One-Step Synthesis of Solid–Liquid Composite Microsphere for CO2 Capture

2021 ◽  
Vol 13 (4) ◽  
pp. 5814-5822
Author(s):  
Lijuan Wei ◽  
Wei Wei ◽  
Nan Xue ◽  
Fangqin Cheng ◽  
Hengquan Yang
Keyword(s):  
Co2 Capture ◽  
Composite Microsphere ◽  
One Step ◽  
Solid Liquid

A Study on the Rearrangement of Dialkyl 1-Aryl-1-hydroxymethylphosphonates to Benzyl Phosphates

2020 ◽  
Vol 24 (4) ◽  
pp. 465-471 ◽  
Author(s):  
Zita Rádai ◽  
Réka Szabó ◽  
Áron Szigetvári ◽  
Nóra Zsuzsa Kiss ◽  
Zoltán Mucsi ◽  
...  
Keyword(s):  
Quantum Chemical ◽  
Room Temperature ◽  
Phase Transfer ◽  
One Pot ◽  
Substrate Dependence ◽  
Triethylbenzylammonium Chloride ◽  
One Step ◽  
The Pudovik Reaction ◽  
The One ◽  
Solid Liquid

The phospha-Brook rearrangement of dialkyl 1-aryl-1-hydroxymethylphosphonates (HPs) to the corresponding benzyl phosphates (BPs) has been elaborated under solid-liquid phase transfer catalytic conditions. The best procedure involved the use of triethylbenzylammonium chloride as the catalyst and Cs2CO3 as the base in acetonitrile as the solvent at room temperature. The substrate dependence of the rearrangement has been studied, and the mechanism of the transformation under discussion was explored by quantum chemical calculations. The key intermediate is an oxaphosphirane. The one-pot version starting with the Pudovik reaction has also been developed. The conditions of this tandem transformation were the same, as those for the one-step HP→BP conversion.

scholarly journals Constructing Large 2D Lattices Out of DNA-Tiles

Molecules ◽  
2021 ◽  
Vol 26 (6) ◽  
pp. 1502
Author(s):  
Johannes M. Parikka ◽  
Karolina Sokołowska ◽  
Nemanja Markešević ◽  
J. Jussi Toppari
Keyword(s):  
Self Assembly ◽  
Dna Nanotechnology ◽  
Building Blocks ◽  
High Yield ◽  
Dna Nanostructures ◽  
Liquid Interfaces ◽  
Basic Principles ◽  
Dna Tiles ◽  
One Step ◽  
Solid Liquid

The predictable nature of deoxyribonucleic acid (DNA) interactions enables assembly of DNA into almost any arbitrary shape with programmable features of nanometer precision. The recent progress of DNA nanotechnology has allowed production of an even wider gamut of possible shapes with high-yield and error-free assembly processes. Most of these structures are, however, limited in size to a nanometer scale. To overcome this limitation, a plethora of studies has been carried out to form larger structures using DNA assemblies as building blocks or tiles. Therefore, DNA tiles have become one of the most widely used building blocks for engineering large, intricate structures with nanometer precision. To create even larger assemblies with highly organized patterns, scientists have developed a variety of structural design principles and assembly methods. This review first summarizes currently available DNA tile toolboxes and the basic principles of lattice formation and hierarchical self-assembly using DNA tiles. Special emphasis is given to the forces involved in the assembly process in liquid-liquid and at solid-liquid interfaces, and how to master them to reach the optimum balance between the involved interactions for successful self-assembly. In addition, we focus on the recent approaches that have shown great potential for the controlled immobilization and positioning of DNA nanostructures on different surfaces. The ability to position DNA objects in a controllable manner on technologically relevant surfaces is one step forward towards the integration of DNA-based materials into nanoelectronic and sensor devices.

