An ultrathin and highly porous silica nanochannel membrane: toward highly efficient salinity energy conversion

2019 ◽  
Vol 7 (5) ◽  
pp. 2385-2391 ◽  
Author(s):  
Fei Yan ◽  
Lina Yao ◽  
Kenxin Chen ◽  
Qian Yang ◽  
Bin Su
Keyword(s):  
Energy Conversion ◽  
Porous Silica ◽  
Power Source ◽  
Highly Efficient ◽  
Salinity Gradients ◽  
Highly Porous

An ultrathin and highly porous silica isoporous membrane was employed as a nanofluidic power source to harness osmotic energy from salinity gradients.

Lamellar Porous Vermiculite Membranes for Boosting Nanofluidic Osmotic Energy Conversion

2021 ◽  
Author(s):  
Li Cao ◽  
Hong Wu ◽  
Chunyang Fan ◽  
Zhiming Zhang ◽  
Benbing Shi ◽  
...  
Keyword(s):  
Energy Conversion ◽  
Power Density ◽  
Great Promise ◽  
Two Dimensional ◽  
Nanofluidic Channels ◽  
Salinity Gradients ◽  
Transmembrane Resistance

Lamellar membranes with two-dimensional nanofluidic channels hold great promise in harvesting osmotic energy from salinity gradients. However, the power density is often limited by the high transmembrane resistance primarily caused...

Anchoring Sites Engineering in Single‐Atom Catalysts for Highly Efficient Electrochemical Energy Conversion Reactions

2021 ◽  
pp. 2102801
Author(s):  
Yufei Zhao ◽  
Wen‐Jie Jiang ◽  
Jinqiang Zhang ◽  
Emma C. Lovell ◽  
Rose Amal ◽  
...  
Keyword(s):  
Energy Conversion ◽  
Single Atom ◽  
Highly Efficient ◽  
Electrochemical Energy Conversion ◽  
Electrochemical Energy

Sol-Gel Derived Silica Layers for Low-k Dielectrics Applications

2000 ◽  
Vol 612 ◽  
Author(s):  
Sylvie Acosta ◽  
André Ayral ◽  
Christian Guizard ◽  
Charles Lecornec ◽  
Gérard Passemard ◽  
...  
Keyword(s):  
Average Pore Size ◽  
Sol Gel ◽  
Porous Silica ◽  
Thin Layers ◽  
Gaseous Ammonia ◽  
Potential Candidate ◽  
Average Pore ◽  
Synthesis Strategy ◽  
Silica Layers ◽  
Highly Porous

AbstractPorous silica exhibits attractive dielectric properties, which make it a potential candidate for use as insulator into interconnect structures. A new way of preparation of highly porous silica layers by the sol-gel route was investigated and is presented. The synthesis strategy was based on the use of common and low toxicity reagents and on the development of a simple process without gaseous ammonia post-treatment or supercritical drying step. Defect free layers were deposited by spin coating on 200 mm silicon wafers and characterized. Thin layers with a total porosity larger than 70% and an average pore size of 5 nm were produced. The dielectric constant measured under nitrogen flow on these highly porous layers is equal to ∼ 2.5, which can be compared to the value calculated from the measured porosity, ∼ 1.9. This difference is explained by the presence of water adsorbed on the hydrophilic surface of the unmodified silica.

Incorporation of Anatase TiO 2 to Highly Porous Silica (BMMs) for Photo‐Degradation of Alizarin Red Dye in Aqueous Solution

2021 ◽  
Vol 6 (26) ◽  
pp. 6816-6825
Author(s):  
Anadil Gul ◽  
Jihong Sun ◽  
Raza Ullah ◽  
Tallat Munir ◽  
Shiyang Bai
Keyword(s):  
Aqueous Solution ◽  
Porous Silica ◽  
Alizarin Red ◽  
Photo Degradation ◽  
Red Dye ◽  
Highly Porous

Hollow mesoporous carbon nanocages with Fe isolated single atomic site derived from MOF/polymer for highly efficient electrocatalytic oxygen reduction

2021 ◽  
Author(s):  
Kai Zhang ◽  
Bai Yang ◽  
Congcong Wang ◽  
Yixin Chen ◽  
Ying Liu ◽  
...  
Keyword(s):  
Oxygen Reduction Reaction ◽  
Energy Conversion ◽  
Oxygen Reduction ◽  
Mesoporous Carbon ◽  
Reduction Reaction ◽  
Atomic Site ◽  
Highly Efficient ◽  
Electrocatalytic Oxygen Reduction ◽  
Conversion Technologies

Exploring sustainable and highly activity electrocatalysts for the oxygen reduction reaction (ORR) is vital for the development and application of energy conversion technologies. Here, we prepared Fe isolated-single atomic-site (ISAs)...

A universal route to N-coordinated metals anchored on porous carbon nanosheets for highly efficient oxygen electrochemistry

2019 ◽  
Vol 7 (22) ◽  
pp. 13591-13601 ◽  
Author(s):  
Jin-Tao Ren ◽  
Zhong-Yong Yuan
Keyword(s):  
Oxygen Reduction ◽  
Oxygen Evolution ◽  
Porous Carbon ◽  
Carbon Nanosheets ◽  
Highly Efficient ◽  
Electrocatalytic Oxygen Reduction ◽  
Highly Porous ◽  
Oxygen Electrochemistry

Highly porous carbon nanosheets with N-coordinated metals are rationally developed and show outstanding electrocatalytic oxygen reduction and oxygen evolution performance.

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