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Nanothermometry: All‐In‐One Optical Heater‐Thermometer Nanoplatform Operative From 300 to 2000 K Based on Er 3+ Emission and Blackbody Radiation (Adv. Mater. 35/2013)
Author(s) -
Debasu Mengistie L.,
Ananias Duarte,
PastorizaSantos Isabel,
LizMarzán Luis M.,
Rocha J.,
Carlos Luís D.
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201370219
Subject(s) - black body radiation , materials science , thermometer , nanorod , lasing threshold , laser , nanoparticle , boltzmann distribution , optoelectronics , radiation , analytical chemistry (journal) , optics , atomic physics , nanotechnology , physics , thermodynamics , chemistry , wavelength , chromatography
A nanoplatform accomplishes simultaneous laser‐induced heat generation by gold nanoparticles and temperature sensing by (Gd,Yb,Er) 2 O 3 nanorods, presenting considerable potential for hyperthermia and deep‐tissue optical imaging. On page 4868 , Luis D. Carlos, J. Rocha and co‐workers assess the local temperature from the Boltzmann distribution of the Er 3+ up‐conversion 2 H 11/2 → 4 | 15/2 / 4 S 3/2 → 4 | 15/2 intensity ratio (300–1050 K) or Planck's law for white‐light emission (1200–2000 K).
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