Monodisperse nitrogen-doped carbon nanospheres were synthesized and loaded onto graphitic carbon nitride and the composites show outstanding photocatalytic activity. Improved sulfachloropyridazine degradation is consistent with density functional theory calculation..

Multifunctional TiO2 nanostructures hold promise for advancing a wide range of biomedical applications due to a feasible integration of distinct theranostic features. Fabrication and post-fabrication strategies implemented to generate multifunctional TiO2 nanostructures for a broad range of biomedical applications are briefly outlined. The opportunities and challenges of TiO2 nanomaterials are highlighted

The electrical transport of the metallized vein networks is mimicked from the material transport function of the leaf vein networks. The vein-like transparent conducting electrodes show ultralow sheet resistance < 0.1 Ω □−1, broadband optical transparency > 80%, and high current density transport capability > 6000 A cm−2. The metal consumption for the metallization of the leaf veins can be as low as

All the important single-atom catalysts (SACs) synthetic strategies, such as wet-chemistry method, atomic layer deposition, metal–organic framework-derived method, electrodeposition, high-temperature atom trapping from bulk particles, and vacancies/defects immobilized strategy, have been summarized and discussed in detail. Various metal-based (especially Pt, Pd, Ru, Fe, Co, Ni, Mo, W, V) SACs in electrocatalytic

Hierarchical N-doped porous carbons (NPCs) with large surface area and controllable N-doping are synthesized by ball milling, followed by pyrolysis.

Flower-like CeO2 nanoparticles enhance the performance of CuO nanoparticle/Cu.

Hierarchical porous reduced graphene oxide/poly(3,4-ethylenedioxythiophene)/polyaniline hybrid was designed. The hybrid achieves a high capacitance of 535 F g−1 along with a good rate capability and cyclability.

The scalable graphitic carbon quantum dots (CQDs) are obtained with a high yield of more than 50%. The CQDs are utilized to synthesize novel NS-CQDs/NiCo2S4 composite which shows enhanced electrochemical properties. The assembled novel alkaline aqueous battery delivers superior electrochemical performances.

The reaction mechanism of various kinds of nanomaterials with endogenous H2O2 is outlined. The design and application guideline for various H2O2-responsive nanomaterials in photodynamic therapy (PDT) are reviewed. The development and prospect of various H2O2-response nanomaterials for PDT and clinical application are envisioned.

Highly crystalline Mn2O3 materials with tunable pore sizes are obtained and employed as high-performance cathode materials for reversible aqueous Zn-ion battery. The Zn/Mn2O3 battery exhibits significantly improved rate capability and remarkable cycling durability due to the introduction of nanoporous architecture. The Zn2+/H+ intercalations mechanism is put forward for the Zn/Mn2O3 battery.

An energy harvesting textile with an elegant trade-off of mechanical and triboelectric performance was constructed by hierarchical structural design. Modified rotor co-spinning technique was developed to produce triboelectric yarns in large scale. Mass-producible energy harvesting textiles show ultrahigh stability withstands millions of multi-type cyclic deformations and various applications.

Recent advances of micro/nanomotors in the field of cancer-targeted delivery, diagnosis, and imaging-guided therapy are summarized. Challenges and outlook for the future development of micro/nanomotors toward clinical applications are discussed.

Establish processing-composition-microstructure-property relationships governing binderless tungsten carbide (BTC). Highlight the densification improving strategies and toughening methods for BTC. Provide key challenges as well as the outlook for superior peformance associated with BTC.

K2Ti6O13 nanoparticle (KTO NP)-loaded porous reduced graphene oxide crumples (PGCs) were fabricated. The specific capacitance was improved due to the synergy effect between KTO and PGC. The KTO NP/PGC composites can be promising electrode materials for supercapacitors.

The study reveals the great potential of metal–organic framework (MOF)-based nanocomposites in thermal insulation and fire retardancy applications. A nanoengineering approach was developed to process MOFs into freestanding, mechanically strong, and elastic aerogels, which may boost the fundamental research and practical applications of MOFs in these areas.

Experimental and density functional theory studies were performed for Au decorated WO3/g-C3N4 Z-scheme heterojunction.

