Molecular kinetic aspects of vaporization of volatile coordination compounds with organic ligands

Lukashov V. V.; Makarov M. S.; Makarova S. N.; Igumenov I. K.

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Molecular kinetic aspects of vaporization of volatile coordination compounds with organic ligands

机译：用有机配体挥发配位蒸发的分子动力学方面

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We present results of the experimental study and numerical simulation of radiation-convective heat and mass transfer during the sublimation of spherical particles of metal beta-diketonates in a high-temperature inert gas flow (argon or helium). The sublimation process is visualized, and experimental data on the temperature variation dynamics and particle size are obtained. It is shown that at stable transfer of the compound from the particle surface the sublimation proceeds with the formation of large pores in its structure. The effect of inert gas properties on the kinetics of the vaporization process of precursor particles with various initial diameters is analyzed in the temperature range from 200 A degrees C to 330 A degrees C. Due to a higher thermal conductivity and heat capacity of helium as compared with argon, the choice of helium as carrier gas causes an increase in the sublimation intensity.

机译：本文介绍了金属β-二酮酸盐球形颗粒在高温惰性气体（氩或氦）中升华过程中辐射对流传热传质的实验研究和数值模拟结果。对升华过程进行了可视化，获得了温度变化动力学和粒度的实验数据。结果表明，当化合物从颗粒表面稳定转移时，升华进行，并在其结构中形成大孔。在200°C至330°C的温度范围内，分析了惰性气体性质对不同初始直径前驱体颗粒汽化过程动力学的影响。由于氦的热导率和热容高于氩，选择氦作为载气会导致升华强度增加。

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来源
《Journal of structural chemistry》 |2017年第8期|共9页
作者
Lukashov V. V.; Makarov M. S.; Makarova S. N.; Igumenov I. K.;
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作者单位

Russian Acad Sci Kutateladze Inst Thermophys Siberian Branch Novosibirsk Russia;

Russian Acad Sci Kutateladze Inst Thermophys Siberian Branch Novosibirsk Russia;

Russian Acad Sci Kutateladze Inst Thermophys Siberian Branch Novosibirsk Russia;

Russian Acad Sci Nikolaev Inst Inorgan Chem Siberian Branch Novosibirsk Russia;

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正文语种 eng
中图分类结构化学;
关键词
chemical vapor deposition; sublimation kinetics; heat and mass transfer; metal beta-diketonates;

机译：化学气相沉积;升华动力学;传热传质;金属β-二酮酸盐;

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2. Coordination polymers: Challenges and future scenarios for capture and degradation of volatile organic compounds [J] . Kowsalya Vellingiri, Pawan Kumar, Ki-Hyun Kim 纳米研究（英文版） . 2016,第011期
3. Ruthenium coordination compounds with polypyridyl:Ⅱ The interaction of Ruthenium(Ⅱ）mixed-ligand coordination compounds containing pyrido3,2-f1,7 [J] . 中国化学快报（英文版） . 1995,第004期
4. Molecular kinetic aspects of vaporization of volatile coordination compounds with organic ligands [J] . Lukashov V. V., Makarov M. S., Makarova S. N., Journal of structural chemistry . 2017,第8期

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Molecular kinetic aspects of vaporization of volatile coordination compounds with organic ligands

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