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Monolithic integration of perovskite heterojunction on TFT …
(A) Energy level diagrams of CsPbI x Br 3−x (0 ≤ x ≤ 3) films according to (). Devices structure of (B) single-composition and (C) heterojunction device used in dark current simulation with solar cell capacitance simulator (SCAPS).Blue color represents the CsPbIBr 2, and the red color represents the CsPbI 2 Br. (D) Simulated J-V curves for …
Get PriceDesign strategies of ZnO heterojunction arrays towards effective photovoltaic applications
1 INTRODUCTION ZnO nanorods (NRs) have become the most researched inorganic materials in the field of solar cells due to their high aspect ratio, large specific surface area, high electron mobility, and good single crystal properties. 1-8 However, the disordered arrangement of NRs will lead to poor carrier transport performance, which …
Get PriceSynthesis of model heterojunction interfaces reveals molecular …
The operation of organic semiconductor devices such as organic photovoltaics (OPVs) and organic photodetectors (OPDs) relies on photoinduced charge …
Get PriceStructural evolution and lithium-storage mechanism of the …
Constructing heterojunctions is an effective strategy for improving the migration of electronic charge carriers and enhancing electronic conductivity. Herein, …
Get PriceStudy of the Structure, Electronic and Optical Properties of BiOI/Rutile-TiO2 Heterojunction …
Using the first-principle calculation that is based on the density functional theory (DFT), our group gains some insights of the structural, electronic and optical properties of two brand new types of BiOI/TiO2 heterojunctions: 1I-terminated BiOI {001} surface/TiO2 (1I-BiOI/TiO2) and BiO-terminated BiOI {001} surface/TiO2 (BiO-BiOI/TiO2). …
Get PriceHollow sphere of heterojunction (NiCu)S/NC as advanced anode for sodium-ion battery …
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 …
Get PriceHighly active nanostructured CoS2/CoS heterojunction …
The polysulfide/iodide flow battery with the graphene felt-CoS 2 /CoS heterojunction can deliver a high energy efficiency of 84.5% at a current density of 10 mA cm −2, a power density of 86.2...
Get PriceConstructing heterojunction on N-doped porous carbon …
CoP-Co 2 P/NPCNFs heterojunction catalysts are prepared and applied to accelerating the catalytic conversion of LiPS. • Under the action of the BIEF, the heterojunction showed …
Get PriceBand engineering of α-Fe2O3/SnO2 heterojunction photocathode enables highly efficient and stable Li−O2 batteries …
Light energy into the charging/discharging process is an effective strategy to reduce the overpotential of Li−O 2 battery. A bifunctional photocatalyst α-Fe 2 O 3 /SnO 2 (FS) heterojunction was designed as the cathode. Band engineering strategy effectively utilize
Get PriceAnalysis of the heterojunction band offset of h-BN/TMDCs
Significant progress has been made in studying 2D materials, including graphene, TMDCs and h-BN, which has led to the fabrication of a variety of devices meeting different requirements. While the properties of 2D TMDCs and related heterojunction devices have ...
Get PriceHeterojunction structures for reduced noise in large …
Devices structure of single composition device (A) and heterojunction device (B) used in SCAPS simulation.Gray color represents a narrower bandgap perovskite, and the red color represents a WBG …
Get PriceAdvances of Various Heterogeneous Structure Types in …
1 Introduction Over the last half century, various types of functional devices have been built using semiconductor heterojunctions; these have laid the groundwork for the development of the modern electronics industry. [1-6] An electronic heterostructure is defined as a junction of two materials with distinct energy bands in which the charge transport …
Get PriceHarnessing strong aromatic conjugation in low-dimensional …
Here, we report a low-dimensional/three-dimensional perovskite heterojunction that introduces strong aromatic conjugated low-dimensional perovskites …
Get PriceThe universality applications of MoS2@MnS heterojunction hollow microspheres for univalence …
The synthesized samples were tested by XRD. Fig. S1 shows the XRD diagram of the prepared template. Clearly, the characteristic diffraction peak can accurately match the standard MnCO 3 card, proving the successful preparation of MnCO 3 template [37]. Fig. 2 a shows the XRD pattern of 1T phase MoS 2 and MoS 2 @MnS. @MnS.
