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"Solar cells."
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Perovskite solar cells : technology and practices
\"Key features: Provides an update on a hot trending topic of renewable energy and energy conversion technologies ; Introduces emerging materials processing methods of PSCs ; Covers electron-transporting layers in PSCs, hole-transporting layers in PSCs, and lead-free PSCs ; Includes easy-to-understand diagrams and configurations ; Serves as a quick guide on PSCs for young researchers\"-- Provided by publisher.
Book
Solar photovoltaic technology: A review of different types of solar cells and its future trends
The Sun is source of abundant energy. We are getting large amount of energy from the Sun out of which only a small portion is utilized. Sunlight reaching to Earth’s surface has potential to fulfill all our ever increasing energy demands. Solar Photovoltaic technology deals with conversion of incident sunlight energy into electrical energy. Solar cells fabricated from Silicon aie the first generation solar cells. It was studied that more improvement is needed for large absorption of incident sunlight and increase in efficiency of solar cells. Thin film technology and amorphous Silicon solar cells were further developed to meet these conditions. In this review, we have studied a progressive advancement in Solar cell technology from first generation solar cells to Dye sensitized solar cells, Quantum dot solar cells and some recent technologies. This article also discuss about future trends of these different generation solar cell technologies and their scope to establish Solar cell technology.
Journal Article
The physics of solar cells : perovskites, organics, and photovoltaic fundamentals
\"Energy devices with solar cells and batteries are crucial in the drive to obtain a carbon-free energy economy. Funding and commercial applications are focused on developing new materials and devices that perform required energy conversion and storage processes with high efficiency, adequate capabilities, and low production costs. This book provides an accessible summary and introduction of the main physicochemical principles that govern solar cells, perovskites, and organic materials. Recent rapid advances in the science and technology of solar cells with the discovery of perovskite solar cells and their development to a highly efficient semiconductor solar cell are highlighted\"-- Provided by publisher.
Book
Quantum dot-induced phase stabilization of α-CsPbI₃ perovskite for high-efficiency photovoltaics
We show nanoscale phase stabilization of CsPbl₃ quantum dots (QDs) to low temperatures that can be used as the active component of efficient optoelectronic devices. CsPbl₃ is an all-inorganic analog to the hybrid organic cation halide perovskites, but the cubic phase of bulk CsPbl₃ (α-CsPbl₃)—the variant with desirable band gap—is only stable at high temperatures. We describe the formation of α-CsPbl₃ QD films that are phase-stable for months in ambient air. The films exhibit long-range electronic transport and were used to fabricate colloidal perovskite QD photovoltaic cells with an open-circuit voltage of 1.23 volts and efficiency of 10.77%. These devices also function as light-emitting diodes with low turn-on voltage and tunable emission.
Journal Article
Photovoltaic science and technology
\"Discusses the principles of operation of photovoltaic devices, their limitations, choice of materials and maximum efficiencies\"-- Provided by publisher.
Book
Advancements in Photovoltaic Cell Materials: Silicon, Organic, and Perovskite Solar Cells
The evolution of photovoltaic cells is intrinsically linked to advancements in the materials from which they are fabricated. This review paper provides an in-depth analysis of the latest developments in silicon-based, organic, and perovskite solar cells, which are at the forefront of photovoltaic research. We scrutinize the unique characteristics, advantages, and limitations of each material class, emphasizing their contributions to efficiency, stability, and commercial viability. Silicon-based cells are explored for their enduring relevance and recent innovations in crystalline structures. Organic photovoltaic cells are examined for their flexibility and potential for low-cost production, while perovskites are highlighted for their remarkable efficiency gains and ease of fabrication. The paper also addresses the challenges of material stability, scalability, and environmental impact, offering a balanced perspective on the current state and future potential of these material technologies.
Journal Article
4-Terminal Inorganic Perovskite/Organic Tandem Solar Cells Offer 22% Efficiency
Highlights4-Terminal inorganic perovskite/organic tandem solar cells were made by using semi-transparent inorganic perovskite solar cells and narrow-bandgap organic solar cells as the sub-cells, yielding a power conversion efficiency of 22.34%, which is the highest efficiency for inorganic perovskite/organic tandem solar cells.Inorganic perovskite solar cells made by drop-coating (self-spreading) gave much higher power conversion efficiency than the cells made by spin-coating, enabling perovskite/organic tandem solar cells with higher efficiency.After fast developing of single-junction perovskite solar cells and organic solar cells in the past 10 years, it is becoming harder and harder to improve their power conversion efficiencies. Tandem solar cells are receiving more and more attention because they have much higher theoretical efficiency than single-junction solar cells. Good device performance has been achieved for perovskite/silicon and perovskite/perovskite tandem solar cells, including 2-terminal and 4-terminal structures. However, very few studies have been done about 4-terminal inorganic perovskite/organic tandem solar cells. In this work, semi-transparent inorganic perovskite solar cells and organic solar cells are used to fabricate 4-terminal inorganic perovskite/organic tandem solar cells, achieving a power conversion efficiency of 21.25% for the tandem cells with spin-coated perovskite layer. By using drop-coating instead of spin-coating to make the inorganic perovskite films, 4-terminal tandem cells with an efficiency of 22.34% are made. The efficiency is higher than the reported 2-terminal and 4-terminal inorganic perovskite/organic tandem solar cells. In addition, equivalent 2-terminal tandem solar cells were fabricated by connecting the sub-cells in series. The stability of organic solar cells under continuous illumination is improved by using semi-transparent perovskite solar cells as filter.
Journal Article
Silicon solar cells: toward the efficiency limits
Photovoltaic (PV) conversion of solar energy starts to give an appreciable contribution to power generation in many countries, with more than 90% of the global PV market relying on solar cells based on crystalline silicon (c-Si). The current efficiency record of c-Si solar cells is 26.7%, against an intrinsic limit of ~29%. Current research and production trends aim at increasing the efficiency, and reducing the cost, of industrial modules. In this paper, we review the main concepts and theoretical approaches that allow calculating the efficiency limits of c-Si solar cells as a function of silicon thickness. For a given material quality, the optimal thickness is determined by a trade-off between the competing needs of high optical absorption (requiring a thicker absorbing layer) and of efficient carrier collection (best achieved by a thin silicon layer). The efficiency limits can be calculated by solving the transport equations in the assumption of optimal (Lambertian) light trapping, which can be achieved by inserting proper photonic structures in the solar cell architecture. The effects of extrinsic (bulk and surface) recombinations on the conversion efficiency are discussed. We also show how the main conclusions and trends can be described using relatively simple analytic models. Prospects for overcoming the 29% limit by means of silicon/perovskite tandems are briefly discussed.
Journal Article