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[IEEE 2019 IEEE International Conference on Intelligent Techniques in Control, Optimization and Signal Processing (INCOS) - Tamilnadu, India (2019.4.11-2019.4.13)] 2019 IEEE International Conference on Intelligent Techniques in Control, Optimization and Signal Processing (INCOS) - Implementation of MPPT for Flexible Solar Cells embedded on Unmanned Aerial Vehicles
摘要： This paper presents a Maximum Power Point Tracking (MPPT)method for a flexible organic polymer solar cell (FOPSC) under varyingshading condition. FOPSC was fabricated using a composite of three conjugated polymers namely PFO, PEO-at-co-MEH-PPV, and MEH-PPV as active layer, CNT/rGO composite as counter electrode (CE), substratemade of Poly-Ethylene Terephthalate (PET). The fabricated OPSC showed around 0.69 asfill factor (FF), a 0.67 V of voltage at open circuit condition(Voc), a 6.37% of 13.69 power mA/cm2 circuit density condition.The PCE of OPSC was comparable to that of OPSC with Pt CE (η = 7.82%).Four OPSC strips where connected in series, aground-based UAV model and different shading conditions were recreated and the power to voltage relationships were obtained. Based on the experimental data obtained, a MPPT techniques was developed using second order derivative of output voltagewith respect to duty cycle The buck a ratio PWM controlled using a microcontroller to implement the D2VOC based MPPT.
关键词： MPPT and UAV,TEM,organic polymer solar cell,CNT/rGO composite,second order derivative of output voltagewith respect to duty cycle ratio (D2VOC),FEM
更新于2025-09-16 10:30:52
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Effect of Micro/Nanostructured P3HT:PCBM Surfaces on the Performance of Organic Photovoltaic Devices
摘要： In this study, the effect of periodic patterned micro/nanostructures on the active layers of thin-film organic photovoltaics (OPVs) was investigated to improve the device performance. The patterned active layer structures were fabricated by a nanoimprinting technique using different templates, including compact disc recordable (CD-R), Blu-ray disc recordable (BD-R), nanowell arrays, nanodot arrays, and honeycomb structures. The OPVs consisted of Al/nanostructured P3HT:PCBM/PEDOT:PSS/ITO. Compared with a flat reference OPV, all the micro/nanostructured OPVs exhibited higher performances, originating from enhanced light absorption due to light scattering and surface plasmon excitation at the patterned Al/P3HT:PCBM interfaces.
关键词： organic polymer solar cell,nanostructure,grating structure,nanoimprinted
更新于2025-09-11 14:15:04