The design of a high performance, stable and cost-effective electrocatalyst for oxygen evolution is crucial H₂ production from electrochemical water splitting.

A new nonlinear optical (NLO) oxysulfide, Sr6 Cd2 Sb6 O7 S10 , which contains the functional groups [SbOx S5-x ]7- (x=0, 1) with a 5s2 electron configuration, is synthesized by solid-state reaction. This compound displays phase-matchable second harmonic generation (SHG) response four times stronger than AgGaS2 (AGS) under laser irradiation at 2.09 μm. Single-crystal-based measurements reveal SHG intensity that can be tuned temperature and novel photoluminescence properties. Theoretical...

Abstract Exploring in‐plane anisotropic 2D materials is of great significance to the fundamental studies and further development polarizationsensitive optoelectronics. Herein, chiral niobium oxide diiodide (NbOI 2 ) introduced into intriguing family with experimental demonstration optical electrical properties. NbOI crystals exhibit highly dispersed band structures around Fermi surface strong anisotropy phonon vibrations owing different bonding modes Nb atoms along b ‐ c ‐axes. Consequently,...

Large current-driven alkaline water splitting for large-scale hydrogen production generally suffers from the sluggish charge transfer kinetics. Commercial noble-metal catalysts are unstable in large-current operation, while most non-noble metal can only achieve high activity at low current densities <200 mA cm-2 , far lower than industrially-required (>500 ). Herein, a sulfide-based metallic heterostructure is designed to meet industrial demand by regulating electronic structure of phase...

The achievement of balanced performance with a strong second-harmonic generation (SHG) response, proper birefringence, and wide band gap concurrently is crucial but challenging task in infrared nonlinear optical (IR-NLO) crystals. Here, we theoretically confirmed that the heteroanionic oxysulfide tetrahedron would produce improved polarizability anisotropy quadratic hyperpolarizability compared monoanionic oxide or sulfide tetrahedra. When this anion-mixing strategy was applied, melilite...

A solid-state zinc-ion battery can fundamentally eliminate dendrite formation and hydrogen evolution on the zinc anode from aqueous systems. However, enabling fast ion + conduction in solid crystals is thought to be impossible. Here, we demonstrated a fluorine-doping approach achieving Zn2+ transport mesoporous ZnyS1-xFx. The substitutional doping of fluoride with sulfide substantially reduces migration barrier crystalline phase, while mesopore channels bounded dimethylformamide enable...

With the diversification of tourist demand for a destinations’ supply, rural tourism destinations are facing an increasingly fierce competition environment. Creating brand value and improving tourists’ willingness to revisit has become inevitable strategic choice destinations. In this study, we proposed framework “tourism motivation-destination image-satisfaction-willingness revisit” investigate tourism. We investigated from aspects learning entertainment motivation, novelty-seeking natural...

Sr5Ga8O3S14, which is a novel nonlinear optical oxysulfide, was discovered via solid-state reaction. The compound crystallizes in noncentrosymmetric space group P21212 (No. 18) of the orthorhombic system. crystal structure derived from melilite and composed anionic [Formula: see text] layers intercalated by Sr2+ cations. are constructed [GaOS3]5- [GaS4]5- tetrahedra either corner sharing or edge sharing, while typical only features edge-sharing mode. Because existence electronegative O...

Abstract Efficient hydrogen release from ammonia borane (AB) with a striking content (19.6 wt%) via thermolysis provides promising pathway for on‐board applications utilizing energy. However, the sluggish kinetics at low temperatures and high energy consumption of thermal dehydrogenation are major obstacles AB. Herein, novel solar‐driven strategy production AB temperature is proposed, in which Ti 2 O 3 utilized as full‐spectrum light absorber photothermal‐activating solid‐state reactants to...

Industrial parks in China have a large energy consumption with noticeable peak valley difference between and colossal carbon emission. This causes significant contradiction supply the country. To solve above-mentioned problems, an optimization method is proposed for park integrated system based on demand response. First, model of typical day industrial during summer was constructed. Second, price response established according to substitution elasticity coefficient. Considering dynamic...

The controllable and low-cost synthesis of nanometal particles is highly desired in scientific industrial research. Herein, size-tunable Ru nanoparticles were synthesized by using a novel ion-sieve-confined reduction method. H2TiO3 ion-sieve was used to adsorb Ru3+ into the hydroxyl-enriched porous [TiO3]2– layers. confined environment interlayer space facilitates Ru–Ru collision bonding during annealing, achieving precise from Ru0 without additional reductants. Owing confinement effect, are...

The deployment of LoRa networks necessitates joint performance optimization, including packet delivery rate, energy efficiency, and throughput. Additionally, multiple parameters for transmission must be dynamically configured to tailor the metrics prioritization across varying channel environments. Because coupling relationship between metrics, existing works have opted focus on certain or specific circumvent intricate relationship, leading limited adaptability. Therefore, we propose D-LoRa,...

Recently, large language models (LLMs) have been deployed to tackle various software engineering (SE) tasks like code generation, significantly advancing the automation of SE tasks. However, assessing quality these LLM-generated and text remains challenging. The commonly used Pass@k metric necessitates extensive unit tests configured environments, demands a high labor cost, is not suitable for evaluating text. Conventional metrics BLEU, which measure only lexical rather than semantic...

Chitin nanofibers (ChNFs) were successfully prepared from lobster shells using deep eutectic solvents (DESs) and ammonium persulfate oxidation (APS), offering a sustainable approach for marine waste. DES-treated chitin with a...

The expression of lone‐pair electrons (LPEs) in solid‐state materials plays a significant role range properties and functionalities. ns2 LPEs contribute to high lattice anharmonicity strong distortion polarization, which are pivotal for the exceptional thermoelectric, optoelectronic, ferroelectric, second‐harmonic generation properties, among others. This Review Article examines transformative impact on physical functional materials, specifically focusing metal halide perovskites,...

Abstract Boron, the most ideal lithium‐ion battery anode material, demonstrates highest theoretical capacity up to 12 395 mA h g −1 when forming Li 5 B. Furthermore, it also exhibits promising features such as light weight, considerable reserves, low cost, and nontoxicity. However, boron‐based materials are not in hotspot list because B may only exist is atomically isolated/dispersed form, while aggregate material can barely be activated store/release Li. At this time, an ingenious design...

Two new oxysulfides, AeGeS2O (Ae = Sr, Ba), were successfully synthesized via the molten salt method. The two isostructural compounds crystallize in noncentrosymmetric space group P212121. Their structures feature 1∞[GeS2O]2- one-dimensional helical chains which are built up by [GeS2O2]4- heteroanionic tetrahedra corner sharing of O atoms. oxysulfides typical semiconductors with wide bandgaps (SrGeS2O: 3.9 eV and BaGeS2O: 4.1 eV) that perfectly consistent first-principles calculation...

A new layered compound KCu₂SbS₃ was synthesized <italic>via</italic> a facile reactive flux method. The compound, whose crystal structure features [Cu₂SbS₃]⁻ layers packing along [001], possesses direct-transition band gap of 1.7 eV. Photoelectric measurement demonstrates the potential for applications in photovoltaic devices.