RESEARCH
NANOMATERIALS CHEMISTRY: Development of facile and versatile synthetic approaches based on soft chemistry to fabricate a variety of functional nanostructures/nanocrystals possessing mainly metal oxide frameworks, perovskites, chalcogenides, and noble metals (Au, Ag and Pt etc.) for various applications such as opto-electronic, energy conversion and photocatalysis etc. Insight into the science of structure-property relationship of hierarchical nanostructures.
|
|
|
ARTIFICIAL PHOTOSYNTHESIS: The research activities are focused on two aspects: (i) To identify and synthesize the semiconductor based photocatalysts and photoelectrodes to drive water splitting to produce H2-an energy carrier under visible solar radiation; (ii) Design of metal organic framework-light harvesting semiconductor assemblies for their subsequent application in fabricating artificial photosynthesis systems to drive H+, CO2 and N2 reduction into fuel (energy rich compounds).( Journal of Materials Chemistry A, 2023; Langmuir, 2023; ACS Applied Materials & Interfaces, 2023, 15, 10, 13052-13063; ChemCatChem, 2023, 15 (14), e202300266; ChemSusChem, 2019,12, 3383–3389; ACS Applied Materials & Interfaces, 2015, 7, 7970; Journal of the American Chemical Society, 2013, 135, 15026–15032; RSC Advances, 2014, 4, 10928-10934; Chemical Communications, 2012, 48, 58-60).
INTRINSIC WHITE LIGHT EMITTING NANOMATERIALS: We are working on developing the novel direct white materials that eliminate the phosphors use and ca: The white LEDs available as of today, typically consists of a blue LED and one or more phosphors to convert part of the blue light to longer wavelengths and suffers from low spectral power distribution in the red region and dampening emission intensity . In addition, these are synthesized by sophisticated high vacuum methods, which are expensive methods. We are working on developing the novel direct white materials that eliminate the phosphors use and can exhibit broad emission over the entire visible spectral range (400-800 nm) under ambient conditions and underpinning the photo-physics in these processes. We have recently discovered the formation of a stable complex under ambient conditions, extending the present understanding of molecular interactions, and exhibiting the unusually enhanced broad emission over the entire visible spectral range (Inorganic Chemistry, 2023, 62, 17163–17181; Chemistry - An Asian Journal, 2022, 17, e202200948; Applied Materials Today, 2022, 27, 101407; US Patent No. 11104640 issued on 31st March 2021; Patent filed in India, Ref No. 201811008726).
NANOSTRUCTURED HYDROXYAPATITE-TITANIA BIO-IMPLANT SCAFFOLDS WITH DIFFERENT MORPHOLOGIES- The efforts are being made to fabricate biocompatible HAp based scaffolds which can exhibit improved corrosion resistant, mechanical strength. For this, the synthesis of a HAp-titania based scaffolds with different morphologies and the studies on their corrosion, cellular biocompatibility and adhesion behavior are undertaken. (J. of Materials Chemistry, 2010, 20, 4949–4954)
STIMULI RESPONSIVE NANOGELS- Synthesis of stimuli responsive biodegradable nano-gels. Studies on their rhelogical behavior, surface charges etc.. Evaluation of their potential for targeted drug delivery application and kinetics studies of drug uptake and release. (Journal of Materials Chemistry, 2010, 20, 4949–4954)