{"title":"Synthesis, structure, and magnetic properties of a new vanadium tellurite AgV2TeO7","authors":"Tianyu Zhu , Donger Cheng , Wenbin Wei , Fuxi Zhou , Pengfei Zhou , Guang Wang , Junrong Zhang , Xiao Wang , Erxi Feng","doi":"10.1016/j.jssc.2026.125834","DOIUrl":"10.1016/j.jssc.2026.125834","url":null,"abstract":"<div><div>Spin-1/2 dimerized quantum magnets offer an ideal platform for exploring novel quantum states and phase transitions, hosting singlet-triplet excitations as elementary magnetic excitations. In this work, we report the hydrothermal synthesis of a V<sup>4+</sup>-based dimer compound, AgV<sub>2</sub>TeO<sub>7</sub>. Its crystal structure features dimers composed of edge-sharing VO<sub>6</sub> octahedra, which are effectively isolated by non-magnetic [VTeO<sub>7</sub>] chains. Magnetic measurements show that this compound exhibits short-range magnetic order below ∼55 K, with no magnetic long-range order down to 2 K, and the intrinsic susceptibility approaches zero at low temperature, a signature of the spin dimer state with gap around 78 K.</div></div>","PeriodicalId":378,"journal":{"name":"Journal of Solid State Chemistry","volume":"356 ","pages":"Article 125834"},"PeriodicalIF":3.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146035035","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":"Structures of ternary rare-earth germanides α-CeIrGe2, β-CeIrGe2, Yb4Ir7Ge6, and Yb5Ir4Ge10","authors":"Dundappa Mumbaraddi , Arthur Mar","doi":"10.1016/j.jssc.2026.125837","DOIUrl":"10.1016/j.jssc.2026.125837","url":null,"abstract":"<div><div>Crystal growth of ternary rare-earth iridium germanides <em>RE</em>–Ir–Ge (<em>RE</em> = Ce, Yb) was investigated in indium flux. These experiments resulted in the formation of two polymorphs of CeIrGe<sub>2</sub>, termed <em>α</em> and <em>β</em>, as well as Yb<sub>4</sub>Ir<sub>7</sub>Ge<sub>6</sub> and Yb<sub>5</sub>Ir<sub>4</sub>Ge<sub>10</sub>. Single-crystal X-ray diffraction analysis revealed that <em>α</em>-CeIrGe<sub>2</sub> adopts the CeNiSi<sub>2</sub>-type structure (orthorhombic, <em>Cmcm</em>, <em>a</em> = 4.3312(16) Å, <em>b</em> = 17.101(6) Å, <em>c</em> = 4.3803(16) Å, <em>Z</em> = 4) containing zigzag chains of Ge atoms, whereas <em>β</em>-CeIrGe<sub>2</sub> adopts the YIrGe<sub>2</sub>-type structure (orthorhombic, <em>Immm</em>, <em>a</em> = 4.3842(7) Å, <em>b</em> = 8.8960(14) Å, <em>c</em> = 16.258(3) Å, <em>Z</em> = 8) containing dumbbells of Ge atoms. The structure of Yb<sub>4</sub>Ir<sub>7</sub>Ge<sub>6</sub> was determined at 296 and 193 K, and confirmed to be the U<sub>4</sub>Re<sub>7</sub>Si<sub>6</sub>-type. Yb<sub>5</sub>Ir<sub>4</sub>Ge<sub>10</sub> adopts the Sc<sub>5</sub>Co<sub>4</sub>Si<sub>10</sub>-type structure (tetragonal, <em>P</em>4/<em>mbm</em>, <em>a</em> = 12.8799(6) Å, <em>c</em> = 4.2797(2) Å, <em>Z</em> = 2) containing squares and dumbbells of Ge atoms; the structure contracts anisotropically, faster along <em>a</em> than <em>c</em>, upon cooling to 100 K.</div></div>","PeriodicalId":378,"journal":{"name":"Journal of Solid State Chemistry","volume":"356 ","pages":"Article 125837"},"PeriodicalIF":3.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146035075","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}
Beiping Wang , Hui Tian , Shunyan Xiang , Jinfu Ma , Tong Xue , Zhongli Zou , Chunping Hou
