D. V. Balatskiy, Yu. B. Budnikova, D. P. Popov, V. V. Korochentsev, D. H. Shlyk, O. D. Arefieva, M. S. Ponomareva
{"title":"Characteristics and Photocatalytic Properties of Ti/TiO2–SiO2–MxCuFe2 – xO4 (M = Gd, Ho, or Ce) Film Composites","authors":"D. V. Balatskiy, Yu. B. Budnikova, D. P. Popov, V. V. Korochentsev, D. H. Shlyk, O. D. Arefieva, M. S. Ponomareva","doi":"10.1134/S0036023626600723","DOIUrl":"10.1134/S0036023626600723","url":null,"abstract":"<p>Photocatalytic film composites Ti/TiO<sub>2</sub>–SiO<sub>2</sub>–M<sub><i>x</i></sub>CuFe<sub>2 –</sub> <sub><i>x</i></sub>O<sub>4</sub> (M = Gd, Ho, or Ce) were prepared by facile and environmentally friendly methods including plasma electrolytic oxidation (PEO) and sol–gel technology. The film composites were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), diffuse reflectance spectroscopy, impedance spectroscopy, and Mössbauer spectroscopy. Doping with rare-earth elements increased degradation degree of methyl orange (MO) under UV light compared to undoped sample. An MO degradation mechanism under UV light was proposed based on the optical and electrochemical measurements. The prepared materials were shown to have a potential for use in photocatalytic water purification from organic pollutants.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 5","pages":"568 - 576"},"PeriodicalIF":1.5,"publicationDate":"2026-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148268702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Modeling the Electromagnetic Properties of Silver Nanotubes with Helical Geometry","authors":"P. N. Dyachkov","doi":"10.1134/S003602362660036X","DOIUrl":"10.1134/S003602362660036X","url":null,"abstract":"<p>The electromagnetic properties of chiral silver nanotubes, which act as subminiature solenoids due to their helical geometry, are studied. The electronic structure of two rows of nanotubes (<span>({{n}_{1}})</span>, <span>({{n}_{2}})</span>), where <i>n</i><sub>1</sub> = 10 and 5, and 0 ≤ <span>({{n}_{2}})</span> ≤ <span>({{n}_{1}})</span>, is calculated using the cylindrical wave method. The band structures of all tubes are characterized by half-filled spin-dependent dispersion curves that intersect the Fermi level and determine the metallic type of the electronic structure of the compounds and the number of electron transport channels. Methods for using these nanotubes in electrical circuits are proposed. The formation of a constant magnetic field inside the nanotubes at a constant voltage is predicted. An alternating external magnetic field generates an EMF and oscillations of the electron current in the tubes. An alternating voltage applied to the tubes induces electromagnetic radiation. Nanotubes can be used in nanoelectronics as electromagnets and nanoantennas that receive and transmit in the X-ray range.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 5","pages":"640 - 649"},"PeriodicalIF":1.5,"publicationDate":"2026-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148268563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
E. I. Sal’nikova, I. V. Baklanova, N. A. Shulaev, A. S. Aleksandrovsky, M. V. Grigoriev, D. A. Garipov, O. V. Andreev
{"title":"Synthesis and Upconversion Luminescence of Gd2O3:Yb3+, Er3+, Tm3+ and Gd2O2S:Yb3+, Er3+, Tm3+ Compounds","authors":"E. I. Sal’nikova, I. V. Baklanova, N. A. Shulaev, A. S. Aleksandrovsky, M. V. Grigoriev, D. A. Garipov, O. V. Andreev","doi":"10.1134/S0036023626600760","DOIUrl":"10.1134/S0036023626600760","url":null,"abstract":"<p>The synthesis and upconversion properties of Gd<sub>2</sub>O<sub>3</sub>:Yb<sup>3+</sup>, Er<sup>3+</sup>, Tm<sup>3+</sup> oxide and Gd<sub>2</sub>O<sub>2</sub>S:Yb<sup>3+</sup>, Er<sup>3+</sup>, Tm<sup>3+</sup> oxysulfide are the subjects of