纳米技术
发光
纳米尺度
材料科学
温度计
碳纳米管
聚合物
介孔材料
光电子学
化学
生物化学
量子力学
物理
复合材料
催化作用
作者
Carlos D. S. Brites,Patrícia P. Lima,Nuno J. O. Silva,Ángel Millán,V. S. Amaral,Fernando Palácio,Luís D. Carlos
出处
期刊:Nanoscale
[The Royal Society of Chemistry]
日期:2012-01-01
卷期号:4 (16): 4799-4799
被引量:1241
摘要
Non-invasive precise thermometers working at the nanoscale with high spatial resolution, where the conventional methods are ineffective, have emerged over the last couple of years as a very active field of research. This has been strongly stimulated by the numerous challenging requests arising from nanotechnology and biomedicine. This critical review offers a general overview of recent examples of luminescent and non-luminescent thermometers working at nanometric scale. Luminescent thermometers encompass organic dyes, QDs and Ln(3+)ions as thermal probes, as well as more complex thermometric systems formed by polymer and organic-inorganic hybrid matrices encapsulating these emitting centres. Non-luminescent thermometers comprise of scanning thermal microscopy, nanolithography thermometry, carbon nanotube thermometry and biomaterials thermometry. Emphasis has been put on ratiometric examples reporting spatial resolution lower than 1 micron, as, for instance, intracellular thermometers based on organic dyes, thermoresponsive polymers, mesoporous silica NPs, QDs, and Ln(3+)-based up-converting NPs and β-diketonate complexes. Finally, we discuss the challenges and opportunities in the development for highly sensitive ratiometric thermometers operating at the physiological temperature range with submicron spatial resolution.
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