Publications by authors named "Shama Perween"
Article Synopsis
- The research focuses on synthesizing a new oxyfluoride compound, LaBaInOF, through a low-temperature reaction involving a known oxide and a fluorinating agent, leading to the substitution of oxide ions with fluoride ions.
- Characterization techniques revealed that the fluorination process changes the material's symmetry and structure, resulting in disorder among anions, which significantly impacts its optical properties.
- Both the original oxide and the newly formed oxyfluoride are shown to be effective for photocatalytic hydrogen evolution, demonstrating that altering anion composition can modify the material's photocatalytic performance.
All-inorganic perovskites have emerged as promising photovoltaic materials due to their superior thermal stability compared to their heat-sensitive hybrid organic-inorganic counterparts. In particular, CsPbI Br shows the highest potential for developing thermally-stable perovskite solar cells (PSCs) among all-inorganic compositions. However, controlling the crystallinity and morphology of all-inorganic compositions is a significant challenge.
View Article and Find Full Text PDFIn this work, we report a facile way to fabricate composite nanofibrous mats of polyvinyl alcohol (PVA), polydimethylsiloxane (PDMS), and stearic acid (SA) by employing the electrospinning-technique, with PDMS fraction ranging from 40w% to nearly 80w%. The results show that for a predetermined fraction of PVA and SA, incorporation of an optimal amount of PDMS is necessary for which the mats exhibit the best mechanical behavior. Beyond this optimal PDMS fraction, the mechanical properties of the composite mats deteriorate.
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