The 1T-WS2@TiO2@Ti3C2 photocatalyst is highly active for water splitting to produce hydrogen at 3409.8 μmol g−1 h−1. The Ti3C2 MXene and octahedral (1T) phase WS2 act pathways transferring photogenerated electrons.

A power generator based on carbon nanoparticles and TiO2 nanowires was fabricated by sequential electrophoretic deposition.

Electronic waste Cu wires were successfully used as a cost-effective current collector for high-energy wire-type rechargeable alkaline batteries. The scalable approach was applied to reduce, reuse, and recycle electronic waste. A developed wire-type rechargeable alkaline battery exhibited a high-energy-density of 82.42 Wh kg−1 with long-term cycling stability.

Confined space/water in graphene hydrogel was constructed and controlled. Adsorption capacity of porous adsorbents was enhanced by filling confined water. Incomplete hydrogen bonding in confined water contributes to adsorption.

N-Ti3C2@CNT microspheres are successfully synthesized by the simple spray drying and one-step pyrolysis. Within the microsphere, MXene nanosheets intimately interact with CNTs constructing porous and highly conductive network, which can provide strong immobilization for polysulfides. N-Ti3C2@CNT microsphere/S cathode shows highly cycling stability in lithium-sulfur battery.

The superior conductivity and unique porous electrode structure in the TiN paper enable fast charging by simultaneously providing efficient ion diffusion and electron transport.

Carboxylated C60 may be considered a novel antioxidant agent to be used as a semen extender supplement for assisted reproductive technology.

Different approaches for efficient carbon-free energy from water splitting are summarized. Step-wise evolution of water splitting research is highlighted with current progress. It describes the open challenges of charge transport properties and future research direction.

Single-atom Co–MoS2 (SA Co–MoS2) is prepared successfully to serve as a proof-of-concept nanozyme model, which exhibits peroxidase-like performance comparable to that of natural enzymes. The different mechanisms between the single-atom metal center and the support are investigated experimentally and theoretically.

Nanocube-like KNiFe(CN)6 and rugby ball-like NaTi2(PO4)3 are grown on carbon nanotube fibers via simple and mild methods. A quasi-solid-state fiber-shaped aqueous rechargeable sodium-ion battery based on all binder-free electrodes is successfully assembled for the first time, delivering a high volumetric capacity of 34.21 mAh cm−3 and impressive volumetric energy density of 39.32 mWh cm−3. The device

A simple method to prepare flexible hydrophobic smart coatings was proposed.

The recent progress on using cell membrane-coated nanoparticles for drug delivery, cancer treatment, vascular disease, immune modulation, and detoxification are summarized in this review. The patent applications related to the cell membrane coating technology from the past 10 years are collected, the future challenges and trends pertaining to this technology are comprehensively discussed. Unique properties

The main components, principle, and technology of dielectric elastomer actuator (DEA) were reviewed to illustrate that DEA can be an effective carrier for mechanobiology research. Comparison between DEA-based bioreactors and current commercial devices is provided, as well as the outlook of the DEA bio-applications in the future.

Highlights Reduced graphene oxide (rGO) in electrode can weaken the light scattering of plasmonic Ag nanoparticles and promote the hot electrons transfer from Ag nanoparticles to Ti substrate. A route synergizing rGO with plasmonic Ag on TiO2 for plasmonic solar water splitting was provided.

Potassium-ion batteries (KIBs) are a potential candidate to lithium-ion batteries (LIBs) but possess unsatisfactory capacity and rate properties. Herein, the metallic cobalt selenide quantum dots (Co0.85Se-QDs) encapsulated in mesoporous carbon matrix were designed via a direct hydrothermal method. Specifically, the cobalt selenide/carbon composite (Co0.85Se-QDs/C) possesses tertiary hierarchical structure

[This corrects the article DOI: 10.1007/s40820-015-0068-y.].

[This corrects the article DOI: 10.1007/s40820-015-0046-4.].

