Ru/Re)
L
(bpy)
CT).
A series of bimetallic complexes has been prepared in which an octadentate DOTA-monoamide pocket containing a bound lanthanide ion is linked covalently to a Re
I
or Ru
II
bipyridyl unit
via
an alkyl spacer.</description><identifier>ISSN: 1477-9226</identifier><identifier>EISSN: 1477-9234</identifier><identifier>DOI: 10.1039/c0dt00877j</identifier><identifier>PMID: 20959898</identifier><language>eng</language><publisher>England</publisher><ispartof>Dalton transactions : an international journal of inorganic chemistry, 2010-12, Vol.39 (45), p.1974-1983</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-b138c9206ad1ca134ed960f78f763b90cd7055154885e5ed15f4c4fd8cb7dfed3</citedby><cites>FETCH-LOGICAL-c334t-b138c9206ad1ca134ed960f78f763b90cd7055154885e5ed15f4c4fd8cb7dfed3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20959898$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Perry, William S</creatorcontrib><creatorcontrib>Pope, Simon J. A</creatorcontrib><creatorcontrib>Allain, Clémence</creatorcontrib><creatorcontrib>Coe, Benjamin J</creatorcontrib><creatorcontrib>Kenwright, Alan M</creatorcontrib><creatorcontrib>Faulkner, Stephen</creatorcontrib><title>Synthesis and photophysical properties of kinetically stable complexes containing a lanthanide ion and a transition metal antenna group</title><title>Dalton transactions : an international journal of inorganic chemistry</title><addtitle>Dalton Trans</addtitle><description>A series of bimetallic complexes has been prepared in which an octadentate DOTA-monoamide pocket containing a bound lanthanide ion is linked covalently to a Re
I
or Ru
II
bipyridyl unit
via
an alkyl spacer group. The transition metal chromophores incorporated in this way act as effective sensitisers for lanthanide-centred luminescence. The rate and efficiency of energy transfer are dependent upon the nature of the spacer group, and upon the nature of the lanthanide acceptor. For the RuNd diad, there is a long rise-time associated with the energy-transfer step, such that energy transfer is rate determining in H
2
O, but not in D
2
O. The results also lead us to suggest that energy transfer may precede formation of the
3
M
(Ru/Re)
L
(bpy)
CT state and may be a competitive deactivation pathway for the precursor state (
1
M
(Ru/Re)
L
(bpy)
CT).
A series of bimetallic complexes has been prepared in which an octadentate DOTA-monoamide pocket containing a bound lanthanide ion is linked covalently to a Re
I
or Ru
II
bipyridyl unit
via
an alkyl spacer.</description><issn>1477-9226</issn><issn>1477-9234</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhoMofl-8K_EkCNVks9tsjiJ-QcGDel6yycRGd5M1ScH-Av-2qa315mmGmYeHmRehI0ouKGHiUhGdCKk5f9tAu7TkfCQKVm6u-2K8g_ZifCOkKEhVbKOdgohK1KLeRV9Pc5emEG3E0mk8TH3yw3QerZIdHoIfICQLEXuD362DtJh3cxyTbDvAyvdDB595r7xL0jrrXrHEncxO6awGbL37EUucgnTRpsWgh5TtGQLnJH4NfjYcoC0juwiHq7qPXm5vnq_vR5PHu4frq8lIMVamUUtZrURBxlJTJSkrQYsxMbw2fMxaQZTmpKpoVdZ1BRVoWplSlUbXquXagGb76Gzpzb99zCCmprdRQZdPBj-LTdaUnFHBM3m-JFXwMQYwzRBsL8O8oaRZ5N785Z7hk5V21vag1-hv0Bk4XQIhqvX2T9AM2mTm-D-GfQOeCpem</recordid><startdate>20101207</startdate><enddate>20101207</enddate><creator>Perry, William S</creator><creator>Pope, Simon J. A</creator><creator>Allain, Clémence</creator><creator>Coe, Benjamin J</creator><creator>Kenwright, Alan M</creator><creator>Faulkner, Stephen</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20101207</creationdate><title>Synthesis and photophysical properties of kinetically stable complexes containing a lanthanide ion and a transition metal antenna group</title><author>Perry, William S ; Pope, Simon J. A ; Allain, Clémence ; Coe, Benjamin J ; Kenwright, Alan M ; Faulkner, Stephen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-b138c9206ad1ca134ed960f78f763b90cd7055154885e5ed15f4c4fd8cb7dfed3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Perry, William S</creatorcontrib><creatorcontrib>Pope, Simon J. A</creatorcontrib><creatorcontrib>Allain, Clémence</creatorcontrib><creatorcontrib>Coe, Benjamin J</creatorcontrib><creatorcontrib>Kenwright, Alan M</creatorcontrib><creatorcontrib>Faulkner, Stephen</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Perry, William S</au><au>Pope, Simon J. A</au><au>Allain, Clémence</au><au>Coe, Benjamin J</au><au>Kenwright, Alan M</au><au>Faulkner, Stephen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis and photophysical properties of kinetically stable complexes containing a lanthanide ion and a transition metal antenna group</atitle><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle><addtitle>Dalton Trans</addtitle><date>2010-12-07</date><risdate>2010</risdate><volume>39</volume><issue>45</issue><spage>1974</spage><epage>1983</epage><pages>1974-1983</pages><issn>1477-9226</issn><eissn>1477-9234</eissn><abstract>A series of bimetallic complexes has been prepared in which an octadentate DOTA-monoamide pocket containing a bound lanthanide ion is linked covalently to a Re
I
or Ru
II
bipyridyl unit
via
an alkyl spacer group. The transition metal chromophores incorporated in this way act as effective sensitisers for lanthanide-centred luminescence. The rate and efficiency of energy transfer are dependent upon the nature of the spacer group, and upon the nature of the lanthanide acceptor. For the RuNd diad, there is a long rise-time associated with the energy-transfer step, such that energy transfer is rate determining in H
2
O, but not in D
2
O. The results also lead us to suggest that energy transfer may precede formation of the
3
M
(Ru/Re)
L
(bpy)
CT state and may be a competitive deactivation pathway for the precursor state (
1
M
(Ru/Re)
L
(bpy)
CT).
A series of bimetallic complexes has been prepared in which an octadentate DOTA-monoamide pocket containing a bound lanthanide ion is linked covalently to a Re
I
or Ru
II
bipyridyl unit
via
an alkyl spacer.</abstract><cop>England</cop><pmid>20959898</pmid><doi>10.1039/c0dt00877j</doi><tpages>1</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1477-9226 |
| ispartof | Dalton transactions : an international journal of inorganic chemistry, 2010-12, Vol.39 (45), p.1974-1983 |
| issn | 1477-9226 1477-9234 |
| language | eng |
| recordid | cdi_crossref_primary_10_1039_c0dt00877j |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| title | Synthesis and photophysical properties of kinetically stable complexes containing a lanthanide ion and a transition metal antenna group |
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