University of Hertfordshire

Standard

True absolute determination of photoluminescence quantum yields by coupling multiwavelength thermal lens and photoluminescence spectroscopies. / Pereira, Tatiane; Warzecha, Monika; Andrade, Luis; Reis Silva, Junior; Baesso, Mauro Luciano; McHugh, Callum J.; Calvo-Castro, Jesus; Lima, Sandro.

In: Physical Chemistry Chemical Physics, 07.10.2020.

Research output: Contribution to journalArticlepeer-review

Harvard

APA

Vancouver

Author

Pereira, Tatiane ; Warzecha, Monika ; Andrade, Luis ; Reis Silva, Junior ; Baesso, Mauro Luciano ; McHugh, Callum J. ; Calvo-Castro, Jesus ; Lima, Sandro. / True absolute determination of photoluminescence quantum yields by coupling multiwavelength thermal lens and photoluminescence spectroscopies. In: Physical Chemistry Chemical Physics. 2020.

Bibtex

@article{2085282a3be74f8a87df417f83ac73b6,
title = "True absolute determination of photoluminescence quantum yields by coupling multiwavelength thermal lens and photoluminescence spectroscopies",
abstract = "Photoluminescence quantum yields denote a critical variable to characterise a fluorophore and its potential performance. Their determination, by means of methodologies employing reference standard materials, innevitably leads to large uncertainties. In response to this, herein we report for the first time an innovative and elegant methodology, whereby the use of neat solvent/reference material required by thermal lens approaches is eliminated by coupling it to photoluminescence spectroscopy, allowing for the discrimination between materials with similar photoluminescence quantum yields. To achieve that, both radiative and non-radiative transitions are simultaneously measured by means of a photoluminescence spectrometer coupled to a multiwavelength thermal lens spectroscopy setup in a mode-mismatched dual-beam configuration, respectively. The absorption factor independent ratio of the thermal lens and photoluminescence signals can then be used to determine the fluorescence quantum yield both accurately and precisely. We validated our reported method by means of rhodamine 6G and further applied in three novel structurally related diketopyrrolopyrrole based materials to, contrary to results obtained by other methods, unveil significant differences in their photoluminescence quantum yields.",
author = "Tatiane Pereira and Monika Warzecha and Luis Andrade and {Reis Silva}, Junior and Baesso, {Mauro Luciano} and McHugh, {Callum J.} and Jesus Calvo-Castro and Sandro Lima",
note = "{\textcopyright} Royal Society of Chemistry 2020. This is the accepted manuscript version of an article which has been published in final form at https://dx.doi.org/10.1039/D0CP03794J.",
year = "2020",
month = oct,
day = "7",
doi = "10.1039/D0CP03794J",
language = "English",
journal = "Physical Chemistry Chemical Physics",
issn = "1463-9076",
publisher = "Royal Society of Chemistry",

}

RIS

TY - JOUR

T1 - True absolute determination of photoluminescence quantum yields by coupling multiwavelength thermal lens and photoluminescence spectroscopies

AU - Pereira, Tatiane

AU - Warzecha, Monika

AU - Andrade, Luis

AU - Reis Silva, Junior

AU - Baesso, Mauro Luciano

AU - McHugh, Callum J.

AU - Calvo-Castro, Jesus

AU - Lima, Sandro

N1 - © Royal Society of Chemistry 2020. This is the accepted manuscript version of an article which has been published in final form at https://dx.doi.org/10.1039/D0CP03794J.

PY - 2020/10/7

Y1 - 2020/10/7

N2 - Photoluminescence quantum yields denote a critical variable to characterise a fluorophore and its potential performance. Their determination, by means of methodologies employing reference standard materials, innevitably leads to large uncertainties. In response to this, herein we report for the first time an innovative and elegant methodology, whereby the use of neat solvent/reference material required by thermal lens approaches is eliminated by coupling it to photoluminescence spectroscopy, allowing for the discrimination between materials with similar photoluminescence quantum yields. To achieve that, both radiative and non-radiative transitions are simultaneously measured by means of a photoluminescence spectrometer coupled to a multiwavelength thermal lens spectroscopy setup in a mode-mismatched dual-beam configuration, respectively. The absorption factor independent ratio of the thermal lens and photoluminescence signals can then be used to determine the fluorescence quantum yield both accurately and precisely. We validated our reported method by means of rhodamine 6G and further applied in three novel structurally related diketopyrrolopyrrole based materials to, contrary to results obtained by other methods, unveil significant differences in their photoluminescence quantum yields.

AB - Photoluminescence quantum yields denote a critical variable to characterise a fluorophore and its potential performance. Their determination, by means of methodologies employing reference standard materials, innevitably leads to large uncertainties. In response to this, herein we report for the first time an innovative and elegant methodology, whereby the use of neat solvent/reference material required by thermal lens approaches is eliminated by coupling it to photoluminescence spectroscopy, allowing for the discrimination between materials with similar photoluminescence quantum yields. To achieve that, both radiative and non-radiative transitions are simultaneously measured by means of a photoluminescence spectrometer coupled to a multiwavelength thermal lens spectroscopy setup in a mode-mismatched dual-beam configuration, respectively. The absorption factor independent ratio of the thermal lens and photoluminescence signals can then be used to determine the fluorescence quantum yield both accurately and precisely. We validated our reported method by means of rhodamine 6G and further applied in three novel structurally related diketopyrrolopyrrole based materials to, contrary to results obtained by other methods, unveil significant differences in their photoluminescence quantum yields.

U2 - 10.1039/D0CP03794J

DO - 10.1039/D0CP03794J

M3 - Article

JO - Physical Chemistry Chemical Physics

JF - Physical Chemistry Chemical Physics

SN - 1463-9076

ER -