Multimetallic alloy nanoparticles (NPs) have received considerable attention in various applications due to their compositional variability and exceptional properties. However, the complexity of both general synthesis structure-activity relationships remain long-standing challenges this field. Herein, we report a versatile 2D MOF-assisted pyrolysis-displacement-alloying route successfully synthesize series binary, ternary even high-entropy NPs that are uniformly dispersed on porous...

The integration of electronic effects into complexes for the construction novel materials has not yet attracted significant attention in field energy storage. In current study, eight one-dimensional (1D) nickel-based salicylic acid (Ni-XSAs, X = pH, pMe, pMeO, mMe, pBr, pCl, pF, and pCF3 ), are prepared by ligand engineering. coordination environments Ni-XSAs explored using X-ray absorption fine structure spectroscopy. charge transfer is modulated according to difference electron-donating...

Abstract Introduction of iron in various catalytic systems has served a crucial function to significantly enhance the activity toward oxygen evolution reaction (OER), but relationship between material properties and catalysis is still elusive. In this study, by regulating distinctive geometric sites spinel, Fe occupies octahedral (Fe 3+ (Oh) ) confines Co tetrahedral site (Co 2+ (Td) ), resulting strikingly high (η j = 10 mA cm −2 229 mV η 100 281 mV). Further enrichment ions would occupy...

Plasmonic nanostructures are capable of driving photocatalysis through absorbing photons in the visible region solar spectrum. Unfortunately, short lifetime plasmon‐induced hot carriers and sluggish surface chemical reactions significantly limit their photocatalytic efficiencies. Moreover, thermodynamically favored excitation mechanism plasmonic is unclear. The how catalyst could enhance performance reaction limitation localized plasmon resonance devices proposed. In addition, a design...

Novel noncentrosymmetric (K_0.38Ba_0.81)Ga₂Se₄ can be obtained from centrosymmetric BaGa₂Se₄<italic>via</italic> partial substitution, and it demonstrates promising balanced NLO properties.

Abstract A large number of highly active Ru‐based electrocatalysts have been reported for the hydrogen evolution reaction (HER). The utilization synergistic effects promoting HER performance remains inadequate, especially corresponding potential‐driven reactive sites at atomic level. Herein, a Co‐substituted RuRu 2 P structure is employed as model system to reveal effect on and realize during HER. Optimized @ Co 0.6 exhibits superior catalytic in alkaline electrolytes, achieving low...

Photovoltaic performance of a perovskite solar cell is observed to decrease with increasing humidity, which might be attributed the formation hydrated intermediates leading in extraction photocarriers. However, direct evidence interplay between layer and photovoltaic under operating conditions (consecutive illumination) has not yet been reported. Herein, we investigated degradation cells situations through situ X-ray diffraction absorption spectroscopies, revealed that lead hydroxide iodide...

Abstract Multimetallic alloy nanoparticles (NPs) have received considerable attention in various applications due to their compositional variability and exceptional properties. However, the complexity of both general synthesis structure–activity relationships remain long‐standing challenges this field. Herein, we report a versatile 2D MOF‐assisted pyrolysis‐displacement‐alloying route successfully synthesize series binary, ternary even high‐entropy NPs that are uniformly dispersed on porous...

Two new pentanary sulfides LiAgIn 2 GeS 6 and NaAgIn were derived from parent Ag In via Li Na partial substitution of element, their SHG efficiencies LIDT intensities enhanced concurrently.

In this work, we have demonstrated a double-boosting strategy that can significantly enhance the stability of hydrogen evolution reaction (HER) for non-noble-metal-based electrocatalysts operating in harsh industrial conditions (6.0 M KOH, 343 K). With incorporation early-transition-metal and main-group elements Ni metal, ternary TiAlNi2 TiNi2Sn both exhibit higher robust durability HER than binary AlNi metal due to strong bonding states Ti-Ni Al/Sn-Ni below Fermi level. Additionally, they...

Oxychalcogenides can combine the large second-harmonic generation (SHG) effects of chalcogenides with wide bandgaps oxides to obtain high-performance infrared (IR) nonlinear optical (NLO) crystal materials. Here, first quaternary oxythiostannate NLO material Sr6Sn3OS11 crystallized in trigonal noncentrosymmetric space group P3m1 is synthesized by a high-temperature solid-state method. Its 0D structure features isolated [SnS4] and [SnOS3] tetrahedra, which be derived from parent Sr2SnS4...

