Luminescence and upconversion from thulium(III) species in solution

Octavia A. Blackburn; Manuel Tropiano; Thomas Just Sørensen; James Thom; Andrew Beeby; Lisa M. Bushby; David Parker; Louise S.  Natrajan; Stephen Faulkner

doi:10.1039/c2cp42228j

Luminescence and upconversion from thulium(III) species in solution

Octavia A. Blackburn, Manuel Tropiano, Thomas Just Sørensen, James Thom, Andrew Beeby, Lisa M. Bushby, David Parker, Louise S. Natrajan, Stephen Faulkner

Department of Chemistry

42 Citations (Scopus)

Abstract

Thulium salts and complexes are shown to be emissive from three states in the excited state manifold of Tm ³⁺. Formation of the ¹D ₂ state can result in luminescence, or in energy transfer to the lower energy ¹G ₄ and ³H ₄ 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.

Original language	English
Journal	Physical Chemistry Chemical Physics
Volume	14
Issue number	38
Pages (from-to)	13378-13384
Number of pages	7
ISSN	1463-9076
DOIs	https://doi.org/10.1039/c2cp42228j
Publication status	Published - 14 Oct 2012

Access to Document

10.1039/c2cp42228j

Luminescence and upconversion from thulium(III) species in solutionFinal published version, 1.85 MB

Cite this

@article{36fafebab147482784de935b95cd5a8e,

title = "Luminescence and upconversion from thulium(III) species in solution",

abstract = "Thulium salts and complexes are shown to be emissive from three states in the excited state manifold of Tm 3+. Formation of the 1D 2 state can result in luminescence, or in energy transfer to the lower energy 1G 4 and 3H 4 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.",

author = "Blackburn, {Octavia A.} and Manuel Tropiano and S{\o}rensen, {Thomas Just} and James Thom and Andrew Beeby and Bushby, {Lisa M.} and David Parker and Natrajan, {Louise S.} and Stephen Faulkner",

year = "2012",

month = oct,

day = "14",

doi = "10.1039/c2cp42228j",

language = "English",

volume = "14",

pages = "13378--13384",

journal = "Physical Chemistry Chemical Physics",

issn = "1463-9076",

publisher = "Royal Society of Chemistry",

number = "38",

}

TY - JOUR

T1 - Luminescence and upconversion from thulium(III) species in solution

AU - Blackburn, Octavia A.

AU - Tropiano, Manuel

AU - Sørensen, Thomas Just

AU - Thom, James

AU - Beeby, Andrew

AU - Bushby, Lisa M.

AU - Parker, David

AU - Natrajan, Louise S.

AU - Faulkner, Stephen

PY - 2012/10/14

Y1 - 2012/10/14

N2 - Thulium salts and complexes are shown to be emissive from three states in the excited state manifold of Tm 3+. Formation of the 1D 2 state can result in luminescence, or in energy transfer to the lower energy 1G 4 and 3H 4 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.

AB - Thulium salts and complexes are shown to be emissive from three states in the excited state manifold of Tm 3+. Formation of the 1D 2 state can result in luminescence, or in energy transfer to the lower energy 1G 4 and 3H 4 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.

U2 - 10.1039/c2cp42228j

DO - 10.1039/c2cp42228j

M3 - Journal article

C2 - 22941389

SN - 1463-9076

VL - 14

SP - 13378

EP - 13384

JO - Physical Chemistry Chemical Physics

JF - Physical Chemistry Chemical Physics

IS - 38

ER -

Luminescence and upconversion from thulium(III) species in solution

Abstract

Access to Document

Fingerprint

Cite this