The development of nonlinear optical (NLO) crystal materials with short ultraviolet cutoff edges is of great significance to laser applications and industrial development. Based on acentric AE-M-F (SrZrF (), CaZrF (), and CaHfF (), with AE = alkaline earth metal and M = Zr, Hf), a novel hydrated zirconium-based fluoride, KNaZrF(HO) (), was obtained through a cosubstitution strategy involving mixed alkali metal cations. KNaZrF(HO) crystallizes in the 2 space group and presents a unique three-dimensional {[ZrF(HO)]} anion framework composed of hydrogen-bonded {[ZrF(HO)]} chains.
View Article and Find Full Text PDFThe controlled engineering of ordered crystal structures has emerged as a powerful strategy for the development of functional materials with enhanced optical properties. Herein, three novel cadmium Ce(IV) fluoride hydrates─CdCeF(HO), CdCeF(HO), and CdCeF(HO)─have been obtained by simple hydrothermal methods. Birefringence calculations reveal a progressive increase in Δ values: 0.
View Article and Find Full Text PDFIt is of great significance to explore new nonlinear optical (NLO) materials for the development of modern laser testing technology. In this paper, two non-centrosymmetric organic-inorganic hybrid Pb-based bromides, (CHNS)PbBr and (CHNS)PbBr, were synthesized by a simple hydrothermal method. They crystallize in the 2 and 222 space groups, respectively.
View Article and Find Full Text PDFRed raspberries are associated with various health benefits, with pectic polysaccharides as their primary component and potential key contributor to these effects. This study aimed to evaluate the antioxidant and prebiotic potential of four red raspberry pectic polysaccharides (RP)-EN-RP (enzyme-assisted extraction), AC-RP (acid-assisted extraction), AL-RP (alkali-assisted extraction), and US-RP (ultrasound-assisted extraction)-and to elucidate the relationship between their structure and function. AC-RP and US-RP contained higher proportions of homogalacturonan (HG) at 50.
View Article and Find Full Text PDFRare-earth-based materials are pivotal in optical applications, particularly as nonlinear optical (NLO) materials, owing to their exceptional structural tunability and functional properties. In this study, a novel fluoride, AgCeF, was synthesized via a facile hydrothermal method combined with a cation substitution strategy, wherein Ag ions replaced NH ions in the parent compound NHCeF. To further tailor the crystal structure, Li ions were introduced, yielding a new noncentrosymmetric hydrated fluoride, LiAgCeF(HO).
View Article and Find Full Text PDFIn recent years, birefringent crystals have attracted much attention in the field of optical materials and play a significant role in laser technology and optical imaging. However, commercially available birefringent crystals are still relatively scarce and need improvement. Low-dimensional structures and well-oriented anisotropic units are conducive to obtaining excellent birefringent materials.
View Article and Find Full Text PDFNonlinear optical (NLO) crystals are critical for modern optical devices. In this study, two new hybrid metal halides, (CHN)CdCl () and (CHN)ZnCl (), were synthesized by a mild solution method. and crystallize in different chiral space groups of 422 and 222, respectively.
View Article and Find Full Text PDFThe utilization of nonlinear optical (NLO) crystals plays a crucial role in the contemporary laser industry, and the advancement of novel NLO-active units is essential for the exploration of NLO materials. Two novel organic-inorganic hybrid iodates, designated as (CNH)MoO(IO)·3HO () and (CNIH)MoO(IO)·4HO () were synthesized via mild hydrothermal methods, exhibiting band gaps of 3.75 and 3.
View Article and Find Full Text PDFSecondary metabolites are a group of invaluable phytochemicals in raspberries. Fermentation process leads to changes in the phytochemical composition of fruits. This study aimed to investigate the influence of Lacticaseibacillus paracasei subsp.
View Article and Find Full Text PDFEffective design and synthesis of second-order nonlinear optical (NLO) materials hold immense significance in driving modern science and technology advancements. In this study, we synthesized a new acentric mercury nitrate, (CHNS)Hg(NO), by regulating the coordination of the Hg atom through the introduction of a heteroatom. It exhibits an unprecedented [(CHNS)Hg(NO)] chain composed of Hg, NO, and organic molecule CHNS.
View Article and Find Full Text PDFNonlinear optical (NLO) crystals are widely used in various fields. The introduction of lone-pair cations is regarded as an effective strategy to explore NLO crystals. In this work, two novel lead phosphite halides, centrosymmetric Pb(HPO)(HPO)Cl and noncentrosymmetric Pb(HPO)Br(HO)·HO, were obtained via a hydrothermal method.