Two-dimensional (2D) conjugated metal-organic frameworks (c-MOFs) have attracted extensive interest in electrochemical fields due to their inherent electrical conductivity. However, the severe interlayer stacking still poses barriers toward potential applications. The reliable synthesis of ultrathin c-MOF nanosheets is crucial yet remains challenging. Herein, we demonstrate an exfoliation approach obtain from layer-stacked crystals. Our results reveal electric field-induced ion intercalation...

This article focuses on the synthesis and crystal chemistry of six members a series rare-earth metal based germanides with general formula RELiGe2 (RE = La–Nd, Sm, Eu). The structures these compounds have been established by single-crystal X-ray diffraction (CaLiSi2 structure type, space group Pnma, Z 4, Pearson symbol oP16). chemical bonding within this atomic arrangement can be rationalized in terms anionic germanium zigzag chains, conjoined via chains edge-shared LiGe4 tetrahedra...

In this work, we have systematically investigated the HER activity of RE2Co17 (RE = Y, Pr, Gd, Tb, Ho and Er) series revealed that their activities are highly correlated with averaged Co-Co bond length each compound. The performance follows order Gd2Co17 > Tb2Co17 Pr2Co17 Y2Co17 Ho2Co17 Er2Co17. This suggests unique feature rare-earth metals, lanthanide contraction, can effectively alter interatomic spacing impact corresponding activity. Additionally, Gd2Fe17 Gd2Ni17 different d electron...

Reported are the synthesis, material characterization, and electrocatalytic hydrogen evolution reaction (HER) in acid alkaline electrolytes for Brewer intermetallic phase, Nb6Co7 Mo6Co7. It was realized that overpotential at a current density of 10 mA/cm2 (η10) (η10 = 62 mV) Mo6Co7 143 both much lower than using single Co metal 253 electrolytes. The enhancement HER activity can be attributed to hypo-hyper-d-electronic interaction between Nb/Mo elements. Based on result functional theory...

Herein, two Laves intermetallic series, ZrCo1.75M0.25 and NbCo1.75M0.25 (M = Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt), were synthesized, their hydrogen evolution reaction (HER) activities examined to reveal the influence of d electrons corresponding HER activities. Owing different electronegativity between Zr Nb (χZr 1.33; χNb 1.60), Co and/or M elements receive more in than that one. This leads overall weak H adsorption energy (ΔGHad) series compared rationalizes well superior activity Rh member...

We demonstrated that the electronic-band structure holds key to electrocatalytic durability towards oxygen-evolution reaction (OER).

Exploring an efficient and robust electrocatalyst for hydrogen evolution reaction (HER) at high pH temperature holds the key to industrial application of alkaline water electrolysis (AWE). Herein, we design open tunnel structure by dealloying a series Laves phase intermetallics, i.e., MCo2 MRu0.25Co1.75 (M = Sc Zr). The process can induce zeolite-like metal framework ScCo2 ScRu0.25Co1.75 stripping from center structure. This structural engineering significantly lowers their overpotentials...

This study focuses on the exploration of ternary systems A-Li-Pn with A = Ca-Ba, Eu and Yb Pn As-Bi resulting in extensions ALiPn series (A Ca, Sr, Yb; As-Bi; orthorhombic Pnma) MgSrSi structure type A3Li4Pn4 family Ba, Eu; Immm) Zr3Cu4Si4 type, as well novel compound Eu4Li7Bi6 (monoclinic, C2/m) its own type. The relevant structural relationships are discussed. building blocks topology polyanionic networks among three different structures compared side-by-side. Electronic band calculations...

Abstract The novel complex pnictides Ba 4 Li 2 Cd 3 Pn 6 ( = P, As and Sb) have been synthesized by direct combination of the respective elements at high temperature, structurally characterized single‐crystal X‐ray diffraction. three isostructural compounds crystallize with their own structure type in centrosymmetric orthorhombic space group Cmcm (Pearson code oC 60). crystal is based on one‐dimensional infinite chains supertetrahedral clusters, [Cd 10 ], running parallel a ‐axis. These are...