Single-atom M-N4/N-doped carbons (M = Fe, Co) prepared as OER/ORR catalysts. Ultrasonication-assisted plasma engineering used for catalyst synthesis. Co-N4/NC outperformed benchmark commercial catalysts in practical Zn–air battery test. DFT calculations provided insights into the origin of superior ORR/OER performance.

A flexible piezoelectric nanogenerator (PENG) based on 2D single-layer MoSe2 flake on polyethylene terephthalate was fabricated. A high-performance flexible poly(vinyl alcohol)/MXene (PVA/MXene)-based humidity sensor was fabricated by electrospinning. The PVA/MXene composite-based humidity sensor was self-powered by MoSe2 PENG and exhibited excellent properties.

The theoretical knowledge in the field of microwave absorption is summarized in detail. The recent progress of metal–organic frameworks-derived porous carbon-based nanocomposites as microwave absorption materials is reviewed.

γ-Glycidoxypropyl trimethoxysilane (GOPS) was incorporated in Si/PEDOT:PSS electrodes to construct a flexible and conductive artificial solid-electrolyte interphase (SEI). XPS Ar+ etching depth analysis proved that the addition of GOPS is conducive to forming a more stable SEI. A full battery assembled with NCM 523 cathode delivers a high energy density of 520 Wh kg-1, offering good stability.

Layered iron vanadate ultrathin nanosheets (FeVO UNSs) with a thickness of ~ 2.2 nm were synthesized by a sonicate-assisted method. Pseudocapacitive Na+ intercalation of FeVO UNSs anode delivers high initial coulombic efficiency (93.86%), high reversible capacity (292 mAh g−1), excellent rate capability, and remarkable cycling stability. A pseudocapacitor–battery hybrid SIC is assembled with the elimination

Isolated graphene nanoribbons (GNRs) usually have energy gaps, which scale with their widths, owing to the lateral quantum confinement effect of GNRs. The absence of metallic GNRs limits their applications in device interconnects or being one-dimensional physics platform to research amazing properties based on metallicity. A recent study published in Science provided a novel method to produce metallic

Nb2C and Ta2C MXenes exhibit remarkable SERS performance with the enhancement factors of 3.0 × 106 and 1.4 × 106, which is synergistically enabled by the PICT resonance enhancement and electromagnetic enhancement. The excellent SERS sensitivity endows Ta2C MXene with the capability to sensitively detect and accurately identify the SARS-CoV-2 spike protein, which is beneficial to achieve real-time monitoring

3D “branch-leaf” biomimetic design is proposed for high-performance Na-S batteries. The conductive “branch” can ensure adequate electron and electrolyte supply with the “leaf” can catalyze the conversion of polysulfides. DFT calculation reveals that the Co nanoparticles can enable fast reduction reaction of the polysulfides; The prepared CNF-L@Co/S electrode exhibits a high initial specific capacity

Milestones of TiO2 development and invention of phase-selectively ordered/disordered blue TiO2 (BTO) is in-depth illustrated. The explored and potential applications of BTO are reviewed and proposed thoroughly. The forthcoming flourishing research trends based on account of BTO are suggested.

The multiple thermal treatments strategy is proposed for preparing the hollow oxygen-incorporated g-C3N4 nanosheets (OCN). Oxygen-adsorption creates a lot of defects to the formation of hollow and monolayered structure, while oxygen-doping reduces the band gap significantly. OCN exhibits stable and high photocatalytic hydrogen evolution with increased surface area, enhanced charge transport, and reduced

The current understanding and advances on laser synthesis of nanomaterials are summarized. The laser microfabrication-enabled energy conversion and storage devices are reviewed. The limitations and solutions for current laser processing of nanomaterials and other more potential development directions for laser processing are proposed.

Three-dimension hierarchical core–shell Mo2N@CoFe@C/CNT composites were successfully constructed via a fast MOF-based ligand exchange strategy. Abundant magnetic CoFe nanoparticles suspended within “nanotubes on microrods” matrix exhibited strong magnetic loss capability, confirmed by off-axis electron holography. Hierarchical Mo2N@CoFe@C/CNT composites displayed remarkable microwave absorption value

Current clinical studies of photodynamic therapy against pancreatic cancer are reviewed. Advantages of nanoparticles in boosting therapeutic efficacy of photodynamic therapy for pancreatic cancer treatment are summarized. Challenges and outlook for the future development of nanoparticles-based photodynamic therapy in human are discussed.

Phase-change memory based on Ta-doped antimony telluride (Sb2Te) exhibits both high-speed characteristics and excellent high-temperature characteristics, allowing improved performance and new applications. The high coordination number of Ta and the strong bonds between Ta and Sb/Te atoms enhance the robustness of the amorphous structure, ensuring good thermal stability. Through the three-dimensional

A novel anion electrode Cu3(PO4)2 is proposed at the first time. The reaction mechanism of Cu3(PO4)2 electrode is investigated. The dual-ion cell is constructed by using pretreated Cu3(PO4)2 and Na0.44MnO2.

