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CaZnOS‐based semiconductors are the only series of material system discovered that can simultaneously realize a large number of dopant elements to directly fulfill the highly efficient full‐spectrum functionality from ultraviolet to near‐infrared under the same force/pressure. Nevertheless, owing to the high agglomeration of the high temperature solid phase manufacturing process, which is unable to...
Organic electrode materials with the advantages of renewability, environment‐friendliness, low cost, and high capacity have received widespread attention in recent years for sodium‐ion batteries. However, small molecular organic materials suffer from issues such as low conductivity and the high dissolution rate in electrolytes. Herein, a phthalocyanine derivative (TPcDS) with a large non‐localized...
Single‐atom cobalt‐based CoNC are promising low‐cost electrocatalysts for oxygen reduction reaction (ORR). However, further increasing the single cobalt‐based active sites and the ORR activity remain a major challenge. Herein, an acetate (OAc) assisted metal–organic framework (MOF) structure‐engineering strategy is developed to synthesize hierarchical accordion‐like MOF with higher loading amount...
Herein, a paper‐based in vitro diagnostic device (IVD) is developed via inkjet printing of de novo engineered, boronic acid‐rich metal–organic frameworks (BMOFs). The newly developed BMOFs simultaneously possess crystalline and amorphous structure, mesopore size, large surface area, and retain a high level of boronic acid integration. After printing the BMOFs on the filter paper, the BMOF‐printed...
Macrophage polarization toward M1 phenotype (pro‐inflammation) is closely associated with the destructive phase of periodontal inflammation. Nanoceria is verified to inhibit M1 polarization of macrophages by the favorable ability of reactive oxygen species (ROS) scavenging. However, the function of nanoceria on macrophage polarization toward M2 phenotype (anti‐inflammation) in reparative phase of...
Sodium‐ion batteries (SIBs) have aroused wide concern due to their potential applications in large‐scale energy‐storage systems. In this work, a hybrid of Fe7S8 nanoparticles/N‐doped carbon nanofibers (Fe7S8/N‐CNFs) is designed and synthesized via electrospinning. As an anode for SIBs, Fe7S8/N‐CNFs exhibit a high reversible capacity of 649.9 mAh g−1 at 0.2 A g−1 after 100 cycles, and superior cycling...
Developing cost‐efficient multifunctional electrocatalysts is highly critical for the integrated electrochemical energy‐conversion systems such as water electrolysis based on hydrogen/oxygen evolution reactions (HER/OER) and metal‐air batteries based on OER/oxygen reduction reactions (ORR). The core–shell structured materials with transition metal phosphide as the core and nitrogen‐doped carbon (NC)...
2D van der Waals heterojunction provides an attractive opportunity for realizing novel electronic or optoelectronic devices. It remains challenging to realize high‐quality heterostructures through scalable methods such as molecular epitaxy growth (MBE). Here, growth of few‐layer SnS thin films is reported on mica and Nb‐doped SrTiO3(100) substrates by MBE. Then the top layer of SnS film is uniformly...
Developing highly efficient, low‐cost electrocatalysts with long‐time stability at high current density working conditions for hydrogen evolution reaction (HER) remains a great challenge for the large‐scale commercialization of hydrogen production from water electrolysis. Herein, the Cr‐doped CoP nanorod arrays on carbon cloth (Cr‐CoP‐NR/CC) is reported as high performance HER catalysts with overpotentials...
In article number 2004276, Rong Yang, Guangyu Zhang, and co‐workers develop an in situ oxygen substitutional doping in MoS2 monolayers by one step chemical vapor deposition process and lateral heterostructures with controlled doping concentrations are reliably fabricated. The bandgap tunability (from 2.25 to 1.75 eV) and n‐doping electronic properties are realized. This nondestructive oxygen doping...
In 2D semiconductors, doping offers an effective approach to modulate their optical and electronic properties. Here, an in situ doping of oxygen atoms in monolayer molybdenum disulfide (MoS2) is reported during the chemical vapor deposition process. Oxygen concentrations up to 20–25% can be reliable achieved in these doped monolayers, MoS2‐xOx. These oxygen dopants are in a form of substitution of...
The electrochemical N2 reduction reaction (NRR) is emerging as a promising alternative to the industrial Haber–Bosch process for distributed and modular production of NH3. Nevertheless, developing high‐efficiency catalysts to simultaneously realize both high activity and selectivity for the development of a sustainable NRR is very critical but extremely challenging. Here, a unique plasma‐assisted...
Colloidal crystals are of great interest to researchers because of their excellent optical properties and broad applications in barcodes, sensors, displays, drug delivery, and other fields. Therefore, the preparation of high quality colloidal crystals in large quantities with high speed is worth investigating. After decades of development, microfluidics have been developed that provide new choices...
Microenvironment‐responsive supramolecular assemblies have attracted great interest in the biomedical field due to their potential applications in controlled drug release. In this study, oxidation‐responsive supramolecular polycationic assemblies named CPAs are prepared for nucleic acid delivery via the host–guest interaction of β‐cyclodextrin based polycations and a ferrocene‐functionalized zinc...
Structural color hydrogels with healable capability are of great significance in many fields, however the controllability of these materials still needs optimizing. Thus, this work presents a healable structural color hydrogel with photocontrolling properties. The component parts of the hydrogel are a graphene oxide (GO) integrated inverse opal hydrogel scaffold and a hydrogel filler with reversible...
Structural color hydrogels are promising candidates as scaffold materials for tissue engineering and for matrix cell culture and manipulation, while their super‐elastic features are still lacking due to the irreconcilable interfere of the precursor and the self‐assembly unit. This hinders many of their practical biomedical applications where elasticity is required. Herein, hydrophilic and size‐controllable...
Barcode particles have a demonstrated value for multiplexed high‐throughput bioassays. Here, a novel photonic crystal (PhC) barcode is presented that consists of hollow colloidal nanospheres assembled through microfluidic droplet templates. Due to their gas‐filled core, the resultant barcode particles not only show increased refractive index contrast, but also remain in suspension by adjusting the...
Electrochemical synthesis has garnered attention as a promising alternative to the traditional Haber–Bosch process to enable the generation of ammonia (NH3) under ambient conditions. Current electrocatalysts for the nitrogen reduction reaction (NRR) to produce NH3 are comprised of noble metals or transitional metals. Here, an efficient metal‐free catalyst (BCN) is demonstrated without precious component...
In article number 1803551, Zhiyang Li, Xuehao Wang, Yuanjin Zhao, and co‐workers present mussel‐inspired photonic crystal (PhC) barcodes with graphene oxide (GO) encapsulation for multiplex miRNA detection. The GO‐based hybridization chain reaction strategy realizes low abundance and high sensitivity miRNA quantification. At the same time, multiplex detection is achieved by employing different GO‐decorated...
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