Nanotechnology and Photovoltaic Devices (eBook, PDF)

Light Energy Harvesting with Group IV Nanostructures
Redaktion: Valenta, Jan; Mirabella, Salvo

• Format: PDF

Produktbeschreibung

Silicon is an abundant element and is produced in large quantities for the electronic industry. The falling price of this commodity also feeds the growth of solar photovoltaics (PV). However, solar cells (SCs) based on bulk semiconductors have quite limited maximum attainable performance. Therefore, new principles and materials are being investigat

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Produktdetails

• Verlag: Taylor & Francis eBooks
• Seitenzahl: 446
• Erscheinungstermin: 1. Juni 2015
• Englisch
• ISBN-13: 9789814463645
• Artikelnr.: 43073350

Autorenporträt

Jan Valenta is professor of quantum optics and optoelectronics at the Department of Chemical Physics and Optics, Charles University, Prague. His research is oriented toward optical properties of semiconductor nanostructures, especially silicon. He is developing special spectroscopy set-ups and methods to measure photo- and electroluminescence spectra (down to single nano-objects), optical gain, and absolute quantum yields. His other interests include the history of science, scientific photography, and science-for-art applications. He is co-author (with I. Pelant) of the textbook Luminescence Spectroscopy of Semiconductors (Oxford, 2012). Salvo Mirabella received his laurea (1999) and PhD (2003) in physics from the University of Catania, Italy, and is now researcher at the Institute for Microelectronics and Microsystems, National Council of Research (CNR IMM), Italy. His research activity is mainly experimental, focusing on group IV advanced materials for applications in photovoltaics (light absorption mechanisms in Si- or Ge-based nanostructures, sunlight-energy conversion, and transparent conductive electrodes) and microelectronics (point-defect engineering and dopant diffusion in crystalline or amorphous semiconductors and ion beam modification of materials).

Inhaltsangabe

Introduction to photovoltaics and potential applications of group IV
nanostructures. Dielectric function and spectrophotometry: from bulk to
nanostructures. Ab initio calculations of the electronic and optical
properties of group IV semiconductor nanostructures embedded in different
matrices. Silicon nanoclusters embedded in dielectric matrices: nucleation,
growth, crystallization, defects. Excited-state relaxation in group IV
nanocrystals investigated using optical methods. Carrier multiplication in
isolated and interacting silicon nanocrystals. The introduction of majority
carriers into group IV nanocrystals. Electrical transport in Si-based
nanostructured superlattices. Ge nanostructures for harvesting and
detection of light. Application of surface-engineered silicon nanocrystals
with quantum confinement and carbon nanomaterials in solar cells. Prototype
PV cells with Si nanoclusters.