Lead-free Perovskite with Distorted [InX] Octahedron Induced by Organic Cation and Enhanced PLQY by Sb Doping.

In-based halide perovskites have attracted a lot of attention because of their unique broadband emission properties. Herein, a series of In-based hybrid perovskites of (HMP)InCl·HO (), (HEP)InCl·HO (), (HMP)InBr·HO (), and (HEP)InBr·HO () were synthesized under the control of halogen ions and organic cations. , , and exhibit obvious photoluminescence properties with peaks at 392, 442, and 652 nm, respectively.

Novel application of imidazole-based ligand-templated borates in a zinc-air battery.

Two templated borates, [Co(1-EI)]·[BO(OH)] (1) and [Ga(1-MI)·BO(OH)]·[HBO]·H[1-MI] (2), have been synthesized using a mild method. Notably, they exhibit an excellent ORR performance with an value of 0.84 V and are the first to be used as the positive electrode catalyst for a zinc-air battery, which opens a pathway for the application of borate-based oxide catalysts.

Co-doped hybrid Zn tetraborate complexes, [ZnCo(1,3-dap)BO] (1,3-dap = 1,3-diaminopropane): BET analysis and N/HO/DO adsorption studies.

A series of mono/bimetallic isostructural hybrid tetraborates of the general formula [ZnCo(1,3-dap)BO] has been prepared using a solvothermal method. Their adsorption/desorption curves for HO and DO demonstrate that these materials have a stronger affinity for HO than for DO and enrich the DO content of DO/HO mixtures.

Seeking environmentally friendly halide perovskite photocatalysts: synthesis, structure and photocatalytic performance exploration.

Halide perovskites have high photoelectric conversion efficiency, making them promising candidates for photocatalysis. However, their toxic and unstable nature limits their applications. Here, we successfully synthesised three hybrid Bi-based halide perovskites: (HTMG)BiBr (1), (HEI)BiBr (2) and (HTMA)BiBr (3).

Structural Regulation and Oxygen Reduction Reaction Activity of [Co(bpy)BO(OH)] and [Cu(bpy)(OH)] Complex Templated Borates.

Two templated borates, [Co(bpy)BO(OH)]·[BO(OH)]·HBO·HO·HO () and [Cu(bpy)(OH)]·[BO(OH)]·HO (), have been synthesized successfully and characterized by single-crystal X-ray diffraction, powder X-ray diffraction, and Fourier transform infrared. The [Co(bpy)BO(OH)] complex in shows a very rare coordination mode between Co and BO(OH). The structures of and can be adjusted by changing the reagent.

Exploration of the oxygen reduction reaction activity of four transition metal borates: synthesis, structure and characterization.

Four new transition metal borates, [Co(1-MI)]·BO(OH) (1, 1-MI = 1-methylimidazole), Co(PZ)(SO)·2HBO (2, PZ = pyrazole), K{(BO)Co[BO(OH)]}·HO (3) and K{[Ni(PY)]·[(CHO)B]} (4, PY = pyridine), have been successfully synthesized by a mild method. Their structures were determined by X-ray single crystal diffraction. These compounds were further characterized by FTIR, PXRD and UV-vis-NIR.

Research on the stability of luminescence of CsPbBr and Mn:CsPbBr PQDs in polar solution.

Mn:CsPbBr PQDs are achieved by hot injection method. As the amount of Mn doping is gradually increased, the photoluminescence (PL) spectra shows a slight blue shift. Mn-doped PQDs exhibit higher quantum efficiency of 83.

Structural Characterization and ORR Activity of a Copper Complex Borate and an Unexpected [Ni(atta)(SO)] Borate-Sulfate.

Two metal templated borates, [Ni(atta)(SO)]·[BO(OH)] () and [Cu(1-MI)]·[BO(OH)]·1-MI (), have been synthesized. The structures were determined by single-crystal X-ray diffraction and further characterized by Fourier transform infrared (FTIR), elemental analysis, and powder X-ray diffraction (PXRD). The structure of consists of [BO(OH)] clusters and [Ni(atta)(SO)] complexes, which shows a very rare Ni-O-S bond.

The crystal structure and oxygen reduction reaction of Ni(II)-complex templated borate-sulfate and borate.