{"title":"MOF-derived hierarchical Fe3O4@C cubes for enhanced lithium storage in lithium-ion batteries","authors":"Beiping Wang , Hui Tian , Shunyan Xiang , Jinfu Ma , Tong Xue , Zhongli Zou , Chunping Hou","doi":"10.1016/j.jssc.2026.125832","DOIUrl":"10.1016/j.jssc.2026.125832","url":null,"abstract":"<div><div>Rational design of the microstructure and morphology between Fe<sub>3</sub>O<sub>4</sub> and carbon materials can significantly enhance the electrochemical lithium storage performance of composites for lithium-ion batteries (LIBs), enabling excellent rate capability and cycling stability. In this work, Fe<sub>3</sub>O<sub>4</sub>@N-doped carbon (Fe<sub>3</sub>O<sub>4</sub>@C) composites were synthesized via carbonization of Fe<sub>2</sub>O<sub>3</sub>@Fe-MOF precursors, in which Fe<sub>3</sub>O<sub>4</sub> submicron cubes are encapsulated by a three-dimensionally networked N-doped amorphous carbon layer to form a hierarchical meso–macroporous architecture. This unique structure effectively buffers the large volume variations during lithiation/delithiation, provides abundant lithium storage active sites, and facilitates fast ion/electron transport. Benefiting from these structural advantages, the Fe<sub>3</sub>O<sub>4</sub>@C electrode exhibits outstanding electrochemical performance, including a high initial delithiation capacity of 1368.9 mAh/g at 0.1 A/g with a coulombic efficiency of 76.9 %, remarkable rate capability of 570 mAh/g at 5 A/g, and excellent long-term durability with 400 mAh/g retained after 350 cycles at 2 A/g. This study demonstrates a feasible and effective strategy for constructing MOF-derived Fe<sub>3</sub>O<sub>4</sub>/carbon cubic composites, providing valuable guidance for the development of high-energy-density anode materials for next-generation LIBs.</div></div>","PeriodicalId":378,"journal":{"name":"Journal of Solid State Chemistry","volume":"356 ","pages":"Article 125832"},"PeriodicalIF":3.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145974206","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":"Three d10-MOFs with 5-Aminoisophthalic acid for efficient detection of biomarker 3-nitrotyrosine in serum sample","authors":"Yi-Xuan Shi, Qing-Yun Yang, Hui-Cong Kong, Kun Zhang, Rui-Yuan Liu, Jing Ru","doi":"10.1016/j.jssc.2026.125819","DOIUrl":"10.1016/j.jssc.2026.125819","url":null,"abstract":"<div><div>3-nitrotyrosine (3-NT) is widely regarded as a biomarker of oxidative stress damage in the human body, and its detection carries great significance for clinical diagnosis and routine disease monitoring. In this work, the solvothermal method was employed to synthesize three d<sup>10</sup>-MOFs, named [Cd(AIPA) (BIBP)]<sub>n</sub> (<strong>AIPA-1</strong>), [Cd<sub>2</sub>(AIPA)<sub>2</sub> (BIBT)<sub>2</sub>]<sub>n</sub> (<strong>AIPA-2</strong>) and [Zn(AIPA) (BPB)<sub>1/2</sub>]<sub>n</sub> (<strong>AIPA-3</strong>) (AIPA = 5-Aminoisophthalic acid, BIBP = 4,4′-bi(1H-imidazole-1-yl)-1,1′-biphenyl, BPB = 1,4-bis(pyrid-4-yl)-benzene and BIBT = 4,7-bi(1H-imidazole-1-yl)benzo-[2,1,3] thiadiazole). Structural analysis indicated that <strong>AIPA-1-3</strong> all belonged to the monoclinic crystal system, with <strong>AIPA-1</strong> in <em>P</em>2<sub>1</sub>/<em>c</em>, <strong>AIPA-2</strong> in C2, and <strong>AIPA-3</strong> in <em>C</em>2/<em>c</em>, respectively. In contrast to the three-dimensional (3D) structure of <strong>AIPA-1-2</strong>, the 3D architecture of <strong>AIPA-3</strong> was mediated by hydrogen bonds (N2–H⋯O3) between its two-dimensional (2D) layers. Additionally, <strong>AIPA-1-3</strong> demonstrated reliable chemical and thermal stability. It was noteworthy that <strong>AIPA-1-3</strong> showed rapidly and highly selective quenching sensing of the 3-NT, with the limit of detection (LOD) of 0.16 μM, 0.20 μM, and 0.13 μM, respectively. Actual sample experiments revealed that <strong>AIPA-1-3</strong> possessed potential practical applicability in serum samples, and exhibited good recovery. Furthermore, the sensing mechanism has also been investigated in detail.</div></div>","PeriodicalId":378,"journal":{"name":"Journal of Solid State Chemistry","volume":"356 ","pages":"Article 125819"},"PeriodicalIF":3.