Time-Resolved Luminescence Nanothermometry with Nitrogen-Vacancy Centers in Nanodiamonds
| Autor: | Oliver Y. Chen, Hsiang Hsu, Hsiou-Yuan Liu, Ming-Shien Chang, Pei-Chang Tsai, Yan-Kai Tzeng, Huan-Cheng Chang, Fu-Goul Yee |
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| Rok vydání: | 2015 |
| Předmět: |
Materials science
Mechanical Engineering Diamond Bioengineering Nanotechnology General Chemistry Substrate (electronics) engineering.material Condensed Matter Physics Laser Temperature measurement law.invention law Vacancy defect Temporal resolution engineering General Materials Science Luminescence Nanoscopic scale |
| Zdroj: | Nano Letters. 15:3945-3952 |
| ISSN: | 1530-6992 1530-6984 |
| Popis: | Measuring temperature in nanoscale spatial resolution either at or far from equilibrium is of importance in many scientific and technological applications. Although negatively charged nitrogen-vacancy (NV(-)) centers in diamond have recently emerged as a promising nanometric temperature sensor, the technique has been applied only under steady state conditions so far. Here, we present a three-point sampling method that allows real-time monitoring of the temperature changes over ±100 K and a pump-probe-type experiment that enables the study of nanoscale heat transfer with a temporal resolution of better than 10 μs. The utility of the time-resolved luminescence nanothermometry was demonstrated with 100 nm fluorescent nanodiamonds spin-coated on a glass substrate and submerged in gold nanorod solution heated by a near-infrared laser, and the validity of the measurements was verified with finite-element numerical simulations. The combined theoretical and experimental approaches will be useful to implement time-resolved temperature sensing in laser processing of materials and even for devices in operation at the nanometer scale. |
| Databáze: | OpenAIRE |
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