Thin-Film Photovoltaics as a Mainstream of Solar Power Engineering

Kosyachenko, L. A.

doi:10.5772/39070

Cited by 2 publications

(1 citation statement)

References 77 publications

(73 reference statements)

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“…The loss is also due to the radiative recombination in the solar cell. The common semiconductor material used for the solar cell is silicon, monocrystalline, polycrystalline and amorphous with an efficiency of 20 %, 12 % and 7 %, respectively [38]. The solar cell heating is reversely proportional to the efficiency [29].…”

Section: Losses Due To Extrinsic and Intrinsic In A Solar Cellmentioning

confidence: 99%

Strategic Modulation of Thermal to Electrical Energy Ratio Produced From Pv/T Module

2021

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Several strategies have been developed to enhance the performance of a solar photovoltaicthermal (PV/T) system in buildings. However, these systems are limited by the cost, complex structure and power consumed by the pump. This paper proposes an optimisation method conversion strategy that modulates the ratio of thermal to electrical energy from the photovoltaic (PV) cell, to increase the PV/T system’s performance. The design and modelling of a PV cell was developed in MATLAB/Simulink to validate the heat transfer occurring in the PV cell model, which converts the radiation (solar) into heat and electricity. A linear regression equation curve was used to define the ratio of thermal to electrical energy technique, and the behavioural patterns of various types of power (thermal and electrical) as a function of extrinsic cell resistance (Rse). The simulation results show an effective balance of the thermal and electrical power when adjusting the Rse. The strategy to modulate the ratio of thermal to electrical energy from the PV cell may optimise the PV/T system’s performance. A change of Rse might be an effective method of controlling the amount of thermal and electrical energy from the PV cell to support the PV/T system temporally, based on the energy need. The optimisation technique of the PV/T system using the PV cell is particularly useful for households since they require electricity, heating, and cooling. Applying this technique demonstrates the ability of the PV/T system to balance the energy ( thermal and electrical) produced based on the weather conditions and the user’s energy demands.

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Section: Losses Due To Extrinsic and Intrinsic In A Solar Cellmentioning

confidence: 99%

Strategic Modulation of Thermal to Electrical Energy Ratio Produced From Pv/T Module

2021

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Numerical Simulations on Perovskite Photovoltaic Devices

Soucase¹,

Pradas²,

Adhikari³

2016

Perovskite Materials - Synthesis, Characterisation, Properties, and Applications

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Organometal halide perovskites have recently attracted tremendous attention due to their potential for photovoltaic applications, and they are also considered as promising materials in light emitting devices. In particular, in the last years promising photovoltaic devices with efficiencies above 20% have already been prepared using organometal halide perovskites as absorbent materials. A planar heterojunction perovskite-based solar cell is made of three main layers sandwiched between the two conducting electrodes. The standard design for a planar heterojunction perovskite-based solar cell is: Back electrode/ Hole Transport Material (HTM)/ Perovskite absorber / Electron Transport Material (ETM) / Transparent electrode. For planar heterojunction-based solar cells, recent efforts have revealed that increasing conductivity of the hole transport materials by doping and optimizing charge collection by adjusting the absorber thickness could bring a positive impact on the efficiency. Electron transporting materials are also a crucial component in perovskite-based solar cells. The effect of different electron transporting materials in the final behaviour of the PV device can also be numerically simulated. Several PV parameters such as thicknesses of the absorber, HTM and ETM, respectively can be optimized by simulation methods and subsequently implemented by experimentalists. The hole mobility and acceptor concentration of the HTM, interface trap density and work-function of back contact metal have shown significant influence on the device performance. Even with these strong merits, enhancement of hole mobility and conductivity of HTM, stability of perovskite and TiO 2 and replacement of toxic lead are still crucial. Through suitable processing/synthesizing of the perovskite absorbers, best engineering the selective contact, and increasing conductivity of HTM and ETM will boost the stability as well as performance of the device. This chapter presents a review of the evolution of perovskite materials from their discovery to their present significance as the main constituent of a new class of photovoltaic devices. We also evaluate the use of numerical simulation methods for determining the optimal configuration of perovskite-based solar cells and analyzing their optoelectronic behavior. The outcome of a simulation study on organometal halide perovskite focusing on the role of the different components of the solar cell using Solar Cell Capacitance Simulator as a simulation tool are discussed. A photoconversion efficiency of 22.7%, V OC =

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Thin-Film Photovoltaics as a Mainstream of Solar Power Engineering

Cited by 2 publications

References 77 publications

Strategic Modulation of Thermal to Electrical Energy Ratio Produced From Pv/T Module

Strategic Modulation of Thermal to Electrical Energy Ratio Produced From Pv/T Module

Numerical Simulations on Perovskite Photovoltaic Devices

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