Abstract Semiconductive property of elementary substance is an interesting and attractive phenomenon. We obtain a breakthrough that fibrous phase red phosphorus, recent discovered modification phosphorus by Ruck et al., can work as semiconductor photocatalyst for visible‐light‐driven hydrogen (H 2 ) evolution. Small sized obtained 1) loading it on photoinactive SiO fibers or 2) smashing ultrasonically. They display the steady evolution rates 633 μmol h −1 g 684 , respectively. These values...

Accelerated surface redox reaction and regulated carrier separation are the crux to development of highly reactive oxide semiconductors for efficient photoelectrochemical water splitting. Here, we have selected Nb2O5 materials that combine unique acidity semiconductor properties, first used phosphorylation change its acidic sites (Lewis Brønsted sites) achieve The resulting photoanode born from this strategy exhibits a high photocurrent density 0.348 mA/cm2 at 1.23 VRHE, which is about...

Abstract One of the crucial challenges to enhance photoelectrochemical water‐splitting performance hematite (α‐Fe 2 O 3 ) is resolve its very fast charge recombination in bulk. Herein, we describe design and fabrication dual‐axial gradient‐doping on 1D Fe nanorod arrays with Zr doping for x ‐axial Sn y directions promote separation. This structure fulfills requirements a greater electron‐carrier concentration increasing conductivity as well higher charge‐separation efficiency across...

In this paper, a novel ZnO nanorods (NRs)/BiVO₄ heterojunction has been successfully prepared as photoanode for photoelectrochemical (PEC) water splitting.

A ZnO/CdS heterojunction photoanode simultaneously decorated with separated Au and FeOOH cocatalysts is first established applied in efficient photoelectrochemical water splitting. Enhanced optical performance observed as well the photocurrent density enhancement of 116% (5.38 mA·cm–2 at 1.23 V vs RHE) compared to that a pure ZnO which can be ascribed improved light absorption ability, enhanced charge transfer, separation. Furthermore, it obviously seen onset potential shifted negatively...

The construction of junctions on hematite is an effective way to overcome the problems slow charge separation and transfer kinetics, but constructing junction a significant challenge in photoelectrochemical (PEC) water splitting. Herein, considerable improvement PEC performance for α-Fe2 O3 was achieved following introduction p-n homojunction between n-type p-type Ca-doped through facile hydrothermal method. resultant 3D branched Ca-Fe2 /Fe2 enhanced absorption intensity reached photocurrent...

The combination of graphene (GR) and monolayer MoSi2N4 has attracted much attention; however, the comprehension its electrical contact modulation is still not fully explored. Herein, influence interlayer spacing external electric field on interfacial characteristic electronic structure GR/MoSi2N4 heterojunction was systematically investigated using first-principles calculations. It found that a stable van der Waals forms when GR incorporates sheets. results indicate both type height Schottky...

Accelerating the separation and transfer of photogenerated carriers a photoelectrode is vital to achieve substantial performance increase for photoelectrochemical (PEC) water splitting. In this paper, CuInS2 photocathode collaborative modified with separated cocatalyst layers including top Pt layer bottom FeOOH first fabricated ameliorate PEC The can utilize holes from then through conductive glass wire counter electrode. collect electrons surface reduction. effectively hole electron so as...

Abstract In this work, cobalt phosphide (CoP) nanoparticles were successfully decorated on an ultrathin g‐C 3 N 4 nanosheet photocatalysts by in situ chemical deposition. The built‐in electric field formed heterojunction interface of the CoP/g‐C composite semiconductor can accelerate transmission and separation photogenerated charge‐hole pairs effectively improve photocatalytic performance. TEM, HRTEM, XPS, SPV analysis showed that a stable heterogeneous enhanced electron‐hole separation....

Designing and fabricating photoelectrodes with low carrier recombination, high transfer, light-capture capability is of great significance for achieving effective photoelectrochemical (PEC) water splitting. Herein, the first time, 2D nonstoichiometric WO3-x nanoflakes (NFs) were vertically grown by hydrothermal synthesis on 1D WO3 nanorods (NRs) obtained a method high-temperature annealing (HTA). In this HTA-WO3 /2D photoanode, NFs active areas could maximize light harvesting, unique 1D/2D...

Using hydrogen as an energy source has gained broad interest because of its eco-friendly, renewable, high density, and sustainable nature. It is important to note that generation by the photoelectrochemical water splitting (PEC-WS) system demonstrated efficient pathway address future environmental issues. Playing a critical role in typical PEC-WS system, transitional metal oxides (such ZnO, TiO2, SnO2, etc.) were usually applied photoanodes view their excellent electron mobility, strong...

CoFe-NiOOH is developed for the first time as a ternary polymetallic surface oxygen evolution cocatalyst to enhance photoelectrochemical (PEC) water splitting performance of BiVO4-based photoanodes. Excellent semiconductor/cocatalyst interface matching reduces recombination ratio photogenerated carriers. Because lower overpotential and faster hole injection rate, BiVO4/CoFe-NiOOH photoanodes exhibit excellent PEC performance: photocurrent 1.54 mA/cm2 [at 1.23 V vs reversible hydrogen...

Highly ordered AgInS2-modified ZnO nanoarrays were fabricated via a low-cost hydrothermal chemical method, and their application as all-solid-state solar cells was also tested. A sensitizer buffer layer developed around the surface of nanotubes in preparation process, this method is easily be manipulated to produce uniform structure. In structure, served direct electron transport path, ZnS layer, ternary AgInS2 absorber outer shell. The novel hybrid (ITO/ZnO/ZnS/AgInS2/P3HT/Pt) showed...

Abstract Semiconductive property of elementary substance is an interesting and attractive phenomenon. We obtain a breakthrough that fibrous phase red phosphorus, recent discovered modification phosphorus by Ruck et al., can work as semiconductor photocatalyst for visible‐light‐driven hydrogen (H 2 ) evolution. Small sized obtained 1) loading it on photoinactive SiO fibers or 2) smashing ultrasonically. They display the steady evolution rates 633 μmol h −1 g 684 , respectively. These values...