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145974204","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":"Novel green synthesis and transformation mechanism of layered double hydroxides from metal hydroxides and light magnesium carbonate","authors":"Yixuan Guo , Qian Zhang , He Zhou , Christine Taviot-Guého , Fabrice Leroux , Yongjun Feng","doi":"10.1016/j.jssc.2026.125843","DOIUrl":"10.1016/j.jssc.2026.125843","url":null,"abstract":"<div><div>Green synthesis methods for layered double hydroxides (LDHs) without by-product and water washing has become an important lever in a sustainable development perspective associated to large scale-up for market demand while requiring to revisit the synthesis of LDHs intercalation compounds. Here, MgAl–CO<sub>3</sub>-LDH with a purity as high as 98.6 % was successfully synthesized via a novel green route using Mg(OH)<sub>2</sub>, Al(OH)<sub>3</sub> and light magnesium carbonate (LMC) as starting materials. The corresponding transformation process was carefully investigated between 170 and 190 °C, and a mechanism was tentatively proposed based on various characterization techniques such as powder X-ray diffractometer (PXRD), X-ray photoelectron spectrometry (XPS), and solid state <sup>27</sup>Al nuclear magnetic resonances (NMR). The activation energy for the reaction is calculated as 45.59 kJ mol<sup>−1</sup> adopting the Avrami–Erofe'ev equation using Arrhenius formalism. Moreover, the formation process of LDH is found to be divided into four steps: (1) the dissolution of Mg(OH)<sub>2</sub>; (2) the deposition of Mg<sup>2+</sup> and OH<sup>−</sup> onto Al(OH)<sub>3</sub> with the bilateral diffusion of Mg<sup>2+</sup> and Al<sup>3+</sup> in the solid lattice; (3) the self-assembly of Mg(OH)<sub>6</sub> and Al(OH)<sub>6</sub> Oh building unit blocks to produce MgAl-LDH nuclei, (4) and finally the growth of the LDH nuclei. During the transformation process, one of the key parameters is the temperature since the kinetics of nuclei formation were found to be highly temperature dependent. Undoubtedly, this novel green route associating environment-friendly considerations and low-cost way should promote the mass production of LDHs intercalation compounds.</div></div>","PeriodicalId":378,"journal":{"name":"Journal of Solid State Chemistry","volume":"356 ","pages":"Article 125843"},"PeriodicalIF":3.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146035074","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":"Correlation between local structure and photoluminescence of Ag ions in luminescent zeolites: An XAFS study","authors":"Haruki Meguro , Junya Narumi , Yushi Suzuki , Takafumi Miyanaga","doi":"10.1016/j.jssc.2026.125836","DOIUrl":"10.1016/j.jssc.2026.125836","url":null,"abstract":"<div><div>Local structural changes in Ag-A and Ag–Y zeolites induced by vacuum evacuation and heating were investigated using X-ray absorption fine structure (XAFS). During the evacuation process of Ag-A zeolite, two primary photoluminescence (PL) peaks at 660 nm and 520 nm were observed. The former increased in intensity over the evacuating time, while the latter decreased. Operando XAFS measurements confirmed that the formation of Ag<sub>4</sub> clusters during evacuation is responsible for the 660 nm PL. In contrast, the heated Ag–Y zeolite sample, which contains only a small amount of Ag ions and no Ag clusters in its cavities, exhibited PL solely at approximately 500 nm. XAFS analysis revealed a unique local structure around Ag in the heated Ag–Y zeolite. This coordination environment resembles that found in luminescent silver complexes involving ligand-to-metal charge transfer (LMCT), suggesting that the 520 nm luminescence in Ag-A zeolite also originates from LMCT.</div></div>","PeriodicalId":378,"journal":{"name":"Journal of Solid State Chemistry","volume":"356 ","pages":"Article 125836"},"PeriodicalIF":3.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146035076","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}
Ziyue Xia, Jun Guo, Honghong Dou, Guoqiang Chen, Kui An, Yulu Peng