One-step fabrication of PEI-modified GO particles for CO2 capture

2019 ◽  
Vol 125 (3) ◽  
Author(s):  
Yi He ◽  
Yu Xia ◽  
Jin Zhao ◽  
Yongjiao Song ◽  
Longfei Yi ◽  
...  
Keyword(s):  
Co2 Capture ◽  
One Step

scholarly journals Spontaneous outflow efficiency of confined liquid in hydrophobic nanopores

2020 ◽  
Vol 117 (41) ◽  
pp. 25246-25253
Author(s):  
Yuan Gao ◽  
Mingzhe Li ◽  
Yue Zhang ◽  
Weiyi Lu ◽  
Baoxing Xu
Keyword(s):  
Molecular Dynamics ◽  
Molecular Outflow ◽  
Material Systems ◽  
Liquid Material ◽  
Fundamental Understanding ◽  
Nonwetting Liquid ◽  
One Step ◽  
Dynamics Simulations ◽  
Solid Liquid ◽  
Remarkable Agreement

The suspension of nanoporous particles in a nonwetting liquid provides a unique solution to the crux of superfluid, sensing, and energy conversion, yet is challenged by the incomplete outflow of intruded liquid out of nanopores for the system reusability. We report that a continuous and spontaneous liquid outflow from hydrophobic nanopores with high and stable efficiency can be achieved by regulating the confinement of solid–liquid interactions with functionalized nanopores or/and liquids. Full-scale molecular-dynamics simulations reveal that the grafted silyl chains on nanopore wall surfaces will promote the hydrophobic confinement of liquid molecules and facilitate the molecular outflow; by contrast, the introduction of ions in the liquid weakens the hydrophobic confinement and congests the molecular outflow. Both one-step and multistep well-designed quasistatic compression experiments on a series of nanopores/nonwetting liquid material systems have been performed, and the results confirm the outflow mechanism in remarkable agreement with simulations. This study offers a fundamental understanding of the outflow of confined liquid from hydrophobic nanopores, potentially useful for devising emerging nanoporous-liquid functional systems with reliable and robust reusability.

An Efficient Solid–Liquid Biphasic Solvent for CO2 Capture: Crystalline Powder Product and Low Heat Duty

2020 ◽  
Vol 8 (38) ◽  
pp. 14493-14503
Author(s):  
Zhibiao Chen ◽  
Guohua Jing ◽  
Bihong Lv ◽  
Zuoming Zhou
Keyword(s):  
Co2 Capture ◽  
Crystalline Powder ◽  
Powder Product ◽  
Solid Liquid

scholarly journals Carbon Capture From Flue Gas and the Atmosphere: A Perspective

2020 ◽  
Vol 8 ◽  
Author(s):  
Xiaoxing Wang ◽  
Chunshan Song
Keyword(s):  
Research And Development ◽  
Co2 Capture ◽  
Flue Gas ◽  
Carbon Capture ◽  
Co2 Concentration ◽  
Current Status ◽  
Future Directions ◽  
Advantages And Disadvantages ◽  
One Step ◽  
Single Capture

Climate change has become a worldwide concern with the rapid rise of the atmospheric Co2 concentration. To mitigate Co2 emissions, the research and development efforts in Co2 capture and separation both from the stationary sources with high Co2 concentrations (e.g., coal-fired power plant flue gas) and directly from the atmosphere have grown significantly. Much progress has been achieved, especially within the last twenty years. In this perspective, we first briefly review the current status of carbon capture technologies including absorption, adsorption, membrane, biological capture, and cryogenic separation, and compare their advantages and disadvantages. Then, we focus mainly on the recent advances in the absorption, adsorption, and membrane technologies. Even though numerous optimizations in materials and processes have been pursued, implementing a single separation process is still quite energy-intensive or costly. To address the challenges, we provide our perspectives on future directions of Co2 capture research and development, that is, the combination of flue gas recycling and hybrid capture system, and one-step integrated Co2 capture and conversion system, as they have the potential to overcome the technical bottlenecks of single capture technologies, offering significant improvement in energy efficiency and cost-effectiveness.

A novel solid-liquid ‘phase controllable’ biphasic amine absorbent for CO2 capture

2021 ◽  
pp. 132932
Author(s):  
Xiaoyi Gao ◽  
Xin Li ◽  
Siyi Cheng ◽  
Bihong Lv ◽  
Guohua Jing ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Co2 Capture ◽  
Solid Liquid
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