study in this paper. The aim of the work is to develop a method for synthesizing phosphors by sulfiding (temperature 900°C, 4 h) Gd<sub>2</sub>O<sub>3</sub>:Yb<sup>3+</sup>, Er<sup>3+</sup>, Tm<sup>3+</sup> oxide obtained by the hydrothermal method with subsequent calcination at 900°C, with morphological certification of the particles, and to study the upconversion properties of the oxide and oxysulfide. The distribution of elements in the obtained samples was analyzed using the method of energy-dispersive X-ray spectroscopy. The chemical composition was confirmed by inductively coupled plasma atomic emission spectroscopy. The results of refinement of the crystal parameters of the oxysulfide using the Rietveld method are <i>P</i><span>(bar {3})</span><i>m</i>1, <i>a</i> = 3.8529(5) Å, <i>c</i> = 6.6659(1) Å, <i>V</i> = 86.15 Å<sup>3</sup>. The upconversion luminescence of the Gd<sub>2</sub>O<sub>3</sub>:Yb<sup>3+</sup>, Er<sup>3+</sup>, Tm<sup>3+</sup> oxide and the Gd<sub>2</sub>O<sub>2</sub>S:Yb<sup>3+</sup>, Er<sup>3+</sup>, Tm<sup>3+</sup> oxysulfide is caused by energy transfer from the ytterbium ions to the thulium and erbium ions and the subsequent radiative transitions <sup>1</sup>G<sub>4</sub> → <sup>3</sup>H<sub>6</sub>, <sup>3</sup>F<sub>2,3</sub> → <sup>3</sup>H<sub>6</sub>, <sup>3</sup>H<sub>4</sub> → <sup>3</sup>H<sub>6</sub> of the Tm<sup>3+</sup> ion and <sup>2</sup>H<sub>11/2</sub>/<sup>4</sup>S<sub>3/2</sub> → <sup>4</sup>I1<sub>5/2</sub>, <sup>4</sup>F<sub>9/2</sub> → <sup>4</sup>I<sub>15/2</sub> of the Er<sup>3+</sup> ion. A two-photon upconversion mechanism in the green, red, and near-IR spectral regions was identified based on the results of measuring the luminescence intensity of the oxide and oxysulfide. The color coordinates according to the CIE chromaticity diagram of Gd<sub>2</sub>O<sub>3</sub>:Yb<sup>3+</sup>, Er<sup>3+</sup>, Tm<sup>3+</sup> and Gd<sub>2</sub>O<sub>2</sub>S:Yb<sup>3+</sup>, Er<sup>3+</sup>, Tm<sup>3+</sup> correspond to orange and yellow-green emission, respectively. It is concluded in the paper that the synthesis ensures efficient upconversion and controlled emission, which is confirmed by spectra and morphology. Biological labeling and visualization are the fields of application of the results.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 5","pages":"586 - 598"},"PeriodicalIF":1.5,"publicationDate":"2026-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148268698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. E. Nikiforova, A. S. Kubasov, O. S. Erofeeva, L. V. Goeva, E. A. Malinina, N. T. Kuznetsov
{"title":"Chemical Stability of 2-[(E)-(1-Propylbenzimidazol-2-yl)Iminomethyl]Phenole in Silver(I) Complexation","authors":"S. E. Nikiforova, A. S. Kubasov, O. S. Erofeeva, L. V. Goeva, E. A. Malinina, N. T. Kuznetsov","doi":"10.1134/S0036023626600735","DOIUrl":"10.1134/S0036023626600735","url":null,"abstract":"<p>In this work, silver(I) complexation with the benzimidazole-containing imine Bz–N=CH–C<sub>6</sub>H<sub>5</sub>OH (where Bz is 1-propylbenzimidazole) with a linking –N=CH– group in the presence of competitive inorganic anions—nitrate anion, <i>closo</i>-decaborate [B<sub>10</sub>H<sub>10</sub>]<sup>2–</sup>, and <i>closo</i>-dodecaborate [B<sub>12</sub>H<sub>12</sub>]<sup>2–</sup> anions—has been studied for the first time. Chemical instability of this benzimidazole derivative has been observed during the studied reactions, accompanied by degradation at the linker bond –N=CH– with the formation of 1-propyl-2-aminobenzimidazole (Bz–NH<sub>2</sub>) as a result of hydrolysis. An approach to stabilizing the Bz–N=CH–C<sub>6</sub>H<sub>5</sub>OH structure has been proposed. Depending on the synthesis conditions, heteroleptic complexes [Ag<sub>2</sub>(Bz–N=CH–C<sub>6</sub>H<sub>5</sub>OH)<sub>4</sub>(μ-NO<sub>3</sub>)<sub>2</sub>] (<b>1</b>) and [Ag(Bz–NH<sub>2</sub>)<sub>2</sub>NO<sub>3</sub>] (<b>2</b>), as well as the first examples of polymeric benzimidazole-containing silver(I) complexes {Ag<sub>2</sub>(Bz–NH<sub>2</sub>)<sub>2</sub>[μ-B<sub><i>n</i></sub>H<sub><i>n</i></sub>]}<sub><i>m</i></sub> (<i>n</i> = 10 (<b>3</b>), 12 (<b>4</b>)) with coordinated boron cluster anions, have been obtained and characterized. A single crystal X-ray diffraction study has been performed for complexes <b>1</b> and <b>4</b>.