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Dynamic Study of Nanodroplet Nucleation and Growth Using Transmitted Electrons in ESEM

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Nanodroplets

Part of the book series: Lecture Notes in Nanoscale Science and Technology ((LNNST,volume 18))

Abstract

Experimental methods for wettability research are reviewed. A novel method for quantitative wettability study at nanoscale is presented. It is based on measuring transmitted electrons through nanodroplets using wet scanning transmission electron microscope (wet-STEM) detector in environmental scanning electron microscope (ESEM). The quantitative information of the nanodroplet shape and contact angle is obtained by fitting Monte Carlo simulation results for transmitted electrons with experimental results. Dynamic in situ imaging has showed that irregularities at the water film boundaries constituted nucleation sites for both dropwise and filmwise condensation. The initial stages of nucleation, growth, and coalescence have been studied as well as the growth power law dependence.

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Abbreviations

2D:

Two dimensional

3D:

Three dimensional

AFM:

Atomic force microscope

BF:

Bright field

EM:

Electron microscope

ESEM:

Environmental scanning electron microscope

ETEM:

Environmental TEM

FEG:

Field emission gun

MC:

Monte Carlo

MEMS and NEMS:

Micro/nano electromechanical systems

RH:

Relative humidity

RTD:

Resistive temperature device

SEM:

Scanning electron microscope

TEM:

Transmitted electron microscope

Wet-STEM:

Wet scanning transmission electron microscope

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Acknowledgments

The author thanks the “Center of Nanoscience and Nanotechnology” and the “Wolfson Applied Materials Research Center” at Tel-Aviv University for the ESEM facility.

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Authors and Affiliations

  1. Wolfson Applied Materials Research Center, Tel-Aviv University, Tel-Aviv, 69978, Israel

    Zahava Barkay

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  1. Zahava Barkay
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Correspondence to Zahava Barkay .

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Editors and Affiliations

  1. State Key Laboratory of Electronic, University of Electronic Science and Technology, Chengdu, People's Republic of China

    Zhiming M. Wang

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Barkay, Z. (2013). Dynamic Study of Nanodroplet Nucleation and Growth Using Transmitted Electrons in ESEM. In: Wang, Z. (eds) Nanodroplets. Lecture Notes in Nanoscale Science and Technology, vol 18. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-9472-0_3

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