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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/2620

Title: Photothermal Characterization of Nanogold Under Conditions of Resonant Excitation and Energy Transfer
Authors: Santhi Ani, Joseph
Mathew, S
Gaurav, Sharma
Misha, Hari
Achamma, Kurian
Radhakrishnan, P
Technology
Keywords: Nanogold
Thermal diffusion
Thermal lens
Heat transfer fluids
Issue Date: 2010
Publisher: Springer
Abstract: We have performed thermal diffusion measurements of nanofluid containing gold and rhodamine 6G dye in various ratios. At certain concentrations, gold is nearly four times more efficient than water in dissipating small temperature fluctuations in a medium, and therefore it will find applications as heat transfer fluids. We have employed dual-beam mode-matched thermal lens technique for the present investigation. It is a sensitive technique in measuring photothermal parameters because of the use of a lowpower, stabilized laser source as the probe. We also present the results of fluorescence measurements of the dye in the nanogold environment.
URI: http://dyuthi.cusat.ac.in/purl/2620
Appears in Collections:Dr. V P N Nampoori

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