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Article
Open AccessMetal-organic frameworks for solar-driven desalination
The rising demand for freshwater and the challenge of energy scarcity have fueled interest in solar interfacial water evaporation technology, which harnesses solar energy to produce clean water. Attaining high...
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Article
Open AccessMicrosecond-response perovskite light-emitting diodes for active-matrix displays
Perovskite light-emitting diodes (PeLEDs) could be of use in the development of active-matrix displays. However, due to ion migration in crystal structure, PeLEDs have electroluminescence rise times over milli...
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Article
Nanosurface-reconstructed perovskite for highly efficient and stable active-matrix light-emitting diode display
Perovskite quantum dots (QDs) are promising for various photonic applications due to their high colour purity, tunable optoelectronic properties and excellent solution processability. Surface features impact t...
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Article
Open AccessEfficient and bright broadband electroluminescence based on environment-friendly metal halide nanoclusters
Broadband electroluminescence based on environment-friendly emitters is promising for healthy lighting yet remains an unprecedented challenge to progress. The copper halide-based emitters are competitive candi...
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Article
Switchable interfacial reaction enables bright and stable deep-red perovskite light-emitting diodes
High-performance deep-red light-emitting diodes (LEDs) are important for biomedical and agricultural applications. However, the development of bright and stable solution-processed deep-red LEDs remains challen...
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Article
Highly spectra-stable pure blue perovskite light-emitting diodes based on copper and potassium co-doped quantum dots
Halide perovskite light emitting diodes (LEDs) have gained great progress in recent years. However, mixed-halide perovskites for blue LEDs usually suffer from electroluminescence (EL) spectra shift at a high a...
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Article
Electrochemical Lithium Intercalation in Titania Nanowire Arrays for Boosting Photocatalytic Activity
Heterogeneous photocatalysis utilizing TiO2 nanoarrays is one of the most promising advanced oxidation techniques for wastewater treatments. It is still challenging to effectively improve the photocatalytic activ...
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Article
Improved β-Ga2O3 Solar-Blind Deep-Ultraviolet Thin-Film Transistor Based on Si-Do**
Gallium oxide (Ga2O3)-based photodetectors are attracting more and more attention for their wide range of applications in optical imaging, spatial communication, etc. In this work, solar-blind deep-ultraviolet th...
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Article
High-Quality β-Ga2O3 Films with Influence of Growth Temperature by Pulsed Laser Deposition for Solar-Blind Photodetectors
High-quality β-Ga2O3 films were grown on (0001) sapphire substrates at various substrate temperature by pulsed laser deposition (PLD) in a high vacuum chamber. Low pressure (1.6 mPa) and high reactivity oxygen pl...
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Article
Effect of Mg content on characteristics of amorphous ZnMgSnO thin-film transistors by a combustion solution process
Amorphous zinc–magnesium–tin oxide (a-ZMTO), a new kind of amorphous oxide semiconductors (AOSs), was prepared for fabricating thin-film transistors (TFTs) by a combustion solution process. The prepared ZnMgSn...
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Article
The Photoluminescence Properties of β-Ga2O3 Thin Films
In this work, β-Ga2O3 thin films were deposited by pulsed laser deposition (PLD) with changing oxygen pressure in the chamber. The θ–2θ scan x-ray diffraction (XRD) results reveal that the quality of the thin fil...
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Article
Aqueous Synthesis of Pd–M (M = Pd, Pt, and Au) Decahedra with Concave Facets for Catalytic Applications
Noble-metal nanocrystals with structural features such as high-index facets and twin defects on the surface are desirable for various catalytic applications. Here we report an aqueous route to the facile synth...
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Article
Self-powered ultraviolet photodetector based on CuGaO/ZnSO heterojunction
A heterojunction photodetector formed by CuO–Ga (CuGaO) and ZnO–S (ZnSO) thin film has been fabricated by solution combustion synthesis and magnetron sputtering. The band structure of CuGaO/ZnSO heterojunction...
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Article
Investigation on Na Acceptor Level in p-Type Na-Doped ZnMgO Thin Films Prepared by Pulsed Laser Deposition
Na-doped ZnMgO films have been deposited on quartz substrates by pulsed laser deposition and the effect of the oxygen pressure on their electrical properties investigated. The film deposited under optimal cond...
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Article
Open AccessIntegrated System of Solar Cells with Hierarchical NiCo2O4 Battery-Supercapacitor Hybrid Devices for Self-Driving Light-Emitting Diodes
Integration of solar cells, BSHs, and LEDs was developed for energy conversion, storage, and utilization in one system.
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Article
Dependence of device behaviours on oxygen vacancies in ZnSnO thin-film transistors
ZnSnO thin-film transistors (TFTs) were fabricated by pulsed laser deposition in different oxygen partial pressures. It is found that the oxygen vacancy (VO) contents in ZnSnO films can be readily modified by the...
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Article
Improved internal quantum efficiency of photoluminescence in zinc ion-implanted ZnO bulk crystals
Achieving a high internal quantum efficiency (IQE) of luminescence is critical to the optoelectronic applications but still a challenge for ZnO materials. In this work, we demonstrate that the IQE of bulk ZnO ...
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Article
A Method of Combining the Increased Density of Acceptors with Restrained Density of Oxygen Vacancies to Fabricate p-Type Single-Crystalline ZnO Films
Single-crystalline ZnO films with good crystal quality were grown by plasma-assisted molecular beam epitaxy (MBE) technique on c-plane sapphire substrates and implanted with fixed energy of 180-keV P and 100-k...
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Article
Ultra-thin-film transistors based on ultra-thin amorphous ZnSnO films
Ultra-thin amorphous ZnSnO (a-ZTO) films were deposited by pulsed laser deposition at room temperature and annealed at various temperatures for ultra-thin-film transistors (UTFTs). The thicknesses of the ultra-th...
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Article
Ultraviolet photodetector based on nanostructured ZnO-reduced graphene oxide composite
Due to the special structure and electrical properties of graphene, the ultraviolet (UV) photodetectors based on ZnO nanorods (NRs) were optimized by electrostatic self-assembly with reduced graphene oxide (rG...
