Abstract Supported metal nanoparticles are the most widely investigated heterogeneous catalysts in catalysis community. The size of nanostructures is an important parameter influencing activity constructed catalysts. Especially, as coordination unsaturated atoms always work catalytically active centers, decreasing particle catalyst can greatly boost specific per atom. Single‐atom (SACs), containing single anchored on supports, represent utmost utilization metallic and thus maximize usage...

Modular optimization of metal-organic frameworks (MOFs) was realized by incorporation coordinatively unsaturated single atoms in a MOF matrix. The newly developed can selectively capture and photoreduce CO2 with high efficiency under visible-light irradiation. Mechanistic investigation reveals that the presence Co greatly boost electron-hole separation porphyrin units. Directional migration photogenerated excitons from to catalytic centers witnessed, thereby achieving supply long-lived...

Graphitic carbon nitride (g‐C 3 N 4 ) has recently emerged as an attractive photocatalyst for solar energy conversion. However, the photocatalytic activities of g‐C remain moderate because insufficient solar‐light absorption and fast electron–hole recombination. Here, defect‐modified (DCN) photocatalysts, which are easily prepared under mild conditions show much extended light with band gaps decreased from 2.75 to 2.00 eV, reported. More importantly, cyano terminal CN groups, acting...

Through a facile and effective strategy by employing lithium molten salts the controlled synthesis of 2H- 1T-MoS2 monolayers with high-yield production is achieved. Both phases MoS2 exhibit high stabilities. When used as catalyst for hydrogen evolution, these phased deliver respective advantages in field electro- photo-catalytic evolution. As service to our authors readers, this journal provides supporting information supplied authors. Such materials are peer reviewed may be re-organized...

Constructing atomically dispersed platinum (Pt) electrocatalysts is essential to build high-performance and cost-effective electrochemical water-splitting systems. We present a novel strategy realize the traction stabilization of isolated Pt atoms in nitrogen-containing porous carbon matrix (Pt@PCM). In comparison with commercial Pt/C catalyst (20 weight %), as-prepared Pt@PCM exhibits significantly boosted mass activity (up 25 times) for hydrogen evolution reaction. Results extended x-ray...

UiO‐66, a zirconium based metal–organic framework, is incorporated with nanosized carbon nitride nanosheets via facile electrostatic self‐assembly method. This hybrid structure exhibits large surface area and strong CO 2 capture ability due to the introduction of UiO‐66. We demonstrate that electrons from photoexcited nanosheet can transfer which substantially suppress electron–hole pair recombination in nanosheet, as well supply long‐lived for reduction molecules are adsorbed As result,...

Low efficiency and poor stability are two major challenges we encounter in the exploration of non-noble metal electrocatalysts for hydrogen evolution reaction (HER) both acidic alkaline environment. Herein, hybrid cobalt encapsulated by N, B codoped ultrathin carbon cages (Co@BCN) is first introduced as a highly active durable nonprecious HER, which constructed bottom-up approach using organic frameworks (MOFs) precursor self-sacrificing template. The optimized catalyst exhibited remarkable...

The photocatalytic reduction of Cr(VI) is investigated over iron(III)‐based metal–organic frameworks (MOFs) structured as MIL‐88B. It found that MIL‐88B (Fe) MOFs, containing Fe 3 ‐μ ‐oxo clusters, can be used photocatalyst for the under visible light irradiation, which due to direct excitation clusters. amine‐functionalized MOFs (denoted NH 2 –MIL‐88B (Fe)) shows much higher efficiency visible‐light irradiation compared with (Fe). revealed in addition amine functionality also excited and...

Abstract Single metal-organic frameworks (MOFs), constructed from the coordination between one-fold metal ions and organic linkers, show limited functionalities when used as precursors for nanoporous carbon materials. Herein, we propose to merge advantages of zinc cobalt metals into one single MOF crystal ( i.e. , bimetallic MOFs). The linkers that coordinate with tend yield graphitic carbons after carbonization, unlike those bridging ions, due controlled catalytic graphitization by...

FeCl1N4/CNS catalyst first realized a great improvement of ORR by controlling the electronic structure central metal with coordinated chlorine.

