A method for nanoparticle characterization by laser induced detuning of quartz crystal microbalance (LID-QCM)

Alexey Fomin, Marina Poliak, Vladimir Tsionsky, Sergey Cheskis, Igor Rahinov

פרסום מחקרי: פרסום בכתב עתמאמרביקורת עמיתים

תקציר

The effect of quartz crystal resonance frequency increase upon light irradiation is studied under various conditions, including vacuum. This effect is most probably of a thermal origin and can be attributed to inhomogeneous heating. The magnitude of this effect depends linearly on the amount of energy absorbed by the quartz crystal electrodes. It allows for additional in situ characterization of nanoparticles (NPs) formed in a flame. This type of characterization is demonstrated by the distinction between different flame-synthesized NPs deposited on the quartz crystal surface via molecular beam sampling.

שפה מקוריתאנגלית
עמודים (מ-עד)861-865
מספר עמודים5
כתב עתSensors and Actuators, B: Chemical
כרך202
מזהי עצם דיגיטלי (DOIs)
סטטוס פרסוםפורסם - 31 אוק׳ 2014

הערה ביבליוגרפית

Funding Information:
The authors would like to express their gratitude to Dr. Valery Bulatov for the help with the measurements of optical absorption spectra of the QCMs. This work was supported in part by the Israel Science Foundation (Grant No. 1149/12), Israel Ministry of Energy and Water Resources (Grant No. 211-11-007/2011-7-10), and the Research Authority of The Open University of Israel (Grant No. 47324).

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