This work starts the research of pseudocapacitive oxide materials for multivalent Zn2+ storage. The constructed RuO2·H2O||Zn systems exhibit outstanding electrochemical performance, including a high discharge capacity, ultrafast charge/discharge capability, and excellent cycling stability. The redox pseudocapacitive behavior of RuO2·H2O for Zn2+ storage is revealed.

Photothermal agents with strong light absorption in the second near-infrared (NIR-II) region (1000–1350 nm) are strongly desired for successful photothermal therapy (PTT). In this work, titania-coated Au nanobipyramids (NBP@TiO2) with a strong plasmon resonance in the NIR-II window were synthesized. The NBP@TiO2 nanostructures have a high photothermal conversion efficiency of (93.3 ± 5.2)% under 1064-nm

Highlights A dry transfer method for the mass production of transparent conductive carbon nanotube (CNT) films inspired by typography has been proposed. The strain sensors based on the CNT films have high stretchability and repeatability (gauge factor up to 9960 at 85% strain). These ultrathin strain sensors can detect human motion, sound, and pulse, suggesting promising application prospects in wearable

Device simulations and first-principle calculations are employed to derive a guideline for the optimization of CsPbI3-based perovskite solar cells (PSCs). The open voltage and power conversion efficiency of the PSCs are, respectively, improved to 1.31 V and 21.06% by simultaneously introducing an ultra-thin TiO2 buffer layer and increasing the doping concentration of the ZnO electron transport layer

The recent progress about zinc-ion batteries was systematically summarized in detail, including the merits and limits of aqueous and nonaqueous electrolytes, various cathode materials, zinc anode, and solid-state zinc-ion batteries. Current challenges and perspectives to future research directions are also provided.

Flexible supercapacitor electrodes with high mass loading are crucial for obtaining favorable electrochemical performance but still challenging due to sluggish electron and ion transport. Herein, rationally designed CNT/MnO2/graphene-grafted carbon cloth electrodes are prepared by a “graft-deposit-coat” strategy. Due to the large surface area and good conductivity, graphene grafted on carbon cloth

Abstract To overcome the ever-growing organic pollutions in the water system, abundant efforts have been dedicated to fabricating efficient Fenton-like carbon catalysts. However, the rational design of carbon catalysts with high intrinsic activity remains a long-term goal. Herein, we report a new N-molecule-assisted self-catalytic carbonization process in augmenting the intrinsic Fenton-like activity

Wearable supercapacitors (SCs) are gaining prominence as portable energy storage devices. To develop high-performance wearable SCs, the significant relationship among material, structure, and performance inspired us with a delicate design of the highly wearable embroidered supercapacitors made from the conductive fibers composited. By rendering the conductive interdigitally patterned embroidery as

Abstract Semiconductor nanomaterial-based epitaxial heterostructures with precisely controlled compositions and morphologies are of great importance for various applications in optoelectronics, thermoelectrics, and catalysis. Until now, various kinds of epitaxial heterostructures have been constructed. In this minireview, we will first introduce the synthesis of semiconductor nanomaterial-based epitaxial

Gold@polydopamine particles with multi-compartment structure were synthesized by using block copolymer of PS-b-P2VP as soft template and characterized by 3D electron tomography technique. The particles can be applied as catalytic nanoreactors for the full kinetic study of reduction reaction of 4-nitrophenol by NaBH4. The nanoreactors show remarkable enhancement of the catalytic activity under NIR irradiation

Modulation of 3D super-scalable hierarchal anode/cathode models as choice architectonics into a full-scale LIB design. The scalable architectures dynamically provide effective diffusion gateways to guarantee excellent specific LIB performance. The DFT theoretical surface–surface electronic and charge map analyses confirmed the superiority of choice anode/cathode architectonics in full-scale LIB built-up

Nanosized cytotoxic drug could combat against the autophagy induced by the drug. The drug nanorods enabled efficient intracellular delivery of the nucleic acid and the resultant autophagy inhibition in vitro and in vivo, which in turn sensitized the cancer cells to the anti-tumor nanorods.

The highly conductive Ti3C2Tx (MXene) is introduced as a substrate for loading Bi2MoO6. The Bi2MoO6/MXene heterostructure exhibits ultra-long cycle durability and superior rate capability. Electrochemical kinetic mechanism is analyzed for the as-prepared heterostructure.

