Freezing of water droplets on silicon surfaces coated with various silanes

Shunsuke Suzuki; Akira Nakajima; Naoya Yoshida; Munetoshi Sakai; Ayako Hashimoto; Yoshikazu Kameshima; Kiyoshi Okada

doi:10.1016/j.cplett.2007.07.066

Freezing of water droplets on silicon surfaces coated with various silanes

Shunsuke Suzuki, Akira Nakajima, Naoya Yoshida, Munetoshi Sakai, Ayako Hashimoto, Yoshikazu Kameshima, Kiyoshi Okada

Research output: Contribution to journal › Article › peer-review

50 Citations (Scopus)

Abstract

The freezing behavior of a supercooled water droplet on a silicon surface treated with various silanes was observed directly using a high-speed camera system. Freezing stability is best ensured by heterogeneous nucleation from a three-phase (solid-liquid-air) contact line. Differential scanning calorimetry measurements revealed that the freezing temperature of a supercooled water droplet on a fluoroalkylsilane monolayer was lower than that of alkylsilane. Interaction between the fluorocarbon and water molecule, in addition to structural characteristics of silanes, might play an important role in the heterogeneous nucleation of supercooled water.

Original language	English
Pages (from-to)	37-41
Number of pages	5
Journal	Chemical Physics Letters
Volume	445
Issue number	1-3
DOIs	https://doi.org/10.1016/j.cplett.2007.07.066
Publication status	Published - Sep 4 2007
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1016/j.cplett.2007.07.066

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title = "Freezing of water droplets on silicon surfaces coated with various silanes",

abstract = "The freezing behavior of a supercooled water droplet on a silicon surface treated with various silanes was observed directly using a high-speed camera system. Freezing stability is best ensured by heterogeneous nucleation from a three-phase (solid-liquid-air) contact line. Differential scanning calorimetry measurements revealed that the freezing temperature of a supercooled water droplet on a fluoroalkylsilane monolayer was lower than that of alkylsilane. Interaction between the fluorocarbon and water molecule, in addition to structural characteristics of silanes, might play an important role in the heterogeneous nucleation of supercooled water.",

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AU - Suzuki, Shunsuke

AU - Nakajima, Akira

AU - Yoshida, Naoya

AU - Sakai, Munetoshi

AU - Hashimoto, Ayako

AU - Kameshima, Yoshikazu

AU - Okada, Kiyoshi

PY - 2007/9/4

Y1 - 2007/9/4

N2 - The freezing behavior of a supercooled water droplet on a silicon surface treated with various silanes was observed directly using a high-speed camera system. Freezing stability is best ensured by heterogeneous nucleation from a three-phase (solid-liquid-air) contact line. Differential scanning calorimetry measurements revealed that the freezing temperature of a supercooled water droplet on a fluoroalkylsilane monolayer was lower than that of alkylsilane. Interaction between the fluorocarbon and water molecule, in addition to structural characteristics of silanes, might play an important role in the heterogeneous nucleation of supercooled water.

AB - The freezing behavior of a supercooled water droplet on a silicon surface treated with various silanes was observed directly using a high-speed camera system. Freezing stability is best ensured by heterogeneous nucleation from a three-phase (solid-liquid-air) contact line. Differential scanning calorimetry measurements revealed that the freezing temperature of a supercooled water droplet on a fluoroalkylsilane monolayer was lower than that of alkylsilane. Interaction between the fluorocarbon and water molecule, in addition to structural characteristics of silanes, might play an important role in the heterogeneous nucleation of supercooled water.

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JO - Chemical Physics Letters

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Freezing of water droplets on silicon surfaces coated with various silanes

Abstract

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