Three nickel borate compounds, [Ni(1-MI)]·[B(OH)]·SO (1-MI = 1-methylimidazole) (1), [Ni(HO)(1-MI)]·[BO(OH)] (2) and [Ni(DMA3)]·[BO(OH)]·3.5HO (DMA3 = ,-dimethylethylenediamine) (3), have been synthesized. It is noteworthy that the structures of 1 and 2 can be adjusted by varying the ratio of amine.

Recent Advances in Crystalline Oxidopolyborate Complexes of -Block or -Block Metals: Structural Aspects, Syntheses, and Physical Properties.

Crystalline materials containing hybrid inorganic-organic metal borates (complexes with oxidoborate ligands) display a variety of novel framework building blocks. The structural aspects of these hybrid metallaoxidoborates containing Cd, Co, Cu, Ga, In, Mn, Ni or Zn metal centers are discussed in this review. The review describes synthetic approaches to these hybrid materials, their physical properties, their spectroscopic properties and their potential applications.

BO Triangle and B@ZnO Cationic Layer in the Structure of the Hybrid Zinc Acetate Borate [ZnAc]·[ZnBO].

A zinc acetate borate, [ZnAc]·[ZnBO] (), was synthesized under mild conditions; the B@ZnO layer of contains a 6-membered ring embedded with a rare BO unit. The layers are pillared by acetate ions to form a 3D framework. The pillared structure of supplies enough space as a nanoreactor, and the related application of CO-to-CO reduction has been confirmed.

Trinuclear CdO hexaborate and two nickel borates based on molten salt synthesis and precursor synthesis: structure, characterization, and properties.

In this work, different synthetic methods were used to prepare metal borates. One cadmium borate Cd3[B6O9(OH)2]2·2NO3·4H2O (1) and two nickel borate Ni0.8Mn0.

A Way for Derived Carbon Materials by Thermal Etching Hybrid Borate for Electrochemical CO Reduction.

Two hybridized skeleton borates [Zn(en)][BO(OH)] (; en = ethylenediamine) and [Cd(1,3-dap)][BO(OH)]HO (; 1,3-dap = 1,3-diaminopropane) were solvothermally synthesized. The boron oxide clusters formed 2D planes, and these planes formed a 3D structure through co-oxygen links of metal complexes. Herein, a novel strategy has been developed, i.

Regulating the Coordination Environment of MOF-Templated Single-Atom Nickel Electrocatalysts for Boosting CO Reduction.

The general synthesis and control of the coordination environment of single-atom catalysts (SACs) remains a great challenge. Herein, a general host-guest cooperative protection strategy has been developed to construct SACs by introducing polypyrrole (PPy) into a bimetallic metal-organic framework. As an example, the introduction of Mg in MgNi-MOF-74 extends the distance between adjacent Ni atoms; the PPy guests serve as N source to stabilize the isolated Ni atoms during pyrolysis.

Synthesis and electroluminescence of novel white fluorescence quantum dots based on a Zn-Ga-S host.

White-light-emitting Ag, Mn: Zn-Ga-S/ZnS quantum dots (QDs) with a gratifying photoluminescence (PL) quantum yield (QY) of up to 90% were prepared, and shown to be ultra-stable, maintaining a high PL intensity at 300 °C or for 32 h of UV illumination. These QDs were employed in a white QD-LED displaying a color rendering index (CRI) of 72 and maximum current efficiency of 0.22 cd A.

Formation Mechanism of a Polyanonic Framework from Layer to Chain Explored by Adjusting Time, Temperature, and pH: Preparation and Characterization of Metal-Complex-Templated 1D Borate and 2D Nickel Borate.

The first column of two-dimensional (2D)-layered metal-complex-templated nickel borate was obtained by using a solvothermal synthesis method. The 2D nickel borate [Ni(en)]·[NiBO(OH)]·Cl (1; en = ethylenediamine) contains [Ni(en)], Cl, and the first reported inorganic nickel borate layer [NiBO(OH)], which is formed by the interconnection of Ni and O atoms in the B-O cluster. By increasing the reaction temperature during the synthesis process of compound 1, the one-dimensional (1D) chain nickel borate [Ni(en)]·[BO(OH)]·Cl (2) was obtained, wherein the [BO(OH)] cluster was connected through an O atom to form a 1D chain structure.