Dimensional gradient structure of sheet–tube–dots was constructed with CoSe2@CNTs–MXene for fast ion and electron transportation. Density functional theory study discloses the electrochemical difference of CoSe2@CNTs–MXene in ether/ester electrolyte system. Phase transformation of CoSe2@CNTs–MXene was analyzed by in situ XRD. The full cell based on CoSe2@CNTs–MXene anode was also assembled.

Introducing mechanisms of antitumor activation produced by bacteria-mediated bio-therapy in detail. Comprehensively reviewing multiple administration routes of bacterial bio-therapy in combination with different traditional anticancer therapeutic modalities over the recent 5 years. Discussing the potential benefits and challenges of this anticancer approach, and conveying the development tendency and

Lotus leaf-derived gradient hierarchical porous C/MoS2 morphology genetic composites nanocomposites were fabricated. Excellent electromagnetic absorption performance was achieved with RLmin of − 50.1 dB and EBW of 6.0 GHz. A brand-new dielectric sum-quotient model was proposed and corresponded well to the experimental results.

The ultrathin metal–organic-framework (MOF) interphase layer with high mechanical/chemical stability was in situ grown on black phosphorus nanosheets (BPNSs). MOF interphase layers as an ordered porous and robust protective layer can facilitate K ion diffusion and accommodate the volume change of the electrode. Benefiting from the improved reaction kinetics and enhanced electrode stability, the BPNS@MOF

A new way to achieve high yield and large area oxide thin film transfer is developed. Three different film compositions are demonstrated: SrRuO3, CeO2, and CeO2/STO nanocomposite films. Cracks, wrinkles, and damages are prevented by the new transfer method. They are commonly introduced by conventional transfer processes. Vertically aligned nanocomposite (VAN) structures can further improve the transfer

CaCO3-assisted double emulsion method was developed to prepare pH-responsive nanoparticles enabling effective encapsulation of diverse molecules. The introducing of CaCO3 could enable deep intratumoral penetration of therapeutic agents and effective neutralization of acidic tumor pH to favor the reverse of immunosuppressive tumor microenvironment (TME). The reverse of immunosuppressive TME ascribing

The controlled release of IL-4 and dexamethasone by a dual-wavelength photosensitive nano-in-micro scaffold (biphasic calcium phosphate loaded with goad nanocage, BCP-GNC) enables the regulation of specific immune cells and immune responses. BCP-GNC regulates innate and adaptive immune responses in two stages (directing the M2 polarization of macrophages and inhibiting the maturation of dendritic cells)

In the original publication figures 7 and 11 need to be updated with correct values. The correct version of figures 7 and 11 is provided in this correction. The original article has been corrected.

Layered integrated photoelectrodes for water splitting incorporating nanocarbon co-catalysts are systematically reviewed. The correlations between intrinsic structures, optimized configurations, and water splitting performances of layered integrated photoelectrodes are established and analyzed. Various synthetic strategies and assembling procedures are critically examined to enhance water splitting

Small cobalt nanoparticles are carefully encapsulated into a N-doped carbon shell (Co-NC) by calcining a Prussian blue analogue precursor. The presence of cobalt nanoparticles and Co-N bonds not only promotes adsorption behavior, but also reduces the diffusion energy barrier, enabling fast diffusion kinetics of K+ ions. The good diffusion kinetics and capacitive adsorption behavior of the Co-NC material

MXene/WO3−x composite film with excellent electrochromic performances was fabricated for the first time. The addition of MXene is an effective strategy for simultaneously enhancing electron and ion transport behaviors in the electrochromic layer. The kinetics of ion diffusion in electrochromic devices are studied in depth based on both experiment and simulation.

This work is a new guide for the design of on-chip energy integrated systems toward the goal of developing highly safe, economic, and long-life smart wearable electronics. The biomass kelp-carbon based on unique 3D micro-/nanostructure combined with multivalent ion storage contributes to high capacity of the Zn-ion hybrid capacitor. The flexible solar-charging self-powered system with printed Zn-ion

AbstractSection Highlights Redox chemistry enabled Ni–Co–Mn (NCM)-based MOF nanoarchitectures are used as battery-type electrodes. The NCM-based MOFs demonstrate high areal capacity and good cycling stability. The fabricated hybrid supercapattery showed high energy and power densities of 1.21 mWh cm−2 and 32.49 mW cm−2, respectively.

In the original publication Figure S4 is an ancillary image to compare the specific surface areas of TiO2/Ni3S2 and Ni3S2 samples was incorrectly published.

