Do triboluminescence spectra really show a spectral shift relative to photoluminescence spectra?

J P Duignan, I D H Oswald, I C Sage, L M Sweeting, K Tanaka, T Ishihara, K Hirao, G Bourhill

Research output: Contribution to journalArticle

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Abstract

There are many reports in the literature of a spectral difference between the triboluminescence (TL) spectrum and the solid-state photoluminescence (PL) spectrum of the same compound. Numerous reasons have been suggested for this difference including pressure-induced changes to Franck-Condon factors during the lifetime of the TL light emission; self-absorption of the TL emission and fracture-induced symmetry changes perturbing the local field of the TL emitting species. However, in a number of cases, the luminescent spectra were recorded on different equipment with different spectral responses, with the resolution of either luminescent spectrum rarely quoted. To avoid artificial spectral differences, care must be taken to account for the response of each equipment over the wavelength range studied, as well as any resolution difference. We have therefore measured the TL and solid-state PL spectra of sixteen TL compounds on the same spectrometer at an identical resolution. Furthermore, the solid-state photoluminescent lifetime has been determined for all samples and the implication that these values have for observing pressure-induced (Franck-Condon) luminescent spectral changes discussed. Finally, in all cases where a significant difference was observed between TL and PL spectra, either self-absorption of the TL emission or fracture-induced perturbations of the local field have been evoked to explain the difference.

LanguageEnglish
Pages115-126
Number of pages12
JournalJournal of Luminescence
Volume97
Issue number2
DOIs
Publication statusPublished - May 2002

Fingerprint

Triboluminescence
triboluminescence
Photoluminescence
photoluminescence
Pressure
Equipment and Supplies
shift
Light
self absorption
solid state
life (durability)
Light emission
spectral sensitivity
light emission
Spectrometers
spectrometers

Keywords

  • triboluminescence
  • fractoluminescence
  • mechanoluminescence
  • piezoluminescence
  • damage sensors
  • composites
  • spectroscopy
  • crystals
  • light

Cite this

Duignan, J P ; Oswald, I D H ; Sage, I C ; Sweeting, L M ; Tanaka, K ; Ishihara, T ; Hirao, K ; Bourhill, G . / Do triboluminescence spectra really show a spectral shift relative to photoluminescence spectra?. In: Journal of Luminescence. 2002 ; Vol. 97, No. 2. pp. 115-126.
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abstract = "There are many reports in the literature of a spectral difference between the triboluminescence (TL) spectrum and the solid-state photoluminescence (PL) spectrum of the same compound. Numerous reasons have been suggested for this difference including pressure-induced changes to Franck-Condon factors during the lifetime of the TL light emission; self-absorption of the TL emission and fracture-induced symmetry changes perturbing the local field of the TL emitting species. However, in a number of cases, the luminescent spectra were recorded on different equipment with different spectral responses, with the resolution of either luminescent spectrum rarely quoted. To avoid artificial spectral differences, care must be taken to account for the response of each equipment over the wavelength range studied, as well as any resolution difference. We have therefore measured the TL and solid-state PL spectra of sixteen TL compounds on the same spectrometer at an identical resolution. Furthermore, the solid-state photoluminescent lifetime has been determined for all samples and the implication that these values have for observing pressure-induced (Franck-Condon) luminescent spectral changes discussed. Finally, in all cases where a significant difference was observed between TL and PL spectra, either self-absorption of the TL emission or fracture-induced perturbations of the local field have been evoked to explain the difference.",
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Duignan, JP, Oswald, IDH, Sage, IC, Sweeting, LM, Tanaka, K, Ishihara, T, Hirao, K & Bourhill, G 2002, 'Do triboluminescence spectra really show a spectral shift relative to photoluminescence spectra?' Journal of Luminescence, vol. 97, no. 2, pp. 115-126. https://doi.org/10.1016/S0022-2313(01)00412-4

Do triboluminescence spectra really show a spectral shift relative to photoluminescence spectra? / Duignan, J P ; Oswald, I D H ; Sage, I C ; Sweeting, L M ; Tanaka, K ; Ishihara, T ; Hirao, K ; Bourhill, G .

In: Journal of Luminescence, Vol. 97, No. 2, 05.2002, p. 115-126.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Do triboluminescence spectra really show a spectral shift relative to photoluminescence spectra?

AU - Duignan, J P

AU - Oswald, I D H

AU - Sage, I C

AU - Sweeting, L M

AU - Tanaka, K

AU - Ishihara, T

AU - Hirao, K

AU - Bourhill, G

PY - 2002/5

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N2 - There are many reports in the literature of a spectral difference between the triboluminescence (TL) spectrum and the solid-state photoluminescence (PL) spectrum of the same compound. Numerous reasons have been suggested for this difference including pressure-induced changes to Franck-Condon factors during the lifetime of the TL light emission; self-absorption of the TL emission and fracture-induced symmetry changes perturbing the local field of the TL emitting species. However, in a number of cases, the luminescent spectra were recorded on different equipment with different spectral responses, with the resolution of either luminescent spectrum rarely quoted. To avoid artificial spectral differences, care must be taken to account for the response of each equipment over the wavelength range studied, as well as any resolution difference. We have therefore measured the TL and solid-state PL spectra of sixteen TL compounds on the same spectrometer at an identical resolution. Furthermore, the solid-state photoluminescent lifetime has been determined for all samples and the implication that these values have for observing pressure-induced (Franck-Condon) luminescent spectral changes discussed. Finally, in all cases where a significant difference was observed between TL and PL spectra, either self-absorption of the TL emission or fracture-induced perturbations of the local field have been evoked to explain the difference.

AB - There are many reports in the literature of a spectral difference between the triboluminescence (TL) spectrum and the solid-state photoluminescence (PL) spectrum of the same compound. Numerous reasons have been suggested for this difference including pressure-induced changes to Franck-Condon factors during the lifetime of the TL light emission; self-absorption of the TL emission and fracture-induced symmetry changes perturbing the local field of the TL emitting species. However, in a number of cases, the luminescent spectra were recorded on different equipment with different spectral responses, with the resolution of either luminescent spectrum rarely quoted. To avoid artificial spectral differences, care must be taken to account for the response of each equipment over the wavelength range studied, as well as any resolution difference. We have therefore measured the TL and solid-state PL spectra of sixteen TL compounds on the same spectrometer at an identical resolution. Furthermore, the solid-state photoluminescent lifetime has been determined for all samples and the implication that these values have for observing pressure-induced (Franck-Condon) luminescent spectral changes discussed. Finally, in all cases where a significant difference was observed between TL and PL spectra, either self-absorption of the TL emission or fracture-induced perturbations of the local field have been evoked to explain the difference.

KW - triboluminescence

KW - fractoluminescence

KW - mechanoluminescence

KW - piezoluminescence

KW - damage sensors

KW - composites

KW - spectroscopy

KW - crystals

KW - light

U2 - 10.1016/S0022-2313(01)00412-4

DO - 10.1016/S0022-2313(01)00412-4

M3 - Article

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JO - Journal of Luminescence

T2 - Journal of Luminescence

JF - Journal of Luminescence

SN - 0022-2313

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ER -