|Total results: 88||
|Advanced Solar Cell Materials, Technology, Modeling, and Simulation
Laurentiu Fara, Masafumi Yamaguchi.
While measuring the effectiveness of solar cell materials may not always be practical once a device has been created, solar cell modeling may allow researchers to obtain prospective analyses of the internal processes of potential materials prior to their manufacture.Advanced Solar Cell Materials...
Handbook of Research on Solar Energy Systems and Technologies
Sohail Anwar, Harry Efstathiadis, Salahuddin Qazi.
The last ten years have seen rapid advances in nanoscience and nanotechnology, allowing unprecedented manipulation of nanoscale structures controlling solar capture, conversion, and storage.Filled with cutting-edge solar energy research and reference materials, the Handbook of Research on Solar Energy...
New Trends in Solar Cells
Masafumi Yamaguchi, Laurentiu Fara.
Photovoltaic (PV) power generation technology is one of the most promising renewable energy technologies because of the possibility of solving environmental problems and limited sources of energy. In order to realize widespread deployment of solar photovoltaics and contribute to further development in...
Physical Limitations of Photovoltaic Conversion
Laurentiu Fara, Masafumi Yamaguchi.
This chapter presents the factors that are included in the expression of the conversion efficiency of a solar cell. These factors are upper limited, and that is why the conversion efficiency could not exceed certain critical values. The chapter analyzes thermodynamic limitations, correction introduced...
Quantum Well Solar Cells: Physics, Materials and Technology
Magdalena Lidia Ciurea, Ana-Maria Lepadatu, Ionel Stavarache.
Several structures with different absorbers from 3-5 and 4 groups are described and discussed. Various technological and design solutions, such as multiple quantum well solar cells with graded band gap, with tandem configurations, with strain-balanced structure, and strain-balanced structure improved...
Quantum Confinement Modeling and Simulation for Quantum Well Solar Cells
Laurentiu Fara, Mihai Razvan Mitroi.
In this chapter, the authors present the modelling and simulation of the multi-layered quantum well solar cells as well as the simulated results of this model. The quantum confinement of a semiconductor induces new energy levels, located in the band gap, as well as resonant levels located in the...
Hybrid Solar Cells: Materials and Technology
Corneliu Cincu, Aurel Diacon.
Conventional solar cells are usually manufactured from silicon, an inorganic material. This type of solar cell has a high efficiency, up to 40%, but these cells are using very expensive materials of a high purity and energy intensive processing techniques. This chapter is dedicated to a critical...
Polymer Solar Cells
Currently, the active materials used for the fabrication of solar cells are mainly inorganic. Materials such as silicon (Si), gallium-arsenide (GaAs), cadmium-telluride (CdTe), and cadmium-indium-selenide (CIS). Nevertheless, the large production cost for the silicon solar cells is one of the major...
Organic Solar Cells Modeling and Simulation
Mihai Razvan Mitroi, Laurentiu Fara, Andrei Galbeaza Moraru.
Modelling and simulation of organic (polymer, dye sensitized, and nanotube) solar cells is discussed. High J-V theoretical curves, the calculation of key parameters, and also the relative influence of different parameters on the cell operation, are evidenced and analyzed. On this basis, the authors...
Super High Efficiency Multi-Junction Solar Cells and Concentrator Solar Cells
While single-junction solar cells may be capable of attaining AM1.5 efficiencies of up to 29%, Multi-Junction (MJ, Tandem) III-V compound solar cells appear capable of realistic efficiencies of up to 50% and are promising for space and terrestrial applications. In fact, the InGaP/GaAs/Ge...
Quantum Dot Solar Cells
Yoshitaka Okada, Katsuhisa Yoshida, Yasushi Shoji.
Advanced concepts for high efficiency solar cells such as hot carrier effects, Multi-Exciton Generation (MEG), and Intermediate-Band (IB) absorption in low-dimensional nanostructures are under focused research topics in recent years. Among various potential approaches, this chapter is devoted to the...