Photoluminescent carbon dots based on a rare 3D inorganic-organic hybrid cadmium borate crystal.

A 3D inorganic-organic hybridized skeleton cadmium borate [Cden][B5O8(OH)] (1) (en = ethylenediamine) has been solvothermally synthesized. By calcining it, specific shape carbon dots (C-dots) with abundant free radicals were observed. In addition, C-dots in the ethanol phase exhibited variable photoluminescence and showed rare turn on or off effects to Cr3+ ions and CdSe/ZnS quantum dots, but only a turn on effect to Cs+ ions and a turn off effect to CsPbBr3 quantum dots.

Bright violet-to-aqua-emitting cadmium-free Ag-doped Zn-Ga-S quantum dots with high stability.

Herein, we report a new series of ultra-stable Cd-free Ag:Zn-Ga-S/ZnS quantum dots (QDs) with an overall short emission wavelength tunable from 370 to 540 nm via a facile one-pot non-injection method. The highest PL quantum yield of the resultant core/shell QDs could be up to 85%, and the exceptional luminescence could be maintained not only at 300 °C but also after phase transfer.

Temperature dependence of photoluminescence and hydrogen bonding revealed for the first time in a templated borate family: synthesis, structure and properties of a pentaborate [Emmim][BO(OH)].

Herein, a templated borate, [Emmim][BO(OH)] (denoted 1, Emmim = 1-ethyl-2,3-dimethylimidazolium), has been synthesized. It is unexpectedly observed that 1 exhibits a series of broadened luminescence curves from -183 to 75 °C, the emission intensities are measured as a decreasing function of temperature, and the line width of the PL emission is strongly enhanced when temperatures decrease below -100 °C. In addition to this, hydrogen bonding (H-B) in 1 with distinctly enlarging trends was observed as the temperature increased.

Photochromism, photoluminescence modulation and selective recognition of small molecules of two highly stable dynamic metal-organic frameworks.

Two highly stable dynamic metal-organic frameworks exhibit photochromism, tunable photoluminescence, and selective detection of oxygen, which can be recognised by the naked eye through color changes. Furthermore, they also display selective recognition of benzyl alcohol and halogenated solvents, respectively.

Unprecedented Li Exchange in an Anionic Metal-Organic Framework: Significantly Enhanced Gas Uptake Capacity.

We herein report the first example of Li exchanged with both the guest HN(Me) cations located in the channels and the coordinated metal ions from an anionic metal-organic framework (MOF), leading to significant enhancement of the pore volume and gas sorption abilities of the exchanged MOF. Furthermore, both MOFs before and after Li exchange show good selective adsorption for CO over CH.

Cotemplating synthesis of a rare borate Ni(en)3·Hen·[B9O13(OH)4]·H2O with a chiral polyanonic chain constructed from two different clusters.

Ni(en)3·Hen·[B9O13(OH)4]·H2O was prepared under the cotemplating effect of [Ni(en)3](2+) and Hen(+). It was the first example of a cotemplated borate with an unusual chiral polyanionic chain, which was constructed from [B5O8(OH)2] and [B4O7(OH)2] clusters.

Zn(1,3-DAP)[B4O7]: a rare chiral zeolitic framework constructed of four-connected [B4O9] clusters with a single-stranded helical channel.

A zinc borate Zn(1,3-DAP)[B4O7] (1) was prepared. 1 was revealed to be a rare chiral zeolitic framework based on a [B4O9] cluster. The combination of a [B4O9] cluster and Zn(1,3-DAP)O3 chain produced a helical ribbon motif and gave rise to a single-stranded helical channel.

A new conformer of indium germanate InGe3O7.5(en): conformational polymorphism in germanate family.

A new conformer of indium germanate InGe(3)O(7.5)(en) (denoted as δ-type), constructed with the flexible unit of In(2)Ge(6)O(15)N(2) was successfully prepared through a solvothermal method. The crystal data for the δ-type InGe(3)O(7.

The first ferroelectric templated borate: [Ni(en)2pip][B5O6(OH)4]2.

The title compound (GDUT-4) is the first templated borate compound shown to have ferroelectric properties. Its structure consists of a metal complex and isolated polyanion. The chiral structure of the compound was induced by guest-complex cations according to host-guest symmetry through hydrogen bonds (H-bonds).