Publications

CoP nanosheet array integrated Ti mesh is an efficient monolithic catalyst for NaBH₄ hydrolysis toward on-demand hydrogen generation with good reusability.

Copper(II) complexes of sulfonamides have found importance in biological and pharmaceutical systems. This study focuses on copper(II) complexes that were synthesized by precipitation method. The spectroscopic characterization was done by different techniques like FT-IR, UV–Vis, and ESI-MS. Compound 6 [Cu(L2)]2·2DMSO [HL = 4-((naphthalene-1-sulfonamido)methyl)cyclohexanecarboxylic acid] was recrystallized from DMSO, and its structure was determined by single-crystal X-ray diffraction to confirm the results of the synthesis of series of compounds. The geometry around each Cu(II) is tetrahedral bipyramidal with monodentate DMSO at the apical and bidentate carboxylates in the equatorial positions and a Cu–Cu bond. The synthetic compounds were screened for their biological applications involving antibacterial (Escherichia coli [E.C], Staphylococcus aureus [S.A], Sheigella sonnei [S.S], Bacillus subtilis [B.S], Nesseria gonorrhoeae [N.G], and Chromohalobacter israelensis [C.I]), antifungal (Aspergillus niger [A.N] and Neurospora crassa [N.C]), enzyme inhibition (acetylcholinesterase [AChE] and butyrylcholinesterase [BChE]), and antioxidant study. Furthermore, molecular docking study of all compounds was performed against enzymes and DNA using AutoDock Tools version 1.5.6. After confirmation of DNA-interaction through docking studies, nuclease activity was performed using agarose gel electrophoresis method and all compounds have been found to cleave DNA. These results concluded that copper complexes of sulfonamide may be good induction in the future for medical purposes.

Herein, Cu(II)Pcs and Ni(II)Pcs peripherally tetra‐functionalized with 5‐hexylthiophene (HT), 5‐hexyl‐2,2′‐bithiophene (HBT), and tertbutyl groups (TB) are readily synthesized and employed as hole‐transporting materials (HTMs) in mixed‐ion perovskite ([FAPbI 3 ] 0.85 [MAPbBr 3 ] 0.15 ) solar cells, achieving power conversion efficiencies (PCEs) up to 20.0%. Remarkably, both the peripheral functionalization and the central metal are found to play a role in the performance. Through a combination of experimental and theoretical techniques, it is found that the simplest HTM, TB‐CuPc, is the best‐performing HTM primarily due to its higher hole mobility and a more appropriate highest‐occupied molecular orbital, whose enables efficient hole extraction without open‐circuit voltage ( V oc )losses. This derivative leads to PCEs of 19.96%, which are among the highest values for Pc‐based HTMs. Importantly, devices incorporating these HTMs present significantly higher stability compared to those based on spiro‐OMeTAD. The results here presented pave the way for more realistic, efficient, and inexpensive photovoltaic devices using phthalocyanine derivatives.

Graphene oxide (GO) is a sp2 hybridized carbon atom arranged in a honeycomb lattice. Graphene is a new allotrope of carbon compound which could prime new openings in research fields. GO was successfully synthesized via Phyllanthus Emblica (PE) leaf. Structures, morphologies and photo catalytic activities of the as synthesized nanomaterial were determined by using X-Ray diffraction (XRD), UV-Visible spectroscopy, Field emission scanning electron microscopy (FE-SEM), Energy dispersive spectroscopy (EDS), Fourier transform infrared spectroscopy (FTIR), High resolution transmission electron microscopy (HRTEM) analysis. The photo catalytic activities of the as-synthesized GO were estimated for the degradation of malachite green (MG) and methyl violet (MV) in aqueous solution under replicated solar light. The photo catalytic degradation of GO was 94% for brilliant green and 99% for methyl violet in 120 min.

Abstract Because of their peculiar two‐dimensional layered microstructure, the existence of numerous functionalities on the surface and excellent electrical, thermal and optical features, MXenes are regarded as promising candidates for solving energy and environment related problems. It is noted that energy conversion and storge capability of MXenes could be raised by altering their dimensions, structure, surface chemistry and chemical composition. Therefore, it is critical to recognize how one can boost the relationship between structure and property from applied viewpoint. In the present study, we reviewed the synthesis, properties and potential applications of MXenes. Furthermore, several properties of MXenes including structural, chemical, optical, mechanical and thermal have been explored. In addition, the potential applications of MXenes in various areas such as photocatalysis, gas sensing, supercapacitors, electrocatalysis and environmental remediation have also been discussed. Based on reported works, it can clearly be noticed that features and potential applications of MXenes may be further improved by applying many alteration and functionalization strategies. This study also focuses on the current progresses and future prospective relating to MXene based composites, which will surely assist the scientists who are doing work in areas of academia and material sciences.

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.