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 5","pages":"608 - 617"},"PeriodicalIF":1.5,"publicationDate":"2026-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148268704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. S. Chuprin, A. V. Vologzhanina, P. V. Dorovatovskii, E. G. Lebed, Y. Z. Voloshin
{"title":"Synthetic Pathways Towards the Monodentate 3D-Shaped Clathrochelate Ligands: Preparation and XRD Characterization of the Monopyridyl-Containing Linear and Angular Macrobicyclic Iron(II) Tris-Nioximates","authors":"A. S. Chuprin, A. V. Vologzhanina, P. V. Dorovatovskii, E. G. Lebed, Y. Z. Voloshin","doi":"10.1134/S0036023626600875","DOIUrl":"10.1134/S0036023626600875","url":null,"abstract":"<p>The titled 4- and 3-monopyridyl-terminated cage complexes, as the promising N-donor structurally rigid <i>3D</i>-shaped ligands were prepared starting from the bis(triethylantimony(V))-capped iron(II)-centered macrobicyclic precursor, is known to easily undergo the stepwise mono- or di-centered capping group exchange (transmetallation) reaction(s) in the presence of silica gel as their heterogeneous catalyst. Its reaction in a low-temperature range with 3-pyridylboron acid gave the mixed antimony,boron-capped 3-pyridine-terminated iron(II) <i>tris</i>-nioximate possessing an angular geometry of its <i>N</i>-donor fragment. Transmetallation reaction of its triethylantimony,<i>n</i>-butylboron-capped macrobicyclic analog with 4-pyridylboronic acid afforded the monopyridyl-terminated linear diboron-capped iron(II) clathrochelate with non-equivalent cross-linking groups. The prepared monopyridyl-terminated iron(II) cage complexes were characterized using elemental analysis, MALDI-TOF mass, <sup>1</sup>H and <sup>13</sup>C{<sup>1</sup>H} NMR, and UV-vis spectra, and by the single-crystal XRD experiments.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 5","pages":"618 - 627"},"PeriodicalIF":1.5,"publicationDate":"2026-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148268562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. V. Marikutsa, Sh. Sh. Murodova, A. M. Alekseeva, V. B. Platonov, A. A. Mikhaylov
{"title":"Enhanced Ammonia Sorption by Copper and Zinc Molybdates with Triclinic Structure","authors":"A. V. Marikutsa, Sh. Sh. Murodova, A. M. Alekseeva, V. B. Platonov, A. A. Mikhaylov","doi":"10.1134/S0036023626600668","DOIUrl":"10.1134/S0036023626600668","url":null,"abstract":"<p>Ammonia gas sorption by nanocrystalline cobalt, nickel, copper, and zinc molybdates with various polymorphic modifications has been studied. The samples of monoclinic cobalt, nickel, and zinc molybdates were obtained by citrate and hydrothermal synthesis methods, while triclinic copper and zinc molybdates were obtained by coprecipitation and ultrasonic synthesis. Using X-ray diffraction, low-temperature nitrogen adsorption, and scanning electron microscopy, it was established that the samples possess close microstructure parameters. Temperature-programmed desorption revealed that NH<sub>3</sub> desorption from the monoclinic phases of CoMoO<sub>4</sub>, NiMoO<sub>4</sub>, and β-ZnMoO<sub>4</sub> proceeds at temperatures of 70–600°C and corresponds to fractions of the