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Nanoscale Fluorescence Emitters

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Introduction to Fluorescence Sensing

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Abstract

This chapter provides comparative analysis of properties of different nanoscale materials to absorb and emit visual and near-IR light with the focus on their applications in sensing and imaging technologies. These new materials are diverse. Strongly emissive nanoparticles can be formed of organic or inorganic polymers incorporating organic dyes. In dendrimers they can be attached covalently in the desired sites. Collective excitonic effects appear when the aromatic units are coupled in conjugated polymers. Inorganic carbon nanostructures add a new feature in this diversity. Semiconductor quantum dots present a range of bright emitters covering whole visible and near-IR spectral range. Finally, the up-converting nanocrystals make possible visible emission with near-IR excitation. The advantages of nanoscale emitters over fluorescent molecules are discussed in concluding section “Sensing and thinking” with a number of questions addressed to readers.

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    Alexander P. Demchenko

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Demchenko, A.P. (2015). Nanoscale Fluorescence Emitters. In: Introduction to Fluorescence Sensing. Springer, Cham. https://doi.org/10.1007/978-3-319-20780-3_5

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