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Physics and Technology of Amorphous-Crystalline Heterostructure Silicon Solar Cells
Today’s solar cell multi-GW market is dominated by crystalline silicon (c-Si) wafer technology, however new cell concepts are entering the market. One very promising solar cell design to answer these needs is the silicon hetero-junction solar cell, of which the emitter and back surface field are basically produced by a low temperature growth of ultra-thin layers of amorphous silicon. In this design, amorphous silicon (a-Si:H) constitutes both „emitter“ and „base-contact/back surface field“ on both sides of a thin crystalline silicon wafer-base (c-Si) where the electrons and holes are photogenerated; at the same time, a-Si:H passivates the c-Si surface. Recently, cell efficiencies above 23% have been demonstrated for such solar cells. In this book, the editors present an overview of the state-of-the-art in physics and technology of amorphous-crystalline heterostructure silicon solar cells. The heterojunction concept is introduced, processes and resulting properties of the materials used in the cell and their heterointerfaces are discussed and characterization techniques and simulation tools are presented.
Physics and Technology of Amorphous-Crystalline Heterostructure Silicon Solar Cells
Today’s solar cell multi-GW market is dominated by crystalline silicon (c-Si) wafer technology, however new cell concepts are entering the market. One very promising solar cell design to answer these needs is the silicon hetero-junction solar cell, of which the emitter and back surface field are basically produced by a low temperature growth of ultra-thin layers of amorphous silicon. In this design, amorphous silicon (a-Si:H) constitutes both „emitter“ and „base-contact/back surface field“ on both sides of a thin crystalline silicon wafer-base (c-Si) where the electrons and holes are photogenerated; at the same time, a-Si:H passivates the c-Si surface. Recently, cell efficiencies above 23% have been demonstrated for such solar cells. In this book, the editors present an overview of the state-of-the-art in physics and technology of amorphous-crystalline heterostructure silicon solar cells. The heterojunction concept is introduced, processes and resulting properties of the materials used in the cell and their heterointerfaces are discussed and characterization techniques and simulation tools are presented.
Sustainable Energy and Fuels
Sustainability refers to the concept that all people should be able to meet their basic needs indefinitely, without compromising future generations. Sustainability, in terms of energy, embraces the same principles. One day the world will run out of fossil fuels. We need to realize how important sustainable energy is and its significance when it comes to the future of our planet. Sustainable energy includes any energy source that cannot be depleted and can remain viable forever. It does not need to be renewed or replenished; sustainable energy meets our demand for energy without any risk of failing or running out. This is why sustainable energy is the answer to our energy needs. Furthermore, ...
Fundamentals of Solar Cell Design
Solar cells are semiconductor devices that convert light photons into electricity in photovoltaic energy conversion and can help to overcome the global energy crisis. Solar cells have many applications including remote area power systems, earth-orbiting satellites, wristwatches, water pumping, photodetectors and remote radiotelephones. Solar cell technology is economically feasible for commercial-scale power generation. While commercial solar cells exhibit good performance and stability, still researchers are looking at many ways to improve the performance and cost of solar cells via modulating the fundamental properties of semiconductors. Solar cell technology is the key to a clean energy f...
Films, Graphic Novels & Visuals
This book brings together two main disciplines, namely cultural studies and language education - both of which share a long standing interest in films, multimodal text-forms, and visuals. It highlights the increasing impact of visuals and multimodal texts on our perception of the world, our discourse behavior, and how this calls for a change in methodologies and media to be used in foreign language classrooms. The book helps to orientate educators in schools and teachers at universities within the broad concept of a multiliteracies approach and to contextualize it with regard to teaching and learning English as a foreign language. (Series: Foreign Language Teaching in Global Perspective / Fremdsprachendidaktik in Globaler Perspektive - Vol. 2)
Contemporary Perspectives on Language, Culture and Identity in Anglo-American Contexts
This collection of essays highlights the great variety one finds in contemporary scholarly discourse in the fields of English and American studies and English linguistics in a broad and inclusive way. It is divided into thematically structured sections, the first two of which examine the motif of travelling and images of recollection in literary works, while the third and the fourth parts deal with male and female voices in narratives. Another chapter discusses visual and textual representations of history. The last two subsections focus on the rhetorical and theoretical questions of language. The pluralism of themes indicated in the book’s title can thus be regarded not as a limitation, but, rather, as evidence of its potential.
The Cambridge Companion to British Black and Asian Literature (1945–2010)
This Companion offers a comprehensive account of the influence of contemporary British Black and Asian writing in British culture. While there are a number of anthologies covering Black and Asian literature, there is no volume that comparatively addresses fiction, poetry, plays and performance, and provides critical accounts of the qualities and impact within one book. It charts the distinctive Black and Asian voices within the body of British writing and examines the creative and cultural impact that African, Caribbean and South Asian writers have had on British literature. It analyzes literary works from a broad range of genres, while also covering performance writing and non-fiction. It offers pertinent historical context throughout, and new critical perspectives on such key themes as multiculturalism and evolving cultural identities in contemporary British literature. This Companion explores race, politics, gender, sexuality, identity, amongst other key literary themes in Black and Asian British literature. It will serve as a key resource for scholars, graduates, teachers and students alike.
Hybrid Perovskite Solar Cells
Unparalleled coverage of the most vibrant research field in photovoltaics! Hybrid perovskites, revolutionary game-changing semiconductor materials, have every favorable optoelectronic characteristic necessary for realizing high efficiency solar cells. The remarkable features of hybrid perovskite photovoltaics, such as superior material properties, easy material fabrication by solution-based processing, large-area device fabrication by an inkjet technology, and simple solar cell structures, have brought enormous attentions, leading to a rapid development of the solar cell technology at a pace never before seen in solar cell history. Hybrid Perovskite Solar Cells: Characteristics and Operation...