Intermediate Band Solar Cells: Modeling and Simulation
Pablo García-Linares, Elisa Antolín, Antonio Martí, Antonio Luque.
The Intermediate Band Solar Cell (IBSC) is a novel photovoltaic device with the potential of surpassing the efficiency limit of conventional solar cells. It is based on a new class of materials characterized by the insertion of a collection of energy levels within the material bandgap. These levels act...
Phononic Engineering for Hot Carrier Solar Cells
Sana Laribi, Arthur Le Bris, Lun Mei Huang, Par Olsson, Jean Francois Guillemoles.
In this chapter, the authors first analyse the operation of a hot carrier solar cell and lay down the general principles. They then discuss the opportunity of phonon engineering to improve the phonon bottleneck. Finally, they present how these can be modeled in nanostuctures comprising several thousand...
The Luminescent Solar Concentrator: Advances, Optimization, and Outlook
Rahul Bose, Keith W. J. Barnham, Amanda J. Chatten.
Luminescent Solar Concentrators (LSCs) offer a way of making Photovoltaic (PV) systems more attractive through reduced energy costs, the possibility of application in cloudy regions, and improved building integration. LSCs collect light over a large area and concentrate it, both spatially and...
Prospects and Strategy of Development for Advanced Solar Cells
Laurentiu Fara, Masafumi Yamaguchi.
This chapter presents the necessity for developing high performance, low-cost, and highly reliable solar cells in order to further deployment of photovoltaics, as well as the prospects and strategies for developing advanced solar cells.
Control and Conversion of Solar Power
Solar energy conversion is one of the most addressed topics in the field of renewable energy. Solar radiation is usually converted into two forms of energy: thermal and electrical energy. Solar electricity has applications in many systems such as rural electricity, water pumping, and satellite...
Solar Energy Storage: An Approach for Terrestrial and Space Applications
With the urgent need to harvest and store solar energy, especially with the dramatic unexpected changes in oil prices, the design of new generation of solar energy storage systems has grown in importance. Besides diminishing the role of the oil, these systems provide green energy which would help...
Solar Photovoltaic Servo Tracking Controlled System
Renewable energy has known a great interest during the last two decades. Solar energy is viewed as the cleanest renewable source of energy for the future since it is the least polluting and the most inexhaustible of all known energy sources. Subsequently, technologies that enable the use of solar...
Power Electronics and Controls in Solar Photovoltaic Systems
The use of renewable energy sources is increasingly being pursued as a supplemental and an alternative to traditional energy generation. Several distributed energy systems are expected to a have a significant impact on the energy industry in the near future. As such, the renewable energy systems are...
Photovoltaics (PV) have been the world’s most rapidly growing energy source, with markets increasing at a compounded rate over the years. The electricity generating capacity of new photovoltaic product manufactured in 2006 exceeded new nuclear power capacity for the first time, with the gap widening in...
Nanotechnology for Photovoltaic Energy: Challenges and Potentials
Salahuddin Qazi, Farhan A. Qazi.
Solar radiation is plentiful and a clean source of power. However, despite the first practical use of silicon based solar cell more than 50 years ago, it has not been exploited to its full potential due to the high cost of electrical conversion on a per Watt basis. Many new kinds of photovoltaic cells...
CuInGaSe Based Thin Films for Photovoltaic Solar Cells
Harry Efstathiadis, Adam Filios.
This chapter mainly focuses on two promising technologies, Copper Indium Gallium Selenide (CIGS) and nanocrystalline silicon solar cells. Heterojunctions based on CIGS have been studied for several years, and have shown very stable performance in field tests.
Nanotechnology and Polymer Solar Cells
In response to environmental concerns there is a drive towards developing renewable, and cleaner, energy technologies. Solar cells, which harvest energy directly from sunlight, may satisfy future energy requirements, but photovoltaic devices are currently too expensive to compete with existing fossil...