Improving the cycling stability of metal sulfide-based anode materials at high rate is of great significance for advanced sodium ion batteries. However, the sluggish reaction kinetics is a big obstacle for the development of high-performance sodium storage electrodes. Herein, we have rationally engineered the heterointerface by designing the Fe1−xS/MoS2 heterostructure with abundant “ion reservoir”

Since their seminal discovery in 2011, two-dimensional (2D) transition metal carbides/nitrides known as MXenes, that constitute a large family of 2D materials, have been targeted toward various applications due to their outstanding electronic properties. MXenes functioning as co-catalyst in combination with certain photocatalysts have been applied in photocatalytic systems to enhance photogenerated

Flexible hierarchical electrode architecture was constructed by rooting MOF-derived CoS2/carbon nanoleaf arrays into a nitrogen-rich 3D conductive scaffold. An accelerated electrocatalytic effect and improved polysulfide redox kinetics arising from the structure advantages were investigated. As-prepared composite delivers a significantly improved electrochemical performance not only at room temperature

A well-organized and thorough discussion on the fundamental principles and recent progress in deterministic lateral displacement (DLD) is provided.

Hierarchically porous Fe–Co/N-doped carbon/rGO (Fe–Co/NC/rGO) composites were successfully prepared. Macropores, mesopores, and micropores coexisted in the composites. Hierarchically porous Fe–Co/NC/rGO showed effective bandwidth of 9.29 GHz.

Intrinsically, super-strong fluorescent silk was fabricated via feeding Bombyx mori silkworms with carbon nanodots.

A kind of multifunctional silicon-based theranostic agent is fabricated and exploited for imaging-guided tumor-targeted photothermal therapy. The obtained gold nanoparticles-decorated fluorescent silicon nanorods featuring high photothermal conversion performance and good photothermal stability enable a total ablation of tumors and prolong the survival time of mice.

Self-oxygenation/degradable nanozyme reactors with core–shell structure were fabricated for relieving tumor hypoxia. Intratumoral hypoxia alleviation and sensitization of immunochemotherapy using as-prepared nanozyme reactors was demonstrated in B16F10 melanoma tumor.

An ultrathin and flexible carbon nanotubes/MXene/cellulose nanofibrils composite paper with gradient and sandwich structure was successfully fabricated via a facile alternating vacuum-assisted filtration process. The composite paper exhibits excellent mechanical property and electromagnetic interference shielding performance.

Tremendous progress has been advanced by research into graphene and its derivatives with great benefits toward low-cost, portable, and real-time tactile sensors/electronic skin. The review presented herein direct future efforts aimed at high-quality graphene-based tactile sensors and their implications for the wider scientific community. The paper also are informative regarding some basic and crucial

We first report on H11Al2V6O23.2 with large layer spacing as cathode for aqueous zinc-ion battery, which accelerates the diffusion of Zn2+. The graphene-wrapped H11Al2V6O23.2 nanobelts can improve electronic conductivity, and potentially inhibit the dissolution of elements in the aqueous electrolyte. H11Al2V6O23.2@graphene exhibits high capacity and stable cycling stability even at an ultra-high mass

A new zinc-ion capacitor (ZIC) was realized by assembling the free-standing manganese dioxide–carbon nanotubes (MnO2–CNTs) battery-type cathode and MXene (Ti3C2Tx) capacitor-type anode in an aqueous electrolyte. The large specific capacitance of the MXene anode avoids the mismatch in capacitance between the cathode and anode of the ZIC. The superior performance of the proposed ZIC makes it a promising

Bi2Se3@AIPH nanoparticles (NPs) can realize photothermal and photodynamic therapies in a cascading manner when exposed to “one” single NIR laser.

N-Doped carbon-encased bimetallic selenide hybrid with strong synergistic effect is constructed. N-Doped carbon-encased bimetallic selenide hybrid exhibits an excellent catalytic activity and stability for oxygen evolution reaction (OER) in alkaline media. The superior OER activity is attributed to the highly active Co–OOH species and modified electron transfer process from Ni atoms.