monolayer of adsorbed ammonia on surface acid sites. Triclinic modifications of α-ZnMoO<sub>4</sub> and α-CuMoO<sub>4</sub> sorb higher amounts of ammonia (0.3–0.5 mol NH<sub>3</sub> per mol of oxide) and desorb it on heating to 260°C. X-ray diffraction analysis and infrared spectroscopy revealed that ammonia molecules in the adducts are bound to copper(II) and zinc cations. It has been concluded that the crystal structure of molybdates plays a key role in ammonia adsorption. The results can be used in the development of sorbents, sensors, catalysts, and photocatalysts.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 5","pages":"549 - 558"},"PeriodicalIF":1.5,"publicationDate":"2026-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148268700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mixed-Ligand Complex Formation of Nickel(II) and Zinc Cations with Polar Amino Acids in Aqueous Solution","authors":"Y. E. Karaseva, D. F. Pyreu","doi":"10.1134/S003602362660070X","DOIUrl":"10.1134/S003602362660070X","url":null,"abstract":"<p>Computer processing of pH-metric titration data revealed the formation of mixed-ligand complexes of various compositions in M(II)–L-arginine (Arg)–L ternary systems (M = Ni, Zn; L = L-aspartic acid (Asp), L-glutamic acid (Glu)). The stability constants of the complexes were calculated for <i>T</i> = 298.15 K and <i>I</i> = 0.5 (KNO<sub>3</sub>). Comparative analysis of the stability constants was used to elucidate the ligand denticity and the most probable coordination modes of the amino acid residues in the mixed-ligand complexes.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 5","pages":"599 - 607"},"PeriodicalIF":1.5,"publicationDate":"2026-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148268703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. E. Gerusova, V. V. Avdeeva, E. Yu. Matveev, A. S. Kubasov, N. T. Kuznetsov
{"title":"Heterogeneous Oxidation of the [B10H10]2– Anion by Iron(III) Sulfate: Iron(II) Complexes with 2,2'-Bipyridyl and 1,10-Phenanthroline and Macropolyhedral Borane Cluster [B20H18]2– as a Counterion","authors":"A. E. Gerusova, V. V. Avdeeva, E. Yu. Matveev, A. S. Kubasov, N. T. Kuznetsov","doi":"10.1134/S0036023626600929","DOIUrl":"10.1134/S0036023626600929","url":null,"abstract":"<p>In this work, an efficient method for the synthesis of iron(II) complex compounds with the octadecahydro-eicosaborate anion [B<sub>20</sub>H<sub>18</sub>]<sup>2–</sup> was developed. The method is based on the heterogeneous two-electron oxidation of the parent <i>closo</i>-decaborate anion [B<sub>10</sub>H<sub>10</sub>]<sup>2–</sup> in acetonitrile using iron(III) sulfate, which is insoluble in the solvent used. The heterogeneous reaction leads to dimerization of the parent anion with the formation of an intermediate compound of probable composition [Fe(CH<sub>3</sub>CN)<sub>6</sub>][B<sub>20</sub>H<sub>18</sub>], which can subsequently undergo complexation reactions. An advantage of the heterogeneous synthesis is the ease of removal of the unreacted oxidant and the by-products formed from the system, while the target product remains in solution and can be used for subsequent complexation. Addition of ligands L (L = bipy, phen) to the reaction mixture yielded iron(II) complexes [FeL<sub>3</sub>][B<sub>20</sub>H<sub>18</sub>], which were characterized by elemental analysis, <sup>11</sup>B NMR and IR spectroscopies. The structure of complex [Fe(phen)<sub>3</sub>][B<sub>20</sub>H<sub>18</sub>]·4MeCN was determined by X-ray diffraction.