Phosphorescence quenching of -tris(2-phenylpyridyl)iridium() complexes in thin films on dielectric surfaces

We study the influence of the film thickness on the time-resolved phosphorescence and the luminescence quantum yield of fac -tris(2-phenylpyridyl)iridium( iii ) [Ir(ppy) 3 ]-cored dendrimers deposited on dielectric substrates. A correlation is observed between the surface quenching velocity and the...

Full description

Saved in:
Bibliographic Details
Published in:Physical chemistry chemical physics : PCCP 2016-01, Vol.18 (5), p.3575-358
Main Authors: Ribierre, J. C, Ruseckas, A, Staton, S. V, Knights, K, Cumpstey, N, Burn, P. L, Samuel, I. D. W
Format: Article
Language:
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
cited_by
cites
container_end_page 358
container_issue 5
container_start_page 3575
container_title Physical chemistry chemical physics : PCCP
container_volume 18
creator Ribierre, J. C
Ruseckas, A
Staton, S. V
Knights, K
Cumpstey, N
Burn, P. L
Samuel, I. D. W
description We study the influence of the film thickness on the time-resolved phosphorescence and the luminescence quantum yield of fac -tris(2-phenylpyridyl)iridium( iii ) [Ir(ppy) 3 ]-cored dendrimers deposited on dielectric substrates. A correlation is observed between the surface quenching velocity and the quenching rate by intermolecular interactions in the bulk film, which suggests that both processes are controlled by dipole-dipole interactions between Ir(ppy) 3 complexes at the core of the dendrimers. It is also found that the surface quenching velocity decreases as the refractive index of the substrate is increased. This can be explained by partial screening of dipole-dipole interactions by the dielectric environment. Surface quenching of triplet excitons at the film interface is investigated in iridium-cored phosphorescent dendrimer films.
doi_str_mv 10.1039/c5cp06584d
format article
fullrecord <record><control><sourceid>rsc</sourceid><recordid>TN_cdi_rsc_primary_c5cp06584d</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>c5cp06584d</sourcerecordid><originalsourceid>FETCH-rsc_primary_c5cp06584d3</originalsourceid><addsrcrecordid>eNqFj7tuwkAQRVcokSCPJj3SlFCY7OJHoI5AlBT0yBqP8STr3WUHS_HfxwWCkuoc6eoUV6kPoxdGp-tPzDHoIl9l1UhNTFakyVqvsqebfxVj9SLyo7U2uUkn6nffeAmNjyRIDgnO3YCG3Ql8DcklssyWSWjI9Tb0kaveznkAd-1sDujbYOmPBNjBZaigZtsKeAcVkyUcegTpYl0iyZt6rksr9H7lq5puN4fvXRIFjyFyW8b-eH-QPtr_AWCTS4A</addsrcrecordid><sourcetype>Publisher</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Phosphorescence quenching of -tris(2-phenylpyridyl)iridium() complexes in thin films on dielectric surfaces</title><source>Royal Society of Chemistry Journals</source><creator>Ribierre, J. C ; Ruseckas, A ; Staton, S. V ; Knights, K ; Cumpstey, N ; Burn, P. L ; Samuel, I. D. W</creator><creatorcontrib>Ribierre, J. C ; Ruseckas, A ; Staton, S. V ; Knights, K ; Cumpstey, N ; Burn, P. L ; Samuel, I. D. W</creatorcontrib><description>We study the influence of the film thickness on the time-resolved phosphorescence and the luminescence quantum yield of fac -tris(2-phenylpyridyl)iridium( iii ) [Ir(ppy) 3 ]-cored dendrimers deposited on dielectric substrates. A correlation is observed between the surface quenching velocity and the quenching rate by intermolecular interactions in the bulk film, which suggests that both processes are controlled by dipole-dipole interactions between Ir(ppy) 3 complexes at the core of the dendrimers. It is also found that the surface quenching velocity decreases as the refractive index of the substrate is increased. This can be explained by partial screening of dipole-dipole interactions by the dielectric environment. Surface quenching of triplet excitons at the film interface is investigated in iridium-cored phosphorescent dendrimer films.</description><identifier>ISSN: 1463-9076</identifier><identifier>EISSN: 1463-9084</identifier><identifier>DOI: 10.1039/c5cp06584d</identifier><ispartof>Physical chemistry chemical physics : PCCP, 2016-01, Vol.18 (5), p.3575-358</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Ribierre, J. C</creatorcontrib><creatorcontrib>Ruseckas, A</creatorcontrib><creatorcontrib>Staton, S. V</creatorcontrib><creatorcontrib>Knights, K</creatorcontrib><creatorcontrib>Cumpstey, N</creatorcontrib><creatorcontrib>Burn, P. L</creatorcontrib><creatorcontrib>Samuel, I. D. W</creatorcontrib><title>Phosphorescence quenching of -tris(2-phenylpyridyl)iridium() complexes in thin films on dielectric surfaces</title><title>Physical chemistry chemical physics : PCCP</title><description>We study the influence of the film thickness on the time-resolved phosphorescence and the luminescence quantum yield of fac -tris(2-phenylpyridyl)iridium( iii ) [Ir(ppy) 3 ]-cored dendrimers deposited on dielectric substrates. A correlation is observed between the surface quenching velocity and the quenching rate by intermolecular interactions in the bulk film, which suggests that both processes are controlled by dipole-dipole interactions between Ir(ppy) 3 complexes at the core of the dendrimers. It is also found that the surface quenching velocity decreases as the refractive index of the substrate is increased. This can be explained by partial screening of dipole-dipole interactions by the dielectric environment. Surface quenching of triplet excitons at the film interface is investigated in iridium-cored phosphorescent dendrimer films.