Device physics of van der Waals heterojunction solar cells
Recent Advances on Heterojunction-Type Anode Materials for Lithium-/Sodium-Ion Batteries. Hao Fu, Hao Fu. ... Hunan, 410083 China. Engineering Research Center of the Ministry of Education …
Therefore, designing HoMSs composed of metal oxide heterojunctions can improve the cycling stability and rate capability of anodes for lithium-ion batteries. Herein, ZnO/ZnCo …
The application of nickel chloride (NiCl 2) in thermal battery has been restrained for its poor electronical conductivity, which causes the voltage delay at the initial discharging process this research, a convenient oxygen etching method is put forward to construct a NiCl 2 –NiO heterojunction interface and improve its intrinsic conductivity. As …
The gas sensing performance of the sensor was measured by static volumetry. The sensor was tested in a 1 L gas chamber. When the base value resistance of the sensor reaches a steady state, the concentration of the target gas was calculated, the gas and air are passed into the gas chamber through the gas flow control valve, and the …
To investigate electrocatalyst performance in practical application, a homemade rechargeable zinc-air battery is assembled with g-C 3 N 4 /BiOBr/Bi 2 O 2 CO 3 ternary heterojunction coated on Ni-foam as the air cathode and zinc plate as the anode using 6.0 M KOH +0.2 M Zn (CH 3 COO 2).2H 2 O as electrolyte (see SI, Fig. S4).
Advanced Science is a high-impact, interdisciplinary science journal covering materials science, physics, chemistry, medical and life sciences, and engineering. ... Zn–CO 2 batteries are excellent candidates for both electrical energy output and CO 2 utilization, whereas the main challenge is to design electrocatalysts for electrocatalytic …
Covalent organic frameworks (COFs) have emerged as promising renewable electrode materials for LIBs and gained significant attention, but their capacity has been limited by the densely packed 2D layer structures, low active site availability, and poor electronic conductivity. Combining COFs with high-conductivity MXenes is an …
Recent Advances on Heterojunction-Type Anode Materials for Lithium-/Sodium-Ion Batteries. Hao Fu, Hao Fu. ... Hunan, 410083 China. Engineering Research Center of the Ministry of Education for Advanced Battery Materials, Central South University, Changsha, Hunan, 410083 China. Search for more papers by this author. Qing …
A novel WO 3 /Ag 2 MoO 4 heterojunction has been synthesized through a facile precipitation method with Ag 2 MoO 4 particles firmly deposited on the surface of WO 3 nanoplates, forming "particles-on-plate" type II heterojunction structures. This heterojunction exhibited improved photocatalytic activities for the degradation of …
A novel WO 3 /Ag 2 MoO 4 heterojunction has been synthesized through a facile precipitation method with Ag 2 MoO 4 particles firmly deposited on the surface of WO 3 nanoplates, forming "particles-on-plate" type II heterojunction structures. This heterojunction exhibited improved photocatalytic activities for the degradation of …
This panoramic review gives a nitty-gritty discourse on the various perspectives of heterojunction photocatalysis. It covers the fundamental principles of photocatalysis and presents a detailed discussion on various types of heterojunctions based on the electron–hole hopping pathway, such as type I, type II, type III, type B, Z-scheme, and S …
A class of direct plate-on-plate Z-scheme heterojunction SnS2/Bi2MoO6 photocatalysts was synthesized via a two-step hydrothermal method. The materials were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectra, Fourier transform infrared photoluminescence …
In this photo-involved battery system, the g-C 3 N 4-decorated WO 3 nanowire array (WO 3 @g-C 3 N 4 NWA) heterojunction semiconductor is used as both the photoelectrode and oxygen electrode. Upon charging under visible-light irradiation, the photoexcited holes and electrons are in situ generated on the WO 3 @g-C 3 N 4 NWA heterojunction cathode.
Heterojungsi - ikhtisar
To explore (NiCu)S/NC from the perspective of nanoscale, SEM and TEM were employed to investigate the morphology and structure of (NiCu)S/NC. As shown in Fig. 3 (a) and Fig. S2, the structure of (NiCu)S/NC is a hollow micro-sphere with a diameter of 2 μm, which is composed of the nano-spheres with a diameter of 100–200 nm.. By …
The operation of organic semiconductor devices such as organic photovoltaics (OPVs) and organic photodetectors (OPDs) relies on photoinduced charge …
Transition metal chalcogenides are considered to be the most promising battery-type cathodes to construct hybrid supercapacitors. The rational design and construction of multi-anion-based heterojunctions with multi-interface structures, such as sulfoselenide and oxyselenide, are significant and necessary. In
Designing reasonable composited material with optimized structures for high-performance electrodes have aroused widespread concern. Herein, we report a P doped Ni(OH) 2 @Ni–Co LDH arrays with core-shell hierarchical structure are in-situ grown on the 3D Ni foam (PNH@N–C LDH/NF). Benefiting from this unique core-shell …
This research showcases the progress in pushing the boundaries of silicon solar cell technology, achieving an efficiency record of 26.6% on commercial-size p-type wafer. The lifetime of the gallium-doped wafers is effectively increased following optimized annealing treatment. Thin and flexible solar cells are fabricated on 60–130 μm wafers, …
The wide-bandgap semiconductors, which have the advantages of radiation resistance and high carrier mobility, have gained increased research attention in recent years for the conversion nuclear battery. Nevertheless, when a wide-bandgap semiconductor is used, the collection efficiency and current are reduced, even though the open circuit voltage is …
Different source field plate (FP) connections are compared for the all-GaN integrated cascode device to address the capacitance matching and turn-off controllability issues reported in the conventional GaN plus Si cascode. The experimental results suggest that the cascode device with an FP connected to the source terminal can significantly …
Strategies for realizing high-efficiency silicon ...
Waste resource recovery and water pollution control are two important issues in environmental protection. In this study, ZnFe 2 O 4 prepared from spent alkaline Zn-Mn battery was combined with g-C 3 N 4 (CN) to form ZnFe 2 O 4 /g-C 3 N 4 (ZFO-CN) step-scheme (S-scheme) heterojunction photocatalyst to eliminate bisphenol A (BPA) in …
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