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 7","pages":"944 - 951"},"PeriodicalIF":1.5,"publicationDate":"2026-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148859765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Research on Doping Modification of Mn2O3 Cathode Materials for Aqueous Zinc-Ion Batteries","authors":"Chenhao Zhao, Zhenhui Tian, Shenglin Zhong, Jiangcong Zhou","doi":"10.1134/S0036023626600747","DOIUrl":"10.1134/S0036023626600747","url":null,"abstract":"<p>Aqueous zinc-ion batteries (AZIBs) show great promise for large-scale energy storage due to their high safety, low cost, and environmental friendliness. However, their cathode materials, especially manganese-based oxides, still face challenges such as inadequate cycling stability and rate capability. In this study, pristine and iron-, cobalt-, nickel-doped Mn<sub>2</sub>O<sub>3</sub> materials were synthesized via a Mn-organic framework (MOF) template method. The effects of different doping elements and their concentrations on structure, morphology, and electrochemical performance were systematically investigated. The results indicate that nickel (Ni) doping at a 5% level exhibits the optimal modification effect. It delivers a discharge specific capacity of 201.7 mA h g<sup>–1</sup> at a current density of 0.1 A g<sup>–1</sup> after 100 cycles and retains a reversible capacity of 61.3 mA h g g<sup>–1</sup> after 500 cycles at 0.5 A g<sup>–1</sup>. Its cycling stability and rate performance are significantly superior to those of others. In-depth analysis reveals that the introduction of Ni<sup>2+</sup> promotes the oxidation of some Mn<sup>3+</sup> to Mn<sup>4+</sup>, helping to maintain charge balance and suppress manganese dissolution. Simultaneously, Ni doping effectively reduces the charge transfer resistance of the electrode and increases the bulk diffusion coefficient of Zn<sup>2+</sup>. Considering both performance and cost, a 5% Ni doping level represents an effective modification strategy for Mn<sub>2</sub>O<sub>3</sub> cathode materials.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 7","pages":"1029 - 1040"},"PeriodicalIF":1.5,"publicationDate":"2026-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148859873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sirisha Bandi, T. Mohan Kumar, P. Reddy Prasad, P. Sakuntala, Ashok Kumar Kusuma, Srinu Bhoomandla, Baddi Sai Anoop Reddy
{"title":"Multifunctional Ho3+-Doped GdPO4 Nanophosphors with Enhanced Optical, Photocatalytic, and Dielectric Properties","authors":"Sirisha Bandi, T. Mohan Kumar, P. Reddy Prasad, P. Sakuntala, Ashok Kumar Kusuma, Srinu Bhoomandla, Baddi Sai Anoop Reddy","doi":"10.1134/S0036023626600334","DOIUrl":"10.1134/S0036023626600334","url":null,"abstract":"<p>In the present work, we synthesized Ho<sup>3+</sup>-doped GdPO<sub>4</sub> phosphors via a solid-state approach, produced as fine powders with important multifunctional properties. At 980 nm excitation, the samples show strong green up-conversion emission near 550 nm with the <sup>5</sup>F<sub>4</sub>/<sup>5</sup>S<sub>2</sub> → <sup>5</sup>I<sub>8</sub> transitions of Ho<sup>3+</sup> ions. UV excitation (280–300 nm) generated distinct blue-green (~460 nm) and green (~550 nm) emissions, brilliant efficient absorption, and energy transfer in the GdPO<sub>4</sub> lattice observed. The phosphors exhibited excellent photocatalytic efficiency, degrading ~90% of phenolphthalein in 150 min under UV-visible light, Ho<sup>3+</sup>-induced trap states boost charge separation, with optimal performance at pH 1 and 1.0 mol % Ho<sup>3+</sup>. GdPO<sub>4</sub>:Ho<sup>3+</sup> phosphors shown strong luminescence along with notable photocatalytic and dielectric properties for multifunctional applications.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"71 7","pages":"1007 - 1018"},"PeriodicalIF":1.5,"publicationDate":"2026-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148859766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}