The new layered perovskite [(CH₂)₁₂(NH₃)₂]CdCl₄ material exhibits a second order phase transition at T _1p = 376.8 K (ΔS ₁ ≃ 12.5 J K⁻¹ mol⁻¹) of the order–disorder type. The dielectric permittivity has been studied in the temperature range 300–400 K and frequency range 0.1–100 kHz, on heating and cooling. The ac conductivity is thermally activated with different activation energies in the range of ionic conduction. The variation of ac conductivity with frequency follows the power law: Proton hopping and localised reorientational motion, ionic hopping of chlorine vacancies and large polarons are possible conduction mechanisms in the different temperature ranges. Comparison with other isomorphous transition metal perovskites is discussed.

Infections originating from pathogenic microorganisms can significantly impede the natural wound-healing process. To address this obstacle, innovative bio-active nanomaterials have been developed to enhance antibacterial capabilities. This study focuses on the preparation of nanocomposites from thermally reduced graphene oxide and zinc oxide (TRGO/ZnO). The hydrothermal method was employed to synthesize these nanocomposites, and their physicochemical properties were comprehensively characterized using X-ray diffraction analysis (XRD), High-resolution transmission electron microscopy (HR-TEM), Fourier-transform infrared (FT-IR), Raman spectroscopy, UV-vis, and field-emission scanning electron microscopy (FE-SEM) techniques. Subsequently, the potential of TRGO/ZnO nanocomposites as bio-active materials against wound infection-causing bacteria, including Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli, was evaluated. Furthermore, the investigated samples show disrupted bacterial biofilm formation. A reactive oxygen species (ROS) assay was conducted to investigate the mechanism of nanocomposite inhibition against bacteria and for further in-vivo determination of antimicrobial activity. The MTT assay was performed to ensure the safety and biocompatibility of nanocomposite. The results suggest that TRGO/ZnO nanocomposites have the potential to serve as effective bio-active nanomaterials for combating pathogenic microorganisms present in wounds.

The high adsorption capacity of dyes onto the 1T-rich MoS₂ samples is due to the strong binding between the hydroxide/carboxyl groups and the 1T active sites. The capacity can be tuned by controlling the ratio between 1T and 2H phases of MoS₂ nanosheets.

Di-indium tri-sulfuric (In₂S₃) thin films are fabricated with annealing indium thin films in a sulfur environment. The effect of both annealing temperature and pressure on the structure, morphology, Raman, and photoluminescence (PL) spectroscopy has been studied. The X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM) of the prepared thin films showed different structural phases and morphology with varying annealing temperature and pressure. Energy dispersive X-ray (EDX) analysis confirmed the chemical composition and the atomic ratio of In/S for the In₂S₃ thin films. The optimum annealing conditions of In₂S₃ thin films are 550 °C and 100 Torr. The outcome results revealed a new good growth method for In₂S₃ thin films to be used for different applications.