View Article and Find Full Text PDFThe development of short-wavelength nonlinear optical (NLO) materials is indispensable and urgently required for further applications. Halides have been disregarded as potential NLO materials with deep-ultraviolet (DUV) cutoff edges due to their weak second-harmonic generation (SHG) response and poor birefringence. Here, two novel and isostructural halides, KBaMFCl (M = Zr (KBZFC), Hf (KBHFC)), possess structures that are formed by isolated MF monocapped triangular prisms and dissociative K, Ba, and Cl ions.
View Article and Find Full Text PDFInvestigating novel nonlinear optical (NLO) active units serves as a valuable method for broadening the research landscape of NLO materials. This study showcases the potential of the cytosinium cation (CHNO) as a novel NLO-active motif through theoretical calculations. The title compound exhibited a wide band gap of 3.
View Article and Find Full Text PDFExploring ultraviolet (UV) nonlinear-optical (NLO) materials is significant for the conversion of a high-frequency laser. Two scandium phosphites, Sc(HPO)(HPO)(HO) and Sc(HPO), were successfully synthesized. Centric Sc(HPO)(HPO)(HO) exhibits a short UV cutoff edge (<200 nm) and a unique double-layer structure of [Sc(HPO)(HPO)(HO)].
View Article and Find Full Text PDFRosa roxburghii Tratt fruits (RRT) exhibit extremely high nutritional and medicinal properties due to its unique phytochemical composition. Probiotic fermentation is a common method of processing fruits. Variations in the non-volatile metabolites and bioactivities of RRT juice caused by different lactobacilli are not well understood.
View Article and Find Full Text PDFZirconium/hafnium fluorides have recently been recognized as potential nonlinear optical (NLO) materials with short ultraviolet (UV) cutoff edges, which is significant in laser science and industry. The synthesis of noncentrosymmetric (NCS) materials based on centrosymmetric (CS) compounds by an isovalent cation substitution-oriented design is an emerging strategy in the NLO territory. Here, two isostructural and novel fluorides, CaBaMF (M = Zr (), Hf ()), have been synthesized through the combination of alkaline earth metals, zirconium/hafnium, and fluorine elements.
View Article and Find Full Text PDFWe herein report an unprecedented organic-inorganic hybrid borate incorporating a novel nonlinear-optical (NLO) active unit, namely, [C(NH)][B(COH)]. The novel NLO active unit was derived from the condensation reaction between two glycol molecules and one (BO) group. The title compound exhibits a moderate second-harmonic-generation effect (0.
View Article and Find Full Text PDFTraditional fluorides are rarely reported as candidates for nonlinear optical (NLO) materials featuring a deep-ultraviolet cutoff edge. Theoretical investigations suggest that the ZrF dodecahedron shows large polarizability anisotropy and benefits for large birefringence. Herein, a new fluorine-rich fluoride, KBaZrF, was synthesized by coupling the ZrF group, featuring acentric -[ZrF] clusters with a 6-screw axis.
View Article and Find Full Text PDFThe key to searching novel nonlinear optical (NLO) crystals was effectively combining the NLO-active units to obtain a noncentrosymmetric structure. Nevertheless, the present predicament lies in the growing challenge of discovering novel crystals within conventional inorganic frameworks that surpass the properties of the current NLO materials. In view of this, researchers expanded their research focus to the organic-inorganic hybridization system; it is foreseeable to concentrate the advantages from several kinds of NLO-active units to acquire novel NLO crystals with superior properties.
View Article and Find Full Text PDFExploring nonlinear optical (NLO) materials with short ultraviolet cutoff edges are significant for developing an all-solid-state laser. Here, a noncentrosymmetric zinc fluoride hydrate, ZnF(HO), was synthesized by a hydrothermal method. It crystallizes in the polar space group of 2.
View Article and Find Full Text PDFLow-dimensional crystalline materials have attracted much attention due to their special physical and chemical properties. Herein, two new oxalate chlorides, C(NH)Cd(CO)Cl(HO)·HO and BaCd(CO)Cl(HO), were synthesized. C(NH)Cd(CO)Cl(HO)·HO presents the unique {[Cd(CO)Cl(HO)]} chain, while BaCd(CO)Cl(HO) shows a novel {[Cd(CO)Cl]} layer.
View Article and Find Full Text PDFPerovskite structure compounds are significant candidates for designing new optical function materials due to their structural variability. Here, an inorganic tetravalent cerium fluoride, NaCeF, is derived from the perovskite structure through double-site cation co-substitution. NaCeF crystalizes in the non-centrosymmetric space group .
View Article and Find Full Text PDFDiscovering new deep ultraviolet (DUV) nonlinear optical (NLO) materials is the current research hotspot. However, how to perfectly integrate several stringent performances into a crystal is a great challenge because of the natural incompatibility among them, particularly wide band gap and large NLO coefficient. To tackle the challenge, a boron-rich closed-loop strategy is supposed, based on which a new barium borate, BaBO, is designed and synthesized successfully via the high-temperature solid-state melting method.
View Article and Find Full Text PDF