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Research papers on Solar panel efficiency

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  1. Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells

    Akihiro Kojima, Kenjiro Teshima, Yasuo Shirai, et al. · 2009 · Journal of the American Chemical Society · 23,024 citations

    Two organolead halide perovskite nanocrystals, CH(3)NH(3)PbBr(3) and CH(3)NH(3)PbI(3), were found to efficiently sensitize TiO(2) for visible-light conversion in photoelectrochemical cells. When self-assembled on mesoporous TiO(2) films, the nanocrystalline perovskites exhibit strong band-gap absorptions as semiconductors. The CH(3)NH(3)PbI(3)-based photocell with spectral sensitivity of up to 800 nm yielded a solar energy conversion efficiency of 3.8%. The CH(3)NH(3)PbBr(3)-based cell showed a high photovoltage of 0.96 V with an external quantum conversion efficiency of 65%.

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  2. Efficient Hybrid Solar Cells Based on Meso-Superstructured Organometal Halide Perovskites

    Michael M. Lee, Joël Teuscher, Tsutomu Miyasaka, et al. · 2012 · Science · 10,640 citations

    The energy costs associated with separating tightly bound excitons (photoinduced electron-hole pairs) and extracting free charges from highly disordered low-mobility networks represent fundamental losses for many low-cost photovoltaic technologies. We report a low-cost, solution-processable solar cell, based on a highly crystalline perovskite absorber with intense visible to near-infrared absorptivity, that has a power conversion efficiency of 10.9% in a single-junction device under simulated full sunlight. This "meso-superstructured solar cell" exhibits exceptionally few fundamental energy losses; it can generate open-circuit photovoltages of more than 1.1 volts, despite the relatively narr

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  10. High-efficiency solution-processed perovskite solar cells with millimeter-scale grains

    Wanyi Nie, Hsinhan Tsai, Reza Asadpour, et al. · 2015 · Science · 3,286 citations

    State-of-the-art photovoltaics use high-purity, large-area, wafer-scale single-crystalline semiconductors grown by sophisticated, high-temperature crystal growth processes. We demonstrate a solution-based hot-casting technique to grow continuous, pinhole-free thin films of organometallic perovskites with millimeter-scale crystalline grains. We fabricated planar solar cells with efficiencies approaching 18%, with little cell-to-cell variability. The devices show hysteresis-free photovoltaic response, which had been a fundamental bottleneck for the stable operation of perovskite devices. Characterization and modeling attribute the improved performance to reduced bulk defects and improved charg

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  11. High-Efficiency Perovskite Solar Cells

    Jin Young Kim, Jin‐Wook Lee, Hyun Suk Jung, et al. · 2020 · Chemical Reviews · 2,800 citations

    With rapid progress in a power conversion efficiency (PCE) to reach 25%, metal halide perovskite-based solar cells became a game-changer in a photovoltaic performance race. Triggered by the development of the solid-state perovskite solar cell in 2012, intense follow-up research works on structure design, materials chemistry, process engineering, and device physics have contributed to the revolutionary evolution of the solid-state perovskite solar cell to be a strong candidate for a next-generation solar energy harvester. The high efficiency in combination with the low cost of materials and processes are the selling points of this cell over commercial silicon or other organic and inorganic so

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  12. Perovskite solar cells: an emerging photovoltaic technology

    Nam‐Gyu Park · 2014 · Materials Today · 2,066 citations

    Perovskite solar cells based on organometal halides represent an emerging photovoltaic technology. Perovskite solar cells stem from dye-sensitized solar cells. In a liquid-based dye-sensitized solar cell structure, the adsorption of methylammonium lead halide perovskite on a nanocrystalline TiO 2 surface produces a photocurrent with a power conversion efficiency (PCE) of around 3–4%, as first discovered in 2009. The PCE was doubled after 2 years by optimizing the perovskite coating conditions. However, the liquid-based perovskite solar cell receives little attention because of its stability issues, including instant dissolution of the perovskite in a liquid electrolyte. A long-term, stable,

