纳米尺度
光热治疗
纳米颗粒
纳米材料
纳米结构
等离子体子
纳米技术
材料科学
等离子纳米粒子
电介质
光电子学
作者
Luciana P. Martinez,Maria Villarreal,Cecilia Zaza,Mariano Barella,Guillermo P. Acuna,Fernando D. Stefani,Ianina L. Violi,Julián Gargiulo
出处
期刊:ACS Sensors
[American Chemical Society]
日期:2024-03-14
卷期号:9 (3): 1049-1064
被引量:3
标识
DOI:10.1021/acssensors.4c00012
摘要
The development of efficient nanoscale photon absorbers, such as plasmonic or high-index dielectric nanostructures, allows the remotely controlled release of heat on the nanoscale using light. These photothermal nanomaterials have found applications in various research and technological fields, ranging from materials science to biology. However, measuring the nanoscale thermal fields remains an open challenge, hindering full comprehension and control of nanoscale photothermal phenomena. Here, we review and discuss existent thermometries suitable for single nanoparticles heated under illumination. These methods are classified in four categories according to the region where they assess temperature: (1) the average temperature within a diffraction-limited volume, (2) the average temperature at the immediate vicinity of the nanoparticle surface, (3) the temperature of the nanoparticle itself, and (4) a map of the temperature around the nanoparticle with nanoscale spatial resolution. In the latter, because it is the most challenging and informative type of method, we also envisage new combinations of technologies that could be helpful in retrieving nanoscale temperature maps. Finally, we analyze and provide examples of strategies to validate the results obtained using different thermometry methods.
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