Nanomechanical Sensing Using Heater-Integrated Fluidic Resonators

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Micro/nanochannel resonators have been used to measure cells, suspended nanoparticles, or liquids, primarily at or near room temperature while their high temperature operation can offer promising applications such as calorimetric measurements and thermogravimetric analysis. To date, global electrothermal or local photothermal heating mechanisms have been attempted for channel resonators, but both approaches are intrinsically limited by a narrow temperature modulation range, slow heating/cooling, less quantita-tive heating, or time-consuming optical alignment. Here, we introduce heater-integrated fluidic resonators (HFRs) that enable fast, quantitative, alignment-free, and wide-range temperature modulation and simultaneously offer resistive thermometry and resonant densitometry. HFRs with or without a dispensing nozzle are fabricated, thoroughly characterized, and used for high throughput thermophysical properties measurements, microchannel boiling studies, and atomized spray dispensing. The HFR, without a doubt, opens a new avenue for nanoscale thermal analysis and processing and further encourages the integration of additional functions into channel resonators.
Publisher
AMER CHEMICAL SOC
Issue Date
2022-10
Language
English
Article Type
Article
Citation

NANO LETTERS, v.22, no.19, pp.7768 - 7775

ISSN
1530-6984
DOI
10.1021/acs.nanolett.2c01572
URI
http://hdl.handle.net/10203/301332
Appears in Collection
ME-Journal Papers(저널논문)
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