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Comparison of Efficiency analysis of Perovskite solar cell by altering Electron and Hole transporting layers
摘要： The methylamine lead halide perovskites as the light harvesting material in solar devices are emerging and promising due to their easy manufacturing process and large photovoltaic efficiency. Generally perovskite solar cells consist of a structure in which the perovskite light absorbing layer is sandwiched between electron and hole transporting layers (ETLs and HTLs). Herein we report four types of perovskite (CH3NH3PbBr3) solar cells which were fabricated in the absence and presence of electron transporting layer (Titanium dioxide (TiO2)) and hole transporting layer (2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-pirobifluorene (Spiro-OMeTAD)). Efficiency comparison analysis of fabricated solar cells was performed in the absence and presence of electron and hole transporting layers. All layers were deposited by spin-coating method. Different analysis using XRD, SEM, UV and IV measurements were carried out for all samples. Maximum power conversion efficiency of 13.8 % was obtained.
关键词： Hole transport material free,mesoporous Titanium dioxide,Perovskite solar cell,photovoltaic technology
更新于2025-09-12 10:27:22
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Experimental performance of commercial OPV panels tested outdoor
摘要： This work presents the experimental performance of commercial versions of organic photovoltaic (OPV) panels. Twenty four commercialized OPV panels of two different sizes (2.52 × 0.52 m and 1.29 × 0.52 m) were examined. Unfortunately, the company that provides the panels does not inform the technology behind the OPV they commercialize, but it provided a datasheet. We designed an outdoor test bench to make a parallelization between the commercial technology and scientific literature. The panels were bonded over a 0.04-m-thick acrylic layer to provide mechanical resistance and a clear view of the backside. The test bench was designed to allow panel tilt angles to be varied manually. We measured the total, beam, and diffuse radiation, along with the solar spectrum and all environmental conditions. Various topologies were tested, and results of power conversion efficiency (PCE) are presented. PCE was approximately 2% for all OPV panels, and was nearly stable during the four months of testing. PCE provided in the datasheet is ~3%, suggesting a loss of efficiency during the burn-in period.
关键词： outdoor tests,Organic photovoltaics (OPV),photovoltaic technology
更新于2025-09-04 15:30:14