</description><issn>1463-9076</issn><issn>1463-9084</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqFj7tuwkAQRVcokSCPJj3SlFCY7OJHoI5AlBT0yBqP8STr3WUHS_HfxwWCkuoc6eoUV6kPoxdGp-tPzDHoIl9l1UhNTFakyVqvsqebfxVj9SLyo7U2uUkn6nffeAmNjyRIDgnO3YCG3Ql8DcklssyWSWjI9Tb0kaveznkAd-1sDujbYOmPBNjBZaigZtsKeAcVkyUcegTpYl0iyZt6rksr9H7lq5puN4fvXRIFjyFyW8b-eH-QPtr_AWCTS4A</recordid><startdate>20160127</startdate><enddate>20160127</enddate><creator>Ribierre, J. C</creator><creator>Ruseckas, A</creator><creator>Staton, S. V</creator><creator>Knights, K</creator><creator>Cumpstey, N</creator><creator>Burn, P. L</creator><creator>Samuel, I. D. W</creator><scope/></search><sort><creationdate>20160127</creationdate><title>Phosphorescence quenching of -tris(2-phenylpyridyl)iridium() complexes in thin films on dielectric surfaces</title><author>Ribierre, J. C ; Ruseckas, A ; Staton, S. V ; Knights, K ; Cumpstey, N ; Burn, P. L ; Samuel, I. D. W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-rsc_primary_c5cp06584d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><creationdate>2016</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ribierre, J. C</creatorcontrib><creatorcontrib>Ruseckas, A</creatorcontrib><creatorcontrib>Staton, S. V</creatorcontrib><creatorcontrib>Knights, K</creatorcontrib><creatorcontrib>Cumpstey, N</creatorcontrib><creatorcontrib>Burn, P. L</creatorcontrib><creatorcontrib>Samuel, I. D. W</creatorcontrib><jtitle>Physical chemistry chemical physics : PCCP</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ribierre, J. C</au><au>Ruseckas, A</au><au>Staton, S. V</au><au>Knights, K</au><au>Cumpstey, N</au><au>Burn, P. L</au><au>Samuel, I. D. W</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phosphorescence quenching of -tris(2-phenylpyridyl)iridium() complexes in thin films on dielectric surfaces</atitle><jtitle>Physical chemistry chemical physics : PCCP</jtitle><date>2016-01-27</date><risdate>2016</risdate><volume>18</volume><issue>5</issue><spage>3575</spage><epage>358</epage><pages>3575-358</pages><issn>1463-9076</issn><eissn>1463-9084</eissn><abstract>We study the influence of the film thickness on the time-resolved phosphorescence and the luminescence quantum yield of fac -tris(2-phenylpyridyl)iridium( iii ) [Ir(ppy) 3 ]-cored dendrimers deposited on dielectric substrates. A correlation is observed between the surface quenching velocity and the quenching rate by intermolecular interactions in the bulk film, which suggests that both processes are controlled by dipole-dipole interactions between Ir(ppy) 3 complexes at the core of the dendrimers. It is also found that the surface quenching velocity decreases as the refractive index of the substrate is increased. This can be explained by partial screening of dipole-dipole interactions by the dielectric environment. Surface quenching of triplet excitons at the film interface is investigated in iridium-cored phosphorescent dendrimer films.</abstract><doi>10.1039/c5cp06584d</doi><tpages>6</tpages></addata></record>
fulltext fulltext
identifier ISSN: 1463-9076
ispartof Physical chemistry chemical physics : PCCP, 2016-01, Vol.18 (5), p.3575-358
issn 1463-9076
1463-9084
language
recordid cdi_rsc_primary_c5cp06584d
source Royal Society of Chemistry Journals
title Phosphorescence quenching of -tris(2-phenylpyridyl)iridium() complexes in thin films on dielectric surfaces
url http://sfxeu10.hosted.exlibrisgroup.com/loughborough?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-08T03%3A42%3A53IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-rsc&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Phosphorescence%20quenching%20of%20-tris(2-phenylpyridyl)iridium()%20complexes%20in%20thin%20films%20on%20dielectric%20surfaces&rft.jtitle=Physical%20chemistry%20chemical%20physics%20:%20PCCP&rft.au=Ribierre,%20J.%20C&rft.date=2016-01-27&rft.volume=18&rft.issue=5&rft.spage=3575&rft.epage=358&rft.pages=3575-358&rft.issn=1463-9076&rft.eissn=1463-9084&rft_id=info:doi/10.1039/c5cp06584d&rft_dat=%3Crsc%3Ec5cp06584d%3C/rsc%3E%3Cgrp_id%3Ecdi_FETCH-rsc_primary_c5cp06584d3%3C/grp_id%3E%3Coa%3E%3C/oa%3E%3Curl%3E%3C/url%3E&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true