Get PriceSimple Synthesis of MoSSe Heterojunction Nanosphere for …
2 · This heterojunction is expected to combine the characteristics of MoSe 2 and MoS 2, enhancing both the structural stability and the Na + diffusion rate. Furthermore, …
Get PriceModeling and simulation of a high power InGaP/GaAs heterojunction alphavoltaic battery …
The design of semiconductor-based heterojunction structures can be turned useful to raise the efficiency of nuclear micro-batteries. In this study, we have investigated a micro-power alphavoltaic battery by using a lab-made software. The nuclear battery consists of an In0.49Ga0.51P/GaAs heterostructure irradiated by americium-241 (Am241) alpha …
Get PriceRational design of the FeS2/NiS2 heterojunction interface structure to enhance the oxygen electrocatalytic performance for zinc–air batteries ...
Fine design of nanostructures of bifunctional electrocatalysts and developing low-cost, efficient and durable electrocatalytic materials are important directions for the development of sustainable energy storage and conversion devices such as electrolytic water and metal–air batteries. In this work, nickel–i
Get PriceHeterojunction tunnelled vanadium-based cathode materials for high-performance aqueous zinc ion batteries …
Based on the TEM images in Fig. S6, the VO 2 exhibits a typical block-like morphology with dimensions ranging from 1 to 3 µm (Fig. S6 a).The interplanar spacing of 0.35 nm corresponds to the (1 1 0) crystal plane of VO 2 (Fig. S6 b) [32] contrast, the BiVO 4 material was observed to possess a nanorod structure, with a length of …
Get PriceRational design of the FeS2/NiS2 heterojunction …
Fine design of nanostructures of bifunctional electrocatalysts and developing low-cost, efficient and durable electrocatalytic materials are important directions for the development of …
Get PriceRecent advances in semiconductor heterojunctions: a detailed …
Fig. 2 Schematic diagram depicting the band structure along with the charge recombination processes in the (I) Schottky barrier, (II) p–n heterojunction and (III) facet junction. In (I), panels (a)–(c) represent the steps before contact, after contact and the creation of a Schottky-like barrier, respectively.
Get PriceUnderstanding of MoS2/GaN Heterojunction Diode and its Photodetection Properties …
Pengertian Dioda Heterojunction MoS2/GaN dan Sifat ...
Get PriceA fast response hydrogen sensor based on the heterojunction of MXene and SnO2 nanosheets for lithium-ion battery …
During the process of lithium-ion battery failure, the discharge of hydrogen indicates that the electrolyte has leaked and is being electrolyzed, which is a sign of thermal runaway in lithium batteries. In this work, stannic oxide (SnO 2) nanosheets was formed by high-temperature calcination and compounded with Ti 3 C 2 Tx (MXene) in different …
Get PriceRational design of type-II nano-heterojunctions for nanoscale optoelectronics …
Other strategies have been developed to optimize the band alignment as well. For instance, Wick-Joliat et al. developed a dipole strategy in aim to control the band bending at the interface [25] their study, the phosphonic acid (PA) inserted between p-Si and n-TiO 2 heterojunction creates a dipole layer, which can be represented by a step in …
Get PriceStrategies for realizing high-efficiency silicon heterojunction solar …
Strategies for realizing high-efficiency silicon ...
Get PriceFe3O4/Fe/FeS Tri‐Heterojunction Node Spawning N‐Carbon Nanotube Scaffold Structure for High‐Performance Sodium‐Ion Battery …
The SEM and TEM were performed to characterize the morphology of FHNCS. As shown in SEM of Figure 2c, an obvious scaffold structure taking the Fe 3 O 4 /Fe/FeS tri-heterojunction particles as intersection, the 3D cross-crossed carbon nanotubes as bridging was achieved. ...
Get PriceThree-Phase-Heterojunction Cu/Cu
Herein, the three-phase heterojunction Cu-based electrocatalyst (Cu/Cu 2 O-Sb 2 O 3 -15) is synthesized and evaluated for highly selective CO 2 reduction to CO, …
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