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  15. Simulation studies on the electron transport layer based perovskite solar cell to achieve high photovoltaic efficiency

    Rui Huang, Jiyu Tang · 2021 · Journal of Physics: Conference Series · 9 citations

    Abstract Perovskite solar cells have attracted the attention of the researchers in the last couple of years as a potential photovoltaic device. However, the use of expensive hole transport materials (HTM) in these devices often restricts their commercial adaptability. Thus exploring cost-effective, efficient HTL and ETL materials remain an important challenge to the researchers. In this work, simulation studies are carried out considering cupric oxide (CuO), a relatively inexpensive material as hole transport materials for planar heterojunction perovskite solar cells. The photo-voltaic performance of CuO based hole transport layer (HTL) has been estimated in combination with s

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  21. RETRACTED: Enhanced photovoltaic efficiency of perovskite solar cell through reduced graphene oxide passivation

    Simeon Amole, David Bolarinwa Agunbiade, Olusola Akinrinola, et al. · 2026 · AIP Advances · 2 citations

    Photovoltaic response is substantially very crucial in perovskite solar cells, and it could be enhanced via grain boundary passivation. Here, reduced graphene oxide synthesized using the improved Hummers’ method was incorporated into the organic–inorganic methylammonium lead triiodide (CH3NH3PbI3) perovskite film and the bilayer electron transporting layer of CH3NH3PbI3-based PSCs. Characterization studies were carried out to examine structural, morphological, and optical properties by means of Fourier transform infrared spectrometry (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy, and ultraviolet–visible spectrophotometry. The characteri

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  22. Photovoltaic Effect and Efficiency of Perovskite Solar Cells

    Xinnan Wang · 2024 · Highlights in Science, Engineering and Technology · 1 citations

    Recently, the solar cells have become a hotspot as the solar power is becoming more and more popular. There are many types of solar cells. Perovskite solar cells (PSCs), as a type of solar cell, use perovskite type semiconductors as the light absorbing materials. PSCs exhibit high efficiency and stability. The performance of solar cells could be evaluated by the photovoltaic effect. Therefore, the research on the photovoltaic effect of perovskite solar cells is of importance. This essay gives a brief introduction to the composition and structure of perovskite solar cells. Then, it introduces the photovoltaic effect of perovskite solar cells in two parts which include working principle and ef

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  23. Impact of Temperature and Solar Radiation on Photovoltaic Cell Efficiency: A Simulation Study Using MATLAB

    المعتزبالله عبودة, Osama Ali Badi, سعد سالم, et al. · 2025 · The International Journal of Engineering & Information Technology (IJEIT)

    This research targets studying the impact of temperature and solar radiation on two types of photovoltaic cells: monocrystalline and polycrystalline. This paper examines, through the use of MATLAB simulation, the variation in these environmental factors for significant parameters such as efficiency, power output, and voltage characteristics in order to deduce the superior performance type under high-temperature conditions. This was simulated for temperature and solar radiation variations from 25°C to 65°C, in 10°C steps, and 200 W/m² to 1000 W/m², in 200 W/m² steps, respectively. For both types of cells, constants, variables, and specifications were programmed into MATLAB, while iterative l

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  24. Engineering Structure and Stability of Next-Generation Perovskite Materials for Optimization of Photovoltaic Solar Cell Efficiency

    Anugrah, Rismen Sinambela · 2026 · Science Get Journal

    Perovskite solar cells (PSCs) are a promising next-generation photovoltaic technology due to their high power conversion efficiency (PCE) and facile fabrication. However, structural instability, environmental sensitivity, and operational degradation limit their practical applications. This study investigates the effects of compositional and interfacial engineering on PSC performance and stability. Three perovskite types mixed-cation, interface-modified, and anti-perovskite were fabricated and characterized in terms of crystallinity, morphology, optical absorption, and electrical performance. Mixed-cation perovskites exhibited superior crystallinity, homogeneous morphology, broad optical abso

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