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Graphene nanoribbons (GNRs) are promising in nanoelectronics for their quasi‐1D structures with tunable bandgaps. The methods for controllable fabrication of high‐quality GNRs are still limited. Here a way to generate sub‐5‐nm GNRs by annealing single‐walled carbon nanotubes (SWCNTs) on Cu(111) is demonstrated. The structural evolution process is characterized by low‐temperature scanning tunneling...
Traditional metal‐organic frameworks (MOFs) based micro/nanomotors (MOFtors) can achieve three‐dimensional (3D) motion mainly depending on noble metal (e.g., Pt), toxic fuels (e.g., hydrogen peroxide), and surfactants, or under external magnetic fields. In this study, light‐driven MOFtors are constructed based on PCN‐224(H) and regulated their photothermal and photochemical properties responding to...
Room temperature phosphorescence (RTP) has emerged as an interesting but rare phenomenon with multiple potential applications in anti‐counterfeiting, optoelectronic devices, and biosensing. Nevertheless, the pursuit of ultralong lifetimes of RTP under visible light excitation presents a significant challenge. Here, new phosphorescent materials that can be excited by visible light with record‐long...
Organic–inorganic hybrid lead halide perovskites (OLHPs), represented by (CH3NH3)PbI3, are one of the research focus due to their exceptional performance in optoelectronic applications, and ferroelastic domain walls are benign to their charge carrier transport that is confirmed recently. Among them, the 1D OLHPs feature better stability against desorption and moisture, but related 1D ones possessing...
1D van der Waals (vdW) materials have attracted significant interest in recent years due to their giant anisotropic and weak interlayer‐coupled characters. More 1D vdW materials are urgently to be exploited for satisfying the practice requirement. Herein, the study of 1D vdW ternary HfSnS3 high‐quality single crystals grown via the chemical vapor transport technique is reported. The Raman vibration...
Highly Volumetric‐Performance Supercapacitors
The structural disorder and low crystallinity of source material can restrict the generation of graphitized microcrystals. Inspired by high cellulose content from natural ramie, in article number 2303349, Weiqing Yang and co‐workers report a simple capillary evaporation method to efficiently build the high‐dense conductive ramie carbon with highly graphitized...
Conductive biomass carbon possesses unique properties of excellent conductivity and outstanding thermal stability, which can be widely used as conductive additive. However, building the high‐dense conductive biomass carbon with highly graphitized microcrystals at a lower carbonization temperature is still a major challenge because of structural disorder and low crystallinity of source material. Herein,...
A Zn anode can offset the low energy density of a flow battery for a balanced approach toward electricity storage. Yet, when targeting inexpensive, long‐duration storage, the battery demands a thick Zn deposit in a porous framework, whose heterogeneity triggers frequent dendrite formation and jeopardizes the stability of the battery. Here, Cu foam is transferred into a hierarchical nanoporous electrode...
Covalent organic frameworks (COFs) show potentials in prominent photoelectric responses by judicious structural design. However, from the selections of monomers and condensation reactions to the synthesis procedures, the acquisition of photoelectric COFs has to meet overmuch high conditions, limiting the breakthrough and modulation in photoelectric responses. Herein, the study reports a creative “lock‐key...
Fe‐based mixed phosphate cathodes for Na‐ion batteries usually possess weak rate capacity and cycle stability challenges resulting from sluggish diffusion kinetics and poor conductivity under the relatively low preparation temperature. Here, the excellent sodium storage capability of this system is obtained by introducing the high‐entropy doping to enhance the electronic and ionic conductivity. As...