Comprehensive summary of crystalline structures and morphologies of carbon nitride-based materials (CNBMs). Density functional theory computation for the design of functional CNBMs for rechargeable battery applications. The experimental synthesis strategies of CNBMs for rechargeable battery application.

This review introduces the recent anode materials of potassium ion batteries classified into 0D, 1D, 2D, and 3D, mainly including carbon materials, metal-based chalcogenides and metal-based oxides, and alloying materials. The advantages, disadvantages, and optimized strategies of different dimensional anode materials are summarized. The relationship between different dimensional anode materials in

A polarized-macrophages-based drug delivery system (M1/SLNP) was presented for the cell-chemotherapy of cancer. Polarized-macrophages were used both as therapeutic tool to provide immunotherapy and as delivery vessel to target deliver chemotherapeutic drugs to tumor tissues for chemotherapy simultaneously. M1/SLNP was a multifunctional delivery system with simple structure, excellent safety, and without

3D Zn-doped CuO framework was designed for aligned distributing high mass loading of MnO2 nanosheets. Zn could be introduced into the CuO crystal lattice to tune the covalency character and thus improve charge transport. A free-standing asymmetric coaxial fiber-shaped supercapacitor based on Zn–CuO@MnO2 core electrode possesses superior performance including higher capacity and better stability under

AbstractSection Highlights A single-atom catalyst of A–Co–NG is explored for electrochemical uric acid (UA) detection for the first time and realize practical UA monitoring in serum samples. The A–Co–NG sensor demonstrates high performance for UA detection with a wide detection range from 0.4 to 41950 μM and an extremely low detection limit of 33.3 nM. Combination of experimental and theoretical calculation

Three types of Ni3Si2 were successfully fabricated by low-pressure all-solid melting-reconstruction chemical vapor deposition, and the growth pattern changed with the carbon source content. In a carbon-rich atmosphere, high-energy atoms bombard the Ni and Si surface, and reduce the free energy in the solid Ni–Si particles’ thermodynamic equilibrium, considerably catalyzing the growth of Ni–Si nanocrystals

A novel vacuum-assisted strategy is proposed to form N-doped carbon-encapsulated CoSe2 nanocrystals within hollow mesoporous carbon nanospheres (CoSe2@NC/HMCS) via a solid-state reaction. The “dual confinement” by both the N-doped carbon matrix derived from 2-methylimidazole and the small-sized pores of the hollow mesoporous carbon nanospheres can effectively prevent the overgrowth of CoSe2 nanocrystals

An eco-efficient synthetic route was developed to establish carbon superstructures with enhanced exposed nitrogen-rich active facets. The synergistic effect of the 3D interconnected superstructures and the high nitrogen-doping content endows the N-rich carbon superstructures (NCS-5) with not only increased potassium-ion storage capabilities but also superior rate and cycling performance. The regulation

The capability of gold nanomaterials to mimic enzyme activities offers new approaches for diagnosis and treatment in the field of biomedicine, which are discussed in this review. Controlling the physicochemical properties of the nanomaterials (size, morphology and surface chemistry) remains the first obstacle for endeavouring real-life applications. Numerous examples of ex vivo applications in the

The present review highlights the importance of remotely activated nanoparticles for anticancer purposes. For each physical input, we present its possible active synergy with several nanomaterials. We report examples and the mechanism of action when clarified. Clinical trials involving remotely triggered nanoparticles are discussed.

3D carbon frameworks (3DCFs) constructed by interconnected nanocages show a high specific surface area, hierarchical porosity, and conductive network. The deoxidization process removed most of surface oxygen-containing groups in 3DCFs that leads to fast ion diffusion kinetics, good electric conductivity, and limited side reactions. The deoxidized 3DCFs exhibit an ultrafast charge/discharge rate as

Interface engineering of heterogeneous CoS/CoO nanocrystals and N-doped graphene composite facilitates high-performance oxygen reduction reaction and oxygen evolution reaction. Density functional theory calculations and experimental results confirm the enhanced electrocatalytic performances via the proposed interface engineering. The bifunctional oxygen electrocatalyst exhibits excellent performances

Vapor nanobubble (VNB) photoporation represents a promising physical technique for mRNA transfection of adherent and suspension cells. A multitude of parameters related to the VNB photoporation procedure were optimized to enable efficient mRNA transfection. VNB photoporation was found to yield five times more living, transfected Jurkat T cells as compared to electroporation, i.e., currently the standard

The two functional groups (nitro and amino) were introduced into MIL-101(Fe) for tuning the atomically dispersed metal active sites. Benefiting from both geometric and electronic effects, the nitro-functionalized MIL-101(Fe) shows a superior electronic structure of active sites and low reaction energy barrier for the HO* formation. Nitro-functionalized MIL-101(Fe)-based biosensor was successfully employed