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The electrochemical reduction of carbon dioxide (CO2) to ethylene creates a carbon‐neutral approach to converting carbon dioxide into intermittent renewable electricity. Exploring efficient electrocatalysts with potentially high ethylene selectivity is extremely desirable, but still challenging. In this report, a laboratory‐designed catalyst HKUST‐1@Cu2O/PTFE‐1 is prepared, in which the high specific...
Emerging artificial photosynthesis promises to offer a competitive means for solar energy conversion and further solves the energy crisis facing the world. Hydrogen peroxide (H2O2), which is considered as a benign oxidant and a prospective liquid fuel, has received worldwide attention in the field of artificial photosynthesis on account of the source materials are just oxygen, water, and sunlight...
Use of 2D materials as buffer layers has prospects in nitride epitaxy on symmetry mismatched substrates. However, the control of lattice arrangement via 2D materials at the heterointerface presents certain challenges. In this study, the epitaxy of single‐crystalline GaN film on WS2‐glass wafer is successfully performed by using the strong polarity of WS2 buffer layer and its perfectly matching lattice...
Semiconductors
In article number 2202529, Tongbo Wei, Zhongfan Liu, Peng Gao, Zhiqiang Liu, and co‐workers find that geometry matched WS2 can provide a proper lattice potential field for nitrides epitaxial growth. By using a transferred WS2 buffer layer, a single‐crystalline GaN epilayer can be obtained on an amorphous quartz glass by heterogenous epitaxy.
2D materials are now at the forefront of state‐of‐the‐art nanotechnologies due to their fascinating properties and unique structures. As expected, low‐cost, high‐volume, and high‐quality 2D materials play an important role in the applications of flexible devices. Although considerable progress has been achieved in the integration of a series of novel 2D materials beyond graphene into flexible devices,...
In this work, by combining the superiority of polyoxometalates (POMs) and catalytic single‐metal site Co of metalloporphyrin, a series of mixed‐valence POM‐based metal‐organic frameworks (MOFs) composites is synthesized by a post‐modification method. The electron‐transfer property of POM@PCN‐222(Co) composite is significantly enhanced owing to the directional electron‐transfer from POM to single‐metal...
By combining the superiority of polyoxometalate (POM) and single‐metal site Co in porphyrin, a POM‐based metal–organic framework composite has been constructed by Wen‐Wen He, Ya‐Qian Lan, Shengqian Ma, and co‐workers (article number 2100762). Directional electron transfer from POM to the single‐metal site Co in PCN‐222(Co) accelerates electron‐transfer efficiency thereby affording high electrocatalytic...
Synthetic water channels offer great promise to replace natural aquaporins (AQPs) for making new‐generation biomimetic membranes for water treatment. However, the water permeability of the current synthetic water channels is still far below that of AQPs. Here, peptide‐attached (pR)‐pillar[5]arene (pR‐PH) channels are reported to mimic the high permeability of AQPs. It is demonstrated that the pR‐PH...
The deterioration of water resources due to oil pollution, arising from oil spills, industrial oily wastewater discharge, etc., urgently requires the development of novel functional materials for highly efficient water remediation. Recently, superhydrophilic and underwater superoleophobic materials have drawn significant attention due to their low oil adhesion and selective oil/water separation. However,...
The increasing number of oil spill accidents have a catastrophic impact on our aquatic environment. Recently, special wettable materials used for the oil/water separation have received significant research attention. Due to their opposing affinities towards water and oil, i.e., hydrophobic and oleophilic, or hydrophilic and oleophobic, such materials can be used to remove only one phase from the oil/water...
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