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Metal sulfides, known as being analogous to metal oxides, have emerged as a new class of materials for energy conversion and/or storage applications due to their low cost and high electrochemical activity.

Photoinduced halide ion segregation in mixed halide perovskites can introduce a detrimental effect on the photovoltaic performance of perovskite solar cells over extended light exposure.

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Late transition metal complexes that bear N-heterocyclic carbene (NHC) ligands have seen a speedy growth in their use as both, metal-based drug candidates and potentially active homogeneous catalysts in a plethora of C-C and C-N bond forming reactions. This review article focuses on the recent developments and advances in preparation and characterization of NHC-metal complexes (metal: silver, gold, copper, palladium, nickel and ruthenium) and their biomedical applications. Their design, syntheses and characterization have been reviewed and correlated to their antimicrobial and anticancer efficacies. All these initial discoveries help validate the great potential of NHC-metal derivatives as a class of effective antimicrobial and anticancer agents.

Hydrogen production by photochemical and electrochemical means is an important area of research related to renewable energy. 2D nanomaterials such as C 3 N 4 and MoS 2 have proven to be active for the hydrogen evolution reaction (HER). Phosphorene, a mono-elemental 2D layer of phosphorus, is known to catalyze the HER, but the activity is marginal. The use of phosphorene is also limited by its ambient instability. We have been able to prepare covalently cross-linked nanocomposites of phosphorene with MoS 2 as well as MoSe 2 . The phosphorene− MoS 2 nanocomposite shows excellent photochemical HER activity yielding 26.8 mmol h −1 g −1 of H 2 , while only a negligible amount is produced by the physical mixture of phosphorene and MoS 2 . The phosphorene−MoS 2 composite also displays high electrochemical HER activity with an onset overpotential of 110 mV, close to that of Pt. The enhanced HER activity of the phosphorene−MoS 2 nanocomposite can be attributed to the ordered cross-linking of the 2D sheets, increasing the interfacial area as well as the charge-transfer interaction between phosphorene and MoS 2 layers. The phosphorene−MoSe 2 nanocomposite also exhibits good photochemical HER activity.

The perovskite family is comprised of a great number of members because of the possible and flexible substitution of numerous ions in its system.

Inorganic nanomaterials have gained significant attention as an efficient electrocatalyst for several electrochemical applications in the past few years. Here, we demonstrate the preparation of hexagonal nanoplate-like zirconium phosphate (ZrP) through a facile hydrothermal technique and its application for the electrochemical detection of furazolidone (FZD). Several characteristic measurements are systematically carried out to confirm the formation of pure-phase ZrP. The hexagonal nanoplate-like ZrP catalyst exhibits excellent electrochemical activities toward FZD detection owing to its highly active centers exposed on the surfaces and site populations. The ZrP-based sensor possesses a low limit of detection (1.2 nM), wide working range (0.009–339 μM), high sensitivity (1.312 μA/(μM cm2)), rapid response (<3 s), excellent stability, and good anti-interference ability toward FZD sensing. Furthermore, the proposed electrochemical sensor is considered competitive compared to the previously reported sensors. Besides, the practicability of the produced electrochemical sensor was successfully applied to accurately detect FZD in food samples. The synthesized nanomaterial delivers a pathway toward the rational construction of electrocatalysts for diverse electrochemical technologies.