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Bismuth chalcohalides (BiSeI and BiSI), a class of superior light absorbers, have recently garnered great attention owing to their promise in constructing next‐generation optoelectronic devices. However, to date, the photodetection application of bismuth chalcohalides is still limited due to the challenge in controllable preparation. Herein, the synthesis of large‐scale quasi‐1D BiSeI nanowires via...
Vacuum vapor deposition (VVD) is a promising way to advancing the commercialization of perovskite light sources owing to its convenience for wafer‐scale mass production and compatibility with silicon photonics manufacturing infrastructure. However, the light emission performance of VVD‐grown perovskites still lags far behind that of the conventional solution‐processed counterparts due to their inferior...
Rational regulation of the composition and structure of electrocatalysts is crucial to the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). Herein, a new electrocatalyst of nickel phosphate microprism (VSB/NiPO) is developed via a simple solvothermal reaction. The microprism is mainly composed of Versailles‐Santa Barbara‐5 (VSB‐5, molecular sieve) with unique nanochannels, which...
Neural stem cells (NSCs) are used to treat various nervous system diseases because of their self‐renewal ability and multidirectional differentiation potential. However, an insufficient ability to track their migration in vivo and poor control over their survival and differentiation efficiency are two major critical challenges for clinical application. Here, it is shown that when magnetic nanobubbles...
Hydrogen storage in metal hydrides is a promising solution for sustainable and clean energy carriers. Although Mg‐based metal hydrides are considered as potential hydrogen storage media, severe surface passivation has limited their industrial application. In this study, a simple, cheap, and efficient method is proposed to produce highly reactive and air‐stable bulk Mg–Ni‐based hydrides by rapid treatment...
In article number 1905209, Yuchao Li, Yao Zhang, and co‐workers report a bio‐conveyor belt that is assembled from biological cells and applied for the bidirectional transport of nanoparticles and cells. The bio‐conveyor belt can also be assembled with mammal cells and then devoted to the transport of cells in vivo. This work is envisioned to provide a noninvasive and biocompatible tool for bioassays,...
The bidirectional transport of nanoparticles and biological cells is of great significance in efficient biological assays and precision cell screening, and can be achieved with optical conveyor belts in a noncontact and noninvasive manner. However, implantation of these belts into biological systems can present significant challenges owing to the incompatibility of the artificial materials. In this...
2D metal oxide nanosheets have attracted substantial attention for various applications owing to their appealing advantages. Yet, the exploration of effective methodology for fabrication of metallic 2D metal oxides with a high concentration of N dopants in a scalable manner remains challenging. Herein, a topochemical strategy is demonstrated on vanadium oxide nanosheets by combining 2D nanostructuring,...
In article number 1900583, Kun Rui, Jiaxu Yan, Jixin Zhu, and co‐workers report a topochemical strategy for large‐scale production of 2D vanadium oxide nanosheets featured with desirable metallic electron transportation. As evidenced by density functional theory calculations and experimental results, the electron band structure engineering can be realized by rational incorporation of nitrogen dopants...
Nanostructured carbon materials play essential roles in electrochemical energy storage devices. However, scalable production of high surface area carbon with a cost‐effective process while controlling the morphology is challenging. Herein, a one‐step procedure to produce carbon sheets with very high specific surface area up to 3411 m2 g−1 by direct pyrolysis of dipotassium ethylene diamine tetraacetate...
Novel F‐CuO and FeOOH hollow octahedra are developed through a facile structure‐evolution reaction. The formation of interior voids within the hierarchical octahedra is motivated by the Cl− ions based etching, under a precise control over reaction agents and conditions. Owing to the synergistic effect of unique structural features and favorable composition, the hollow octahedra exhibit superior lithium‐storage...
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