Nanoparticle luminescence thermometry

Shaopeng Wang, Sarah Westcott, Wei Chen

Research output: Contribution to journalArticle

149 Citations (Scopus)

Abstract

A new concept of using luminescent nanoparticles for thermometry is described in this paper. To demonstrate this idea, the temperature-dependent emission characteristics of several luminescent nanoparticles have been investigated. The results show that some of them have a linear response above room temperature, which could be applied to temperature sensing. Semiconductor nanoparticles of CdTe and doped nanoparticles of ZnS:Mn2+ show a reversible linear temperature response over the physiological temperature range and have potential for biomedical thermometry. Double-doped nanoparticles of ZnS:Mn2+, Eu3+ show a different temperature response for each dopant; the ratio of their intensities provides a robust temperature measurement approach. Thermal instability of the nanoparticle stabilizer and nanoparticle surface defects is a possible reason for the irreversible thermal response of some nanoparticles.

Original languageEnglish (US)
Pages (from-to)11203-11209
Number of pages7
JournalJournal of Physical Chemistry B
Volume106
Issue number43
DOIs
StatePublished - Oct 31 2002
Externally publishedYes

Fingerprint

temperature measurement
Luminescence
luminescence
Nanoparticles
nanoparticles
Temperature
temperature
thermal instability
Surface defects
surface defects
Temperature measurement
Doping (additives)
Semiconductor materials
room temperature

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Nanoparticle luminescence thermometry. / Wang, Shaopeng; Westcott, Sarah; Chen, Wei.

In: Journal of Physical Chemistry B, Vol. 106, No. 43, 31.10.2002, p. 11203-11209.

Research output: Contribution to journalArticle

Wang, Shaopeng ; Westcott, Sarah ; Chen, Wei. / Nanoparticle luminescence thermometry. In: Journal of Physical Chemistry B. 2002 ; Vol. 106, No. 43. pp. 11203-11209.
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