تصفح University Publications حسب المؤلف "Ponnamma, Deepalekshmi"
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Designing a quick fix shutter for auto-disinfecting scan glass surface in biometric scanners
Ponnamma, Deepalekshmi; Houkan, Mohammad Talal; Mourya, Muni Raj; Al-Thani, Noora ( Qatar University Press , 2020 , Poster)Fingerprint scanners are significant devices in professional life, and its contamination can be potential sources of COVID 19 transmission. Manual disinfection of the fingerprint scanner after every single use is time ... -
Piezoelectric Nanogenerators Based On Pvdf-Hfp/Zno Mesoporous Silica Nanocomposites For Self-Powering Devices
Abdul-kareem, Asma Abdulgader; AlSanari, Noura; Daifallah, Amal; Mohamed, Radwa; Bhadra, Jolly; Ponnamma, Deepalekshmi; Al-Thani, Noora... more authors ... less authors ( Qatar University Press , 2020 , Poster)Due to the rising global concern over energy catastrophe and environmental issues, attention has been diverted towards future energy. In recent times, rechargeable power and renewable energy sources have been considered ... -
Smart and Robust Nanocomposite Fibers for Self-Powering
alkhair, Shahad; Ponnamma, Deepalekshmi; Aljanahi, Abdulla; AlNasr, Abdulla ( Qatar University Press , 2020 , Poster)Many of the devices, demands power sources for their continuous and long-term operations, self-powering devices with good flexibility, mechanical robustness, highly efficient energy storage performance and environmental ...