The ever‐increasing demand for clean and renewable power sources has sparked intensive research on water splitting to produce hydrogen, in which the exploration of electrocatalysts is central issue. Herein, a new strategy, metal–organic framework template‐directed fabrication hierarchically structured Co 3 O 4 @X (X = , CoS, C, CoP) efficient oxygen evolution reaction (OER) developed, where are derived from cobalt carbonatehydroxide@zeolitic‐imidazolate‐framework‐67 (CCH@ZIF‐67). Unique...

TiO 2 @CoAl‐layered double hydroxide (LDH) core–shell nanospheres are fabricated via hydrothermal synthesis of hollow followed by in situ growth CoAl‐LDH shell, which exhibit an extraordinarily high photocatalytic activity toward oxygen evolution from water oxidation. The O generation rates 2.34 and 2.24 mmol h −1 g achieved under full sunlight (>200 nm) visible light (>420 nm), respectively, among the highest activities for production to date. reason is attributed desirable...

Abstract A CoAl‐layered double hydroxide (LDH)@poly(3,4‐ethylenedioxythiophene) (PEDOT) core/shell nanoplatelet array (NPA) is grown on a flexible Ni foil substrate as high‐performance pseudocapacitor. The LDH@PEDOT NPA shows maximum specific capacitance of 649 F/g (based the total mass) by cyclic voltammetry (scan rate: 2 mV/s) and 672 galvanostatic discharge (current density: 1 A/g). Furthermore, hybrid electrode also exhibits excellent rate capability with energy 39.4 Wh/kg at current...

Recently, layered double hydroxides (LDHs) have attracted extensive attention in the field of energy storage and conversion, an in-depth understanding their semiconducting properties is rather limited. In this work, electronic (band structure, density states (DOS), band edge placement) MIIMIII-LDHs (MII = Mg, Co, Ni Zn; MIII Al Ga) were studied detail. The thermodynamic mechanism toward oxygen evolution reaction (OER) was investigated by using functional theory plus U (DFT + U) method....

The oxygen evolution reaction (OER) in water splitting plays a critical role some clean energy production systems. Transition-metal oxides as one of the most common OER electrocatalysts have been widely explored; however, their activity is limited by low electrical conductivity, slow mass transfer, and inadequate active sites. Herein, we develop feasible strategy which layered two-dimensional metal–organic frameworks (2D MOFs) act templates to construct metal oxide/carbon (MOx/C, M = Co, Ni,...

The release of microplastics (MPs) into the environment has engendered considerable ecosystem and human health concerns. Herein, we propose light-driven photocatalytic upcycling MPs using heterojunction photocatalysts. A novel synthesis method was developed through in-situ conversion unstable metal sites on bimetallic metal-organic frameworks (MOF), resulting in nanometer-sized particles with semiconductor properties which are confined framework MOFs to prevent agglomeration. These modified...

Zn-air battery technologies have received increasing attention, while the application is hindered by sluggish kinetics of oxygen evolution reaction (OER) and reduction (ORR). In order to explore an efficient method fabricate a high-performance electrocatalyst via modification advanced nanostructure, coaxial electrospinning with in-situ synthesis subsequent carbonization construct 3D flexible Janus-like electrocatalysts developed. The resulting Janus nanofibers unique core-shell hollow fiber...

Abstract The conversion of waste plastic into high‐value‐added chemicals is regarded as a promising approach for relieving global pollution and contributing to the circular economy. Herein, partial calcination strategy developed fabricate zinc oxide/UiO66‐NH 2 (ZnO/UiO66‐NH ) heterojunction, in which ZnO encapsulated porous UiO66‐NH photocatalytic valorization plastic. This preserves framework structure , thus enabling formation with ultra‐small size distributed inside skeleton. synergistic...

The exploration of efficient electrocatalysts is the central issue for boosting overall efficiency water splitting. Herein, pertinently creating active sites and improving conductivity metal-organic frameworks (MOFs) proposed to tailor electrocatalytic properties An Ni(II)-MOF nanosheet array presented as an ideal material model a facile alkali-etched strategy developed break its NiO bonds accompanied with introduction extra-framework K cations, which contribute highly open metal largely...

Transparent and flexible multilayer films are fabricated based on the alternating assembly of cellulose acetate (CA) layered double hydroxide (LDH) nanoplatelets followed by thermal annealing treatment. The exhibit tremendously enhanced oxygen barrier properties. transmission rate (OTR) resulting (CA/LDH) n can be tuned changing aspect ratio high‐crystalline LDH from 20 to 560. film displays excellent oxygen‐barrier behavior with an OTR equal or below detection limit commercial...

A feasible strategy for the in situ growth of two-dimensional (2D) [Ni3(OH)2(1,4-BDC)2-(H2O)4]·2H2O (Ni-BDC; 1,4-BDC = 1,4-benzenedicarboxylate) and subsequent partial sulfurization treatment decoration nickle sulfide (NiS) is developed. The fabricated hierarchically structured Ni-BDC@NiS as a synergistic electrocatalyst shows extremely high activity toward oxygen evolution reaction (OER). optimal catalyst acquires current density 20 mA cm-2 at lower overpotential 330 mV low Tafel slope 62...

A strategy to utilize visible-light responsive MOFs as a protective shell over noble-metal-sensitized semiconductors fabricate photoanode catalysts is developed. The resulting composites demonstrate outstanding performances in photoelectrochemical water splitting.

Hierarchical-pore Pd@Co3O4, Pd@Co3O4/C, and Pd@Co/CNT (CNT = carbon nanotube) were fabricated via the one-step pyrolysis of palladium@zeolitic-imidazolate-framework-67 (Pd@ZIF-67); these catalysts employed as heterogeneous displayed excellent performance in Heck reaction. These Pd@ZIF-67 derivatives retain skeleton precursor provide abundant exposed Pd active sites, treatment creates rich hierarchical pores affording a convenient path for reaction substrates accessing sites. As result, they...

Although polyvinyl chloride (PVC) ranks as the third most mass-produced synthetic plastic, chemical upcycling of non-biodegradable PVC waste remains a significant challenge. Herein, carbon nanodots combined with metal-organic framework (CDs/Zr-MOF) are fabricated for photocatalytic PVC. Specifically, ultra-small-sized CDs (~2.0 nm) encapsulated into Zr-MOF pores via mild pyrolysis strategy. The maintained MOF structure facilitates charge/mass transfer and improves surface-to-volume ratio...

A series of transition metal-doped In 2 O 3 /C photocatalysts are synthesized by a feasible bimetallic MOF template strategy. The investigation demonstrates that Cu–In significantly enhances performance for photoreduction CO to CO.

Eraserhead: A reversible nanoporous antireflection coating can be fabricated by assembly of layered double hydroxide nanoparticles with polyanions using an electrostatic layer-by-layer method followed calcination. Antireflection properties the switched between porous and non-porous state alternating calcination rehydration processes.

A NiAl layered double hydroxide (LDH)@carbon nanoparticles (CNPs) hybrid electrode was fabricated <italic>via</italic> a facile and cost-effective approach displays excellent pseudocapacitive behavior.