{"title":"Amino-functionalized silica covalently anchored monovacant phosphomolybdic acid catalytic oxidation of iodide ions","authors":"Ziyue Xia, Jun Guo, Honghong Dou, Guoqiang Chen, Kui An, Yulu Peng","doi":"10.1016/j.jssc.2026.125820","DOIUrl":"10.1016/j.jssc.2026.125820","url":null,"abstract":"<div><div>A novel heterogeneous catalyst, PMo<sub>11</sub>/NH<sub>2</sub>–SiO<sub>2</sub>, was synthesized by using (triethoxysilyl)-propyl isocyanate as an organic linker. Polyoxometalate [PMo<sub>11</sub>O<sub>39</sub>]<sup>7-</sup> (PMo<sub>11</sub>) was covalently immobilized on the surface of amino-functionalized silica (NH<sub>2</sub>–SiO<sub>2</sub>) via urea bond (–NH–C(=O)–NH-). The catalyst was characterized by FT-IR, <sup>29</sup>Si MAS NMR, and XPS, which confirmed the formation of a stable covalent interface between the PMo<sub>11</sub> clusters and the silica support. The catalytic performance was evaluated in the hydrogen peroxide-mediated oxidation of iodide ions under optimized conditions (<em>c</em>(I<sup>−</sup>) = 2.5 × 10<sup>−3</sup> M, <em>c</em>(H<sub>2</sub>O<sub>2</sub>) = 2.0 × 10<sup>−3</sup> M, pH = 2.0, <em>T</em> = 55 °C). The reaction reached completion within 68 s, achieving an iodine generation rate of 1.83 × 10<sup>−5</sup> mol L<sup>−1</sup> s<sup>−1</sup>. Furthermore, the catalyst maintained exceptional stability, retaining 99.67 % of its initial activity after 28 consecutive reaction cycles.</div></div>","PeriodicalId":378,"journal":{"name":"Journal of Solid State Chemistry","volume":"356 ","pages":"Article 125820"},"PeriodicalIF":3.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145940138","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}
Shiji Elizabeth , Jagadeesh Mohanan , Subodh Ganesanpotti , Bindu P. Nair
{"title":"Amino- and vinyl-functionalized hollow silica spheres via self-assembly of organosilanes","authors":"Shiji Elizabeth , Jagadeesh Mohanan , Subodh Ganesanpotti , Bindu P. Nair","doi":"10.1016/j.jssc.2026.125806","DOIUrl":"10.1016/j.jssc.2026.125806","url":null,"abstract":"<div><div>Herein, we report a template free synthesis of amino and vinyl functionalized hollow silica spheres (HSS) in green solvents through self-assembly. Amino- and vinyl-functionalized HSS were synthesized via a hydrolytic co-condensation of 3-aminopropyltriethoxysilane and vinyltriethoxysilane in alcohol-water mixture, followed by a self-assembly induced phase separation using water. HSS had an average diameter of 918 nm, as confirmed by SEM. TEM and fluorescence microscopy further verified the hollow structure of the spheres. XRD indicated its amorphous nature, while FT-IR confirmed functionalization. HSS exhibited high stability in PBS at pH 7.4 for up to 28 days. Rhodamine B encapsulated in HSS demonstrated a sustained, diffusion-limited release behavior in PBS, with a cumulative release of only 27.6 % over 28 days. Polyvinylidene fluoride (PVDF) composites incorporating HSS exhibited a reduced relative permittivity due to hollow structure of HSS. At a loading of 0.32 vol fraction of HSS, the relative permittivity of the composite measured 2.5 at 100 MHz, compared to 3.2 for pure PVDF. Additionally, HSS were employed as templates for synthesizing iron oxide-incorporated silica composites via an in situ incorporation method. The resulting Fe<sub>3</sub>O<sub>4</sub>–silica composites displayed superparamagnetic behavior, attributed to the uniform nanoscale dispersion of Fe<sub>3</sub>O<sub>4</sub> within the HSS.</div></div>","PeriodicalId":378,"journal":{"name":"Journal of Solid State Chemistry","volume":"356 ","pages":"Article 125806"},"PeriodicalIF":3.