Highly water dispersible boron based compounds are innovative and advanced materials which can be used in Boron Neutron Capture Therapy for cancer treatment (BNCT). Present study deals with the synthesis of highly water dispersible nanostructured Boron Nitride (BN). Unique and relatively low temperature synthesis route is the soul of present study. The morphological examinations (Scanning/transmission electron microscopy) of synthesized nanostructures showed that they are in transient phase from two dimensional hexagonal sheets to nanotubes. It is also supported by dual energy band gap of these materials calculated from UV- visible spectrum of the material. The theoretically calculated band gap also supports the same (calculated by virtual nano lab Software). X-ray diffraction (XRD) analysis shows that the synthesized material has deformed structure which is further supported by Raman spectroscopy. The structural aspect of high water disperse ability of BN is also studied. The ultra-high disperse ability which is a result of structural deformation make these nanostructures very useful in BNCT. Cytotoxicity studies on various cell lines (Hela(cervical cancer), human embryonic kidney (HEK-293) and human breast adenocarcinoma (MCF-7)) show that the synthesized nanostructures can be used for BNCT.
Boron nitride and titanium oxide composite (BN–TiO2) photocatalyst endowed with high specific surface area and large pore size was synthesized by ice bath method.
Preferentially grown nanostructured iron disulfide pyrite (111) was successfully synthesized using a low cost effective hydrothermal method, then employed as a photocatalyst for degradation of methylene blue and the textile dye Synazol Yellow K-HL.
For environmental concerns, there is need of cost effective method for the removal of toxic and carcinogenic dyes used in industries that pose a serious threat to humankind as well as marine life/ecosystems. FeS2 is a promising semiconductor photocatalyst because of its high potential to degrade dyes as well as organic materials. In the present study, FeS2 was successfully synthesized using low cost and more effective hydrothermal method. The different features of synthesized FeS2 material was confirmed by X‐ray diffraction, transmission electron microscopy, UV‐visible spectrophotometry. Methyl orange dye and also a textile dye that contribute as a major organic pollutant was effectively degraded by photo catalytically active FeS2 nanostructures. The maximum degradation efficiency (93.09%) was occurred in 120 minutes with 1 g/L FeS2 catalyst dose. The dye removal efficiency for a textile dye Novacron yellow Huntsman (NYH) approximately 98.15 % was achieved with 1 g/L FeS2 catalyst in just 80 min irradiation of visible light. This work further insights to develop FeS2 nanostructures photocatalyst for the removal of toxic and hazardous water contaminants.
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