功能组介导的蒸发凝聚力和纳米封闭工程水集群的协同作用在多功能MXene/iCOFs水凝中,用于耐盐的太阳能驱动界面蒸发
Yufan Ding1, Qingqing Pan1, Haowen Li1
1School of Marine Science and Technology, Harbin Institute of Technology, Weihai 264209, P. R. China.
Environmental science & technology
|January 30, 2026
概括
一种新的水凝增强了太阳能驱动的界面蒸发 (SDIE) 用于净化水. 这种材料提高了蒸发速度和耐盐性,为海水淡化和污染物清除提供了可持续的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
- 环境科学 环境科学
背景情况:
- 太阳能驱动的界面蒸发 (SDIE) 显示了可持续水资源管理的前景.
- 现有的SDIE系统在蒸发效率和耐盐性之间保持平衡.
- 需要先进的材料来克服盐水管理和水净化方面的局限性.
研究的目的:
- 开发一种新的水凝,以提高SDIE性能和耐盐性.
- 研究功能组和纳米封闭在调节蒸发和海水淡化中的作用.
- 为了证明该材料在长期海水淡化和污染物清除方面的有效性.
主要方法:
- 使用MXene和离子共价有机框架 (iCOFs) 制造水凝.
- 在水凝结构内工程功能组和纳米封闭.
- 在模拟的太阳辐射下,对蒸发速度,耐盐性和污染物去除效率的表征.
主要成果:
- 优化的MXene/iCOFs水凝实现了56%的蒸发率提高 (2.91 kg m-2 h-1).
- 水凝在20%重量%的盐溶液中和60小时的连续海水淡化过程中表现稳定.
- 实现了99.99%的重金属离子,抗生素和染料的去除率,在极端温度下保持稳定的性能.
结论:
- 功能组介导和纳米封闭工程水凝有效地提高了SDIE性能和耐盐性.
- 开发的材料为高效,长期的海水淡化和广泛的污染物去除提供了有前途的战略.
- 这种方法为设计用于可持续水处理的先进SDIE系统提供了新的途径.
相关概念视频
Solvents
A solvent is a substance, most often a liquid, that can dissolve other substances. Here, the substance being dissolved is called a solute. When a solvent and a solute combine, they form a solution - a homogenous mixture of both the solvent and the solute. Water is a universal biological solvent. Its polar structure allows it to dissolve many other polar compounds. The ability of water to dissolve is governed by a balance between water molecules binding to each other and binding to the solute.
A...
A...
Cohesion
Cohesion is the attraction between molecules of the same type, such as water molecules. Water molecules have an overall neutral charge but are polar molecule. An oxygen atom in one water molecule has a partial negative charge that can bind to a hydrogen atom with a partial positive charge in a second water molecule, forming a hydrogen bond. Each water molecule can form up to four hydrogen bonds with other water molecules. Hydrogen bonds are responsible for water's cohesive nature.
On a surface,...
On a surface,...
Intermolecular Forces
Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen bonds, and dispersion...
Aqueous Solutions and Heats of Hydration
Water and other polar molecules are attracted to ions. The electrostatic attraction between an ion and a molecule with a dipole is called an ion-dipole attraction. These attractions play an important role in the dissolution of ionic compounds in water.
When ionic compounds dissolve in water, the ions in the solid separate and disperse uniformly throughout the solution because water molecules surround and solvate the ions, reducing the strong electrostatic forces between them. This process...
When ionic compounds dissolve in water, the ions in the solid separate and disperse uniformly throughout the solution because water molecules surround and solvate the ions, reducing the strong electrostatic forces between them. This process...
Entropy and Solvation
The process of surrounding a solute with solvent is called solvation. It involves evenly distributing the solute within the solvent. The rule of thumb for determining a solvent for a given compound is that like dissolves like. A good solvent has molecular characteristics similar to those of the compound to be dissolved. For example, polar solutions dissolve polar solutes, and apolar solvents dissolve apolar solutes. A polar solvent is a solvent that has a high dielectric constant (ϵ ≥ 15); an...
Energetics of Solution Formation
The formation of a solution is an example of a spontaneous process, which is a process that occurs under specified conditions without energy from some external source.
When the strengths of the intermolecular forces of attraction between solute and solvent species in a solution are no different than those present in the separated components, the solution is formed with no accompanying energy change. Formation of the solution requires the solute–solute and solvent–solvent electrostatic forces to...
When the strengths of the intermolecular forces of attraction between solute and solvent species in a solution are no different than those present in the separated components, the solution is formed with no accompanying energy change. Formation of the solution requires the solute–solute and solvent–solvent electrostatic forces to...