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145940141","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":"Enabling room-temperature phosphorescence via solvent-mediated crystal packing in 1,8-naphthalimide hybrid perovskites","authors":"Dawoon Kim, Jae Ho Lee, In-Chul Hwang, In Chung","doi":"10.1016/j.jssc.2026.125828","DOIUrl":"10.1016/j.jssc.2026.125828","url":null,"abstract":"<div><div>We report two new organic-inorganic hybrid perovskite compounds consisting of the one-dimensional (1-D), face-sharing inorganic chain of [PbI<sub>3</sub>]<sub>∞</sub><sup>-</sup> and charge-compensating ethylammonium-substituted 1,8-naphthalimide (NIEA<sup>+</sup>) cation. The different solvents, polar protic aqueous hydrogen iodide and aprotic <em>N,N</em>-dimethylformamide (DMF), give distinct products of (NIEA)PbI<sub>3</sub> (<strong>1</strong>) and (NIEA)PbI<sub>3</sub>∙DMF (<strong>2</strong>), respectively, crystallizing in the monoclinic space group <em>P</em>2<sub>1</sub>/<em>c</em>. They determine the packing fashion of the organic units in the structure. In <strong>1</strong>, the direct π–π interaction dominantly stacks the NIEA<sup>+</sup> cations along the <em>c</em>-axis. The ammonium groups bond directly to the perovskite inorganic chains to construct the overall structure. In contrast, in <strong>2</strong>, the co-crystallized interchain DMF molecules from solvent interrupt such a stacking, giving a distinct structure from <strong>1</strong>. They mediate a hydrogen bonding network linking the organic units and [PbI<sub>3</sub>]<sub>∞</sub><sup>-</sup> inorganic chains. Hirshfeld surface analysis shows that these specific short contacts stabilize the respective structures. The resulting difference in interchain structures causes a substantially increased electronic band gap of 2.83 eV of <strong>2</strong> in comparison with 2.32 eV of <strong>1</strong>. Remarkably, only <strong>2</strong> exhibits bright ambient-temperature phosphorescence, originating from the triplet state of the π-conjugated NIEA<sup>+</sup> cation.</div></div>","PeriodicalId":378,"journal":{"name":"Journal of Solid State Chemistry","volume":"356 ","pages":"Article 125828"},"PeriodicalIF":3.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146035096","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}
Swarada G. More , Almas M. Mujawar , Pankaj K. Bhujbal , Sandesh R. Jadkar , Habib M. Pathan , Sanjay R. Gadakh
{"title":"Glycerol as a green solvent for synthesis of AgBiS2 nanoparticles: Application as dye-sensitized solar cells","authors":"Swarada G. More , Almas M. Mujawar , Pankaj K. Bhujbal , Sandesh R. Jadkar , Habib M. Pathan , Sanjay R. Gadakh","doi":"10.1016/j.jssc.2025.125769","DOIUrl":"10.1016/j.jssc.2025.125769","url":null,"abstract":"<div><div>It is highly demanding to obtain nano-sized particles at room temperature using a green synthesis protocol. Considering the green approach, for the first time, we have synthesized silver bismuth sulfide nanoparticles (AgBiS<sub>2</sub> NPs) using glycerol as a solvent at room temperature. This protocol uses greener solvent and eliminates the requirement of elevated temperature to produce pure cubic phase AgBiS<sub>2</sub> nanoparticles with a size in the range of 20–90 nm. The synthesized AgBiS<sub>2</sub> nanoparticles are characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, high-resolution transmission electron microscopy (HRTEM), and scanning electron microscopy (SEM) techniques. The band gap of AgBiS<sub>2</sub> NPs is calculated by ultraviolet (UV) spectroscopy, and it is found to be around 1.2 eV, which confirms its potential to be used as an absorber layer in a solar cell. Then, AgBiS<sub>2</sub> NPs film of different thicknesses was prepared by the spin coating method and used in Dye-sensitized solar cell (DSSC). The film with five layers of spin coating shows the best optimized performance with fill factor (FF) 36.99 %, open circuit voltage (V<sub>oc</sub>) 0.535 V, short-circuit current density (J<sub>sc</sub>) 4.96 mA/cm<sup>2</sup> and efficiency (η) 0.98 %.</div></div>","PeriodicalId":378,"journal":{"name":"Journal of Solid State Chemistry","volume":"355 ","pages":"Article 125769"},"PeriodicalIF":3.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145734360","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}