Artificial photocatalytic energy conversion represents a highly intriguing strategy for solving the crisis and environmental problems by directly harvesting solar energy. The development of efficient photocatalysts is central task pushing real-world application reactions. Due to maximum atomic utilization efficiency distinct advantages outstanding catalytic activity, single-atom catalysts (SACs) have emerged as promising candidates photocatalysts. In current review, recent progresses...

Water splitting represents a promising technology for renewable energy conversion and storage, but it is greatly hindered by the kinetically sluggish oxygen evolution reaction (OER). Here, using Au-nanoparticle-decorated Ni(OH)2 nanosheets [Ni(OH)2-Au] as catalysts, we demonstrate that photon-induced surface plasmon resonance (SPR) excitation on Au nanoparticles could significantly activate OER catalysis, specifically achieving more than 4-fold enhanced activity meanwhile affording markedly...

Abstract Surface modulation at the atomic level is an important approach for tuning surface chemistry and boosting catalytic performance. Here, a strategy demonstrated through decoration of isolated Ni atoms onto basal plane hierarchical MoS 2 nanosheets supported on multichannel carbon nanofibers boosted hydrogen evolution activity. X‐ray absorption fine structure investigation density functional theory (DFT) calculation reveal that decorated with displays highly strengthened H binding....

Highly efficient utilization of solar light with an excellent reduction capacity is achieved for plasmonic Fe@C nanostructures. By carbon layer coating, the optimized catalyst exhibits enhanced selectivity and stability applied to solar-driven CO2 into CO. The surface-plasmon effect iron particles proposed excite molecules, thereby facilitates final reaction activity. As a service our authors readers, this journal provides supporting information supplied by authors. Such materials are peer...

Exploring highly efficient electrocatalysts for the oxygen evolution reaction (OER) and unveiling their activity origin are pivotal energy conversion technologies. Herein, atomically distributed Ni sites over a N-doped hollow carbon matrix reported as promising electrocatalyst OER in alkaline conditions. Significantly boosted is observed after decoration of active with well-controlled coordination geometry. Results X-ray absorption spectroscopy investigation density functional theory (DFT)...

BIF-20, a zeolite-like porous boron imidazolate framework with high density of exposed B-H bonding, is combined graphitic carbon nitride (g-C3N4) nanosheets via facile electrostatic self-assembly approach under room temperature, forming an elegant composite BIF-20@g-C3N4 nanosheet. The as-constructed preferably captures CO2 and further photoreduces in efficiency. photogenerated excitations from the nanosheet can directionally migrate to which effectively suppresses electron-hole pair...

Abstract To enhance the performance of semiconductor photocatalysts, cocatalysts are used to accelerate surface reactions. Herein, ultrasmall molybdenum–oxygen (MoO x ) clusters developed as a novel non‐noble cocatalyst, which significantly promotes photocatalytic hydrogen generation rate CdS nanowires (NWs). As indicated by extended X‐ray absorption fine structure analysis, direct bonds formed between NWs and MoO clusters, guarantee migration photo‐generated charge carriers. Moreover,...

The effective intramolecular electronic coupling between the Fe and Co atoms <italic>via</italic> P/O bridges greatly enhances electrocatalytic activity of Fe–Co (oxy)phosphide nanoboxes.

A simple method is developed to fabricate protonated porous graphitic carbon nitride nanosheets (P‐PCNNS) by protonation–exfoliation of bulk (BCN) with phosphoric acid (H 3 PO 4 ). The H treatment not only helps exfoliate the BCN into 2D ultrathin abundant micro‐ and mesopores, endowing P‐PCNNS more exposed active catalytic sites cross‐plane diffusion channels facilitate mass charge transport, but also induces protonation polymer, leading moderate removal impurities species in for...

Isolated cobalt atoms with CoN₄configuration are decorated into a multichannel carbon matrix for efficient electrocatalytic oxygen reduction reaction.

Isolated cobalt atoms have been successfully decorated onto the surface of W18O49 ultrathin nanowires. The Co-atom-decorated nanowires (W18O49@Co) greatly accelerate charge carrier separation and electron transport in catalytic system. Moreover, decoration with Co modifies energy configuration W18O49@Co hybrid thus boosts redox capability photoexcited electrons for CO2 reduction. work as real active sites and, perhaps more importantly, perform a reaction switch to enable proceed. optimized...

Unsaturated Cu 1 -O 2 sites are effectively exposed in nanoscale Cu-MOF for efficient electrocatalytic hydrogen evolution.