The electronic metal–support interaction (EMSI) plays a crucial role in catalysis as it can induce electron transfer between metal and support, modulate the state of supported metal, optimize reduction intermediate species. In this work, tailoring structure Pt single atoms on N-doped mesoporous hollow carbon spheres (Pt1/NMHCS) via strong EMSI engineering is reported. Pt1/NMHCS composite much more active stable than nanoparticle (PtNP) counterpart commercial 20 wt% Pt/C for catalyzing...

Water oxidation is the key process for many sustainable energy technologies containing artificial photosynthesis and metal-air batteries. Engineering inexpensive yet active electrocatalysts water mandatory cost-effective generation of solar fuels. Herein, we propose a novel hierarchical porous Ni-Co-mixed metal sulfide (denoted as NiCoS) on Ti3C2T x MXene via metal-organic framework (MOF)-based approach. Benefiting from unique structure strong interfacial interaction between NiCoS sheets,...

Electrochemical water splitting to produce hydrogen bears a great commitment for future renewable energy conversion and storage. By employing an in situ chemical vapor deposition (CVD) process, we prepared bimetal (Ni Mo) sulfide-based hybrid nanowire (NiS2/MoS2 HNW), which was composed of NiS2 nanoparticles MoS2 nanoplates, revealed that it is efficient electrocatalyst the evolution reaction (HER) over wide pH range due collective effects rational morphological design synergistic...

The design and decoration of plasmonic metal hybrid photoanodes provide an effective strategy for highly efficient photoelectrochemical (PEC) water splitting. In this work, Au nanoparticle (NP) decorated ordered ZnO/CdS nanotube arrays (ZnO/CdS/Au NTAs) photoanode has been rationally designed successfully synthesized. By virtue the favorable band alignment specific structure as well surface effect NPs, ZnO/CdS/Au NTAs shows significantly enhanced PEC performance compared to nanorod (NRAs)....

Electrochemical CO2 reduction reaction (CO2RR) to formate is considered as one of the most promising routes for value-added fuels and chemical productions. The achievement excellent activity high Faradaic efficiency in a wide potential range critical mature applications. To this regard, we first employed density functional theory simulations predict Bi nanotubes nanosheets CO2RR selectivity toward formate. theoretical thermodynamic analysis energetics suggests that limiting HCOOH decreases...

Abstract Hydrogen (H 2 ) has been deemed as the most promising and valuable alternative to nonrenewable fossil fuels. Photocatalytic electrocatalytic water splitting are considered be efficient environmentally friendly approaches for sustainable H evolution reaction (HER). Graphene with a 3D framework utilized HER due its unique structure properties, including hierarchical network, large specific surface area, diverse pore distribution, outstanding light absorption ability, excellent...

Abstract Solar conversion of CO 2 into energy-rich products is one the sustainable solutions to lessen global energy shortage and environmental crisis. Pitifully, it still challenging attain reliable affordable conversion. Herein, we demonstrate a facile one-pot approach design core-triple shell Mn, C-codoped ZnO hollow spheres as efficient photocatalysts for reduction. The Mn ions, with switchable valence states, function “ionized cocatalyst” promote adsorption light harvesting system....

With the synergistic effect of oxidized carbon nanotubes, hierarchical NiCo₂O₄ nanosheet-decorated nanotubes exhibit superior OER catalytic performance.

Rational design and development of new-generation photocatalysts with high hydrogen evolution activity is recognized as an effective strategy to settle energy crisis. To this regard, hybrid Au quantum dots embedded in rimous cadmium sulfide nanospheres are synthesized by using a simple hydrothermal process followed photoreduction. The rough surface irregular fissures greatly strengthen their adhesion interaction dots, which effectively facilitates the separation, restrains recombination,...

The effective separation and transport of photoinduced electron-hole pairs in photoanodes is great significance to photoelectrochemical catalytic performance. Here, a facile two-step strategy developed fabricate double-shelled ZnO/CdS/CdSe porous nanotube from ZnO nanorod arrays (NRAs). Surprisingly, after the process deposition CdS CdSe, are partially dissolved, resulting formation (NTAs). By virtue their unique structure cosensitization effect, NTAs show superior water-splitting...

By providing dual active sites to synergistically accelerate H2 O dissociation and H+ reduction, ordered intermetallic alloys usually show extraordinary performance for pH-universal hydrogen evolution reaction (HER). Herein, activated N-doped mesoporous carbon spheres supported Pt3 Fe (Pt3 Fe/NMCS-A), as a highly-efficient electrocatalyst HER, are reported. The Fe/NMCS-A exhibits low overpotentials (η10 ) of 13, 29, 48 mV deliver 10 mA cm-2 in 0.5 m SO4 , 1.0 KOH, phosphate buffered solution...

Abstract Photocatalytic conversion of CO 2 into useful products is a promising technology from environmental and economic viewpoints. However, the efficiency current photocatalytic materials still unsatisfactory. In this work, robust S‐scheme heterojunction composed 3D ZnO hollow spheres wrapped by 2D g‐C 3 N 4 layers fabricated. The electrostatic attraction between both components not only facilitates exfoliation but also strengthens photocatalyst framework. prepared /ZnO afforded an...

Dual-atom catalysts (DACs) have attracted considerable interest since they utilize adjacent metal centers in the metal(I)–metal(II) dimer structure to achieve functionality complementarity and more flexible active sites compared single-atom (SACs). Herein, we report that synergistic effect electron redistribution Pt1Ru1 can simultaneously accelerate H2 generation improve catalyst's activity. The as-developed Pt1Ru1/NMHCS-A exhibits a quite low overpotential (η10) of 22 mV drive current...

The development of highly efficient and robust photocatalysts has attracted great attention for solving the global energy crisis environmental problems. Herein, we describe synthesis a p-n heterostructured photocatalyst, consisting ZnO nanorod arrays (NRAs) decorated with BiOI nanoplates (NPs), by facile solvothermal method. product thus obtained shows high photoelectrochemical water splitting performance enhanced photoelectrocatalytic activity pollutant degradation under visible light...

To overcome the drawback of low photocatalytic efficiency brought by fast electron–hole recombination and narrow photoresponse range, heterostructured Bi₂S₃/BiOBr microspheres were designed synthesized <italic>via</italic> a facile one-pot solvothermal method.

Graphdiyne with a highly π-conjugated structure of sp- and sp²-hybridized carbon networks serves as superior additive to boost the activity water oxidation catalysts.