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Atomically thin two‐dimensional (2D) materials have emerged as promising candidates for efficient energy harvesting from ionic gradients. However, the exploration of robust 2D atomically thin nanopore membranes, which hold sufficient ionic selectivity and high ion permeability, remains challenging. Here, the single‐layer hexagonal boron nitride (hBN) nanopores are demonstrated as various high‐performance...
The construction of hollow metallic microspheres with rationally designed building blocks of the metal shell is a promising way to achieve low density and functionality control, but the microengineering of the metallic structures on a micrometer spherical surface is a great challenge. In the present work, a novel and simple calcination‐induced aggregation strategy is developed to realize the distribution...
Molecular ferroelectrics (MFs) have been proven to demonstrate excellent properties even comparable to those of inorganic counterparts usually with heavy metals. However, the validation of their device applications is still at the infant stage. The polycrystalline feature of conventionally obtained MF films, the patterning challenges for microelectronics and the brittleness of crystalline films significantly...
In article number 2002169, Wu Wei, Yan Li, Tiangang Liu, and co‐workers develop a novel detection technology, nanopore targeted sequencing (NTS), for the accurate and comprehensive detection of SARS‐CoV‐2 and other respiratory viruses. This detection technology is suitable for the identification of suspected COVID‐19 cases and can also monitor mutations in the virus and the type of virus.
The ongoing global novel coronavirus pneumonia COVID‐19 outbreak has engendered numerous cases of infection and death. COVID‐19 diagnosis relies upon nucleic acid detection; however, currently recommended methods exhibit high false‐negative rates and are unable to identify other respiratory virus infections, thereby resulting in patient misdiagnosis and impeding epidemic containment. Combining the...
Among all typical transition‐metal dichalcogenides (TMDs), the bandgap of α‐MoTe2 is smallest and is close to that of conventional 3D Si. The properties of α‐MoTe2 make it a favorable candidate for future electronic devices. Even though there are a few reports regarding fabrication of complementary metal–oxide‐semiconductor (CMOS) inverters or p–n junction by controlling the charge‐carrier polarity...
2D β‐Ga2O3 nanosheets, as fundamental materials, have great potential in next generations of ultraviolet transparent electrodes, high‐temperature gas sensors, solar‐blind photodetectors, and power devices, while their synthesis and growth with high crystalline quality and well‐controlled orientation have not been reported yet. The present study demonstrates how to grow single‐crystalline ultrathin...
Graphene is characterized by demonstrated unique properties for potential novel applications in photodetection operated in the frequency range from ultraviolet to terahertz. To date, detailed work on identifying the origin of photoresponse in graphene is still ongoing. Here, scanning photocurrent microscopy to explore the nature of photocurrent generated at the monolayer–multilayer graphene junction...
A straightforward method to generate both atomic‐scale sharp and atomic‐scale planar electrodes is reported. The atomic‐scale sharp electrodes are generated by precisely stretching a suspended nanowire, while the atomic‐scale planar electrodes are obtained via mechanically controllable interelectrodes compression followed by a thermal‐driven atom migration process. Notably, the gap size between the...
In article number 1703815, Zongliang Li, Takhee Lee, Dong Xiang, and co‐workers fabricate both atomic‐scale sharp and atomic‐scale planar electrodes by pure mechanical operation, and the gap size between electrodes can be controlled with sub‐angstrom accuracy. With these two achievements, the electron transport as well as Raman scattering in the molecular junctions are well modulated.
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