Currently, one-dimensional all-inorganic CsPbX3 (X = Br, Cl, and I) perovskites have attracted great attention, owning to their promising exciting applications in optoelectronic devices. Herein, we reported the exploration of superior photodetectors (PDs) based on a single CsPbI3 nanorod. The as-constructed PDs had totally excellent performance with responsivity 2.92 × 103 A·W–1 an ultrafast response time 0.05 ms, respectively, which were both comparable best ones ever for perovskite PDs....

Development of novel hybrid photocatalysts with high efficiency and durability for photocatalytic hydrogen generation is highly desired but still remains a grand challenge currently. In the present work, we reported exploration ternary TiO2/CuO/Cu thoroughly mesoporous nanofibers via foaming-assisted electrospinning technique. It found that by adjusting Cu contents in solutions, unitary (TiO2), binary (TiO2/CuO, TiO2/Cu), (TiO2/CuO/Cu) products can be obtained, enabling growth hybrids...

Colloidal ZnO nanoparticle (NP) films are recognized as efficient electron transport layers (ETLs) for quantum dot light-emitting diodes (QD-LEDs) with good stability and high efficiency. However, because of the inherently work function such films, spontaneous charge transfer occurs at QD/ZnO interface in a QD-LED, thus leading to reduced performance. Here, improve QD-LED performance, we prepared Ga-doped NPs low functions tailored band structures via room-temperature (RT) solution process...

We reported a superior thoroughly mesoporous ternary hybrid TiO₂/WO₃/g-C₃N₄ nanofiber photocatalyst for visible-light-driven hydrogen evolution without the assistance of noble metals.

Abstract Currently, all‐inorganic CsPbX 3 (X = Br, I, and Cl) perovskites (IPs) are emerging as excellent candidate materials for exploring optoelectronic devices, due to their superior optical/electronic performances. However, intrinsic poor stability greatly limits practical applications. Here, a general strategy is reported in situ growth of perovskite nanocrystals (IPNCs) polymer fibers with highly uniform size spatial distribution, which based on one‐step electrospinning solutions...

Abstract Quasi‐2D CsPbI 3 perovskites have emerged as excellent candidates for advanced photovoltaic technologies due to their fundamentally enhanced stability than conventional 3D counterparts. However, the applications of quasi‐2D are plagued with poor out‐of‐plane carrier mobility induced by intercalated insulating organic layers. In this work, a new strategy is explored significantly enhance charge transport in Dion–Jacobson (DJ) via leveraging intercalation aromatic diamine cations ( p...

Flexible field emission (FE) emitters, whose unique advantages are lightweight and conformable, promise to enable a wide range of technologies, such as roll-up flexible FE displays, e-papers light-emitting diodes. In this work, we demonstrate for the first time highly SiC emitters with low turn-on fields excellent stabilities. n-Type nanoneedles ultra-sharp tips tailored N-doping levels were synthesized via catalyst-assisted pyrolysis process on carbon fabrics by controlling gas mixture...

We report the front-illuminated ultraviolet photodetectors based on TiO₂nanotube arrays with efficient photodetecting activities.

Cesium-containing all-inorganic perovskites have received considerable interest in photovoltaics research because of their potential for improved stability compared to organic–inorganic hybrid counterparts. However, the inorganic studied thus far still suffer from lower power conversion efficiency and long-term instability due an unfavorable bandgap either phase or air sensitivity. Herein, a strategy mitigate these concerns is investigated by alloying tin lead on B site form tin–lead-alloyed...

Dual emission quantum dots (QDs) have attracted considerable interest as a novel phosphor for constructing ratiometric optical thermometry because of its self‐referencing capability. In this work, the exploration codoped Zn–In–S QDs with dual emissions at ≈512 and ≈612 nm from intrinsic Cu Mn dopants temperature sensing is reported. It found that dopant can be tailored by adjusting Mn‐to‐Cu concentration ratios, enabling in tunable manner. The energy difference between conduction band host...

3D hierarchical Ni(PO₃)₂nanosheet arrays are developed as a novel electrode material with superior energy storage behavior.

We report the exploration of all-inorganic perovskite photodetectors based on stabilized CsPb_0.922Sn_0.078I₃ nanobelts, which exhibit overall excellent performance with an ultrahigh detectivity up to 6.43 × 10¹³ Jones.

The intrinsic poor stability of MAPbI3 hybrid perovskites in the ambient environment remains as major challenge for photovoltaic applications. In this work, complementary first-principles calculations and experimental characterizations reveal that metal cation alloyed perovskite (MABa xPb1- xI3) can be synthesized exhibit substantially enhanced via forming stronger Ba-I bonds. Ba-Pb remain phase-pure air more than 15 days. Furthermore, bandgap MABa xI3 is tailored a wide window 1.56-4.08 eV....

We report a facile BiBr₃(DMSO)₂ adduct process to produce high-quality Cs₂AgBiBr₆ films with large grains for the first time, which leads an enhancement of over 40% on PCE Cs₂AgBiBr₆-based solar cells compared that control sample.

Low turn-on fields together with boosted stabilities are recognized as two key factors for pushing forward the implementations of field emitters in electronic units. In current work, we explored superior flexible based on single-crystalline 3C-SiC nanowires, which had numbers sharp edges, well corners surrounding wire body and B dopants. The as-constructed behaved exceptional emission (FE) behaviors ultralow (Eto) 0.94-0.68 V/μm fluctuations ±1.0-3.4%, when subjected to harsh working...

Lead-free orthorhombic CsSnI3 (Bγ-CsSnI3) perovskite has been emerging as one of the potential candidates photovoltaic materials with superior performance. However, instability induced by rapid reconstructive phase transition and oxidation Sn2+ greatly limits their future application. We thus reported a strategy, oriented π-conjugated ligand passivation, for enhancing stability Bγ-CsSnI3, simulated using Bγ-CsSnI3 slab model based on first-principles computation. The was found to be strongly...

We report the enhanced field emission of B-doped SiC nanowires with a low turn-on and high-temperature stability.

We reported the current emission from P-doped SiC nanowires with an ultralow turn-on field of 0.47 V μm⁻¹.

We reported the large-scale fabrication of highly oriented 4H-SiC gourd-shaped nanowire nanoarrays with a low turn-on field 0.95 V μm⁻¹.

Currently, the green tin halide perovskites are emerging as one of alternatives to their toxic lead counterparts. However, recognized big problem hindering application in photovoltaic devices is inferior open-circuit voltage, which could be effectively addressed by tuning work function (Φ). Herein, we propose a strategy for tailoring Φ γ-CsSnI3 via surface passivation with phenylethylammonium (PEA+) and its halogen derivatives (XPEA+) first-principles calculations. The tightly correlated...

We report an efficient dual-interface modification strategy to improve the charge carrier management with GABr and NH 4 F. As a result, target perovskite solar cells attain decent PCE of 19.61% remarkably enhanced fill factor 78.34%.