稀释富勒伦二元和三元芳香溶剂混合物的异热和非异热传输特性
A Errarte1, D Sommermann2, V Shevtsova1,3
1Fluid Mechanics group, Faculty of Engineering, Mondragon University, Arrasate-Mondragon, Spain. mbouali@mondragon.edu.
Physical chemistry chemical physics : PCCP
|July 11, 2024
概括
我们研究了C60烯在芳香溶剂中的运输. 分子重量,密度和粘度影响扩散和热扩散,影响烯.
科学领域:
- 物理化学 物理化学
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
背景情况:
- 了解富勒的质量传输特性对于它们在各种领域的应用至关重要.
- 芳香溶剂是用于烯加工和研究的常见介质.
- 富勒烯的运输受溶剂特性和热力学条件的影响.
研究的目的:
- 为了确定C60富勒烯的质量传输特性 (分子扩散,热扩散,索雷特系数).
- 为了研究溶剂性质 (密度,粘度) 对富勒烯运输的影响.
- 为计算运输系数提供热光学数据.
主要方法:
- 使用光束偏移和热重力柱技术.
- 测量了分子扩散,热扩散和索雷特系数.
- 在298.15 K和0.101 MPa时确定了热光学性能.
主要成果:
- 运输特性主要取决于C60与溶剂的分子量比.
- 同热扩散是密度主导的,而非同热热扩散则受到动态粘度的影响.
- 索雷特系数取决于密度和惯性瞬间.
结论:
- 该研究阐明了决定C60烯在芳香溶剂中的运输的关键物理参数.
- 结果突出了密度和粘度在异热和非异热条件下的不同作用.
- 这项研究为预测和控制溶液中富勒的行为提供了有价值的数据.
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