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- 검색키워드
- 저자 : Pradeepa, S.S. (검색결과 2 건)
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Pradeepa. S,Anu Baisel 한국영어영문학회 2022 영어 영문학 Vol.68 No.3
The prevailing stereotypical views of old age articulate the relevance of the need for artistic representation of ageing in fiction. The centrality of the intersection of gerontology and literature brings out the understanding of attitudes toward ageism. The focus is on humanities-based intervention, which draws attention to how ageing is portrayed in the select novel. Specifically looking at literary gerontology, this article aims to represent the layering of prejudices dealing with grandparenthood and infantilization in late adulthood. It shows how Anne Tyler’s novel, Back When We Were Grownups, contests the narrative of ageism and the character’s concern about the role of behavior in their old age. The reflexive stance on the conceptualized notion of grandparent also takes the form of a specific stereotypical view. Tyler’s exploration of aged characters introduces realities such as physical dependency, loneliness, visual impressions, and changing roles concerning ageing. Thus, the act of prejudice acknowledges that it not only stems from society’s perspective but also begins from the older adult’s own family. While enduring old age, there are possibilities to form a tie between childhood and old age due to dependency. Though the openly manifested social norm of dependence in ageing is quite unnatural, the novel throws positive light through its old-age characters. In between the framed identical stereotypes, the novel’s protagonist seeks to transform beyond the gerontological stereotypes in society. It is pressing, especially when older women are imbued with the threat of self-realizing transformation from their younger selves and framing themselves as widows.
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Supercapacitor and OER activity of transition metal (Mo, Co, Cu) sulphides
Jansi Rani, B.,Pradeepa, S.S.,Hasan, Zinab M.,Ravi, G.,Yuvakkumar, R.,Hong, S.I. Elsevier 2020 The Journal of physics and chemistry of solids Vol.138 No.-
<P><B>Abstract</B></P> <P>Multifunctional transition metal (Mo, Co, Cu) sulphide electrocatalysts were synthesized employing hydrothermal method with stabilization at 180 °C for 24 h for both supercapacitors and water splitting applications. Rhombohedral (MoS<SUB>2</SUB>) and hexagonal (CoS and CuS) structures of the electrocatalysts were identified from the X-ray diffraction patterns. Raman-active modes confirmed the characteristic phonon vibrations. The prepared sulphides optical studies were examined employing photoluminescence spectroscopy and UV spectroscopy. Morphological variations observed for different sulphide nanostructures were confirmed by the scanning electron microscopy images. A comparative electrochemical study of MoS<SUB>2</SUB>, CoS and CuS was performed. Of the three candidates, MoS<SUB>2</SUB> has superior capacitive behaviour, exhibiting very high specific capacitance of 513F/g at 0.5 A/g, and moreover exhibited the highest oxygen evolution reaction current density of 442.7 mA/g at a scan rate of 10 mV/s. Furthermore, it maintained its performance for longer in 1000 cycles of galvanostatic charging and discharging and in 12 h of an oxygen evolution reaction stability test.</P> <P><B>Highlights</B></P> <P> <UL> <LI> High specific capacitance of 513 F/g at 0.5 A/g was achieved for MoS<SUB>2</SUB>. </LI> <LI> Stability of 98% was achieved for MoS<SUB>2</SUB> after 1000 cycles of galvanostatic charging and discharging. </LI> <LI> A high current density of 442 mA/g was achieved at 10 mV/s. </LI> <LI> After a chronoamperometry test for 12 h, 100% oxygen evolution reaction activity was obtained for MoS<SUB>2</SUB>. </LI> <LI> The MoS<SUB>2</SUB> electrode is highly recommended as an efficient electrode for energy applications. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
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