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Title:Ultrathin mono-crystalline silicon photovoltaic cells with mechanically flexible and stretchable designs, and light-trapping structures
Author(s):Yu, Ki Jun
Advisor(s):Rogers, John A.
Department / Program:Electrical & Computer Eng
Discipline:Electrical & Computer Engr
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Ultra-thin mono-crystalline silicon photovoltaic cells
Abstract:In recent years, research in flexible electronic systems has paid increasing attention to their potential to create and manipulate new classes of applications (e.g., foldable and flexible display, flexible photovoltaic, epidermal electronics, and other systems) that can be integrated outside of conventional wafer-based electronics. With suitable choice of materials and design strategies, inorganic semiconductors (e.g., Si and GaAs) can be used on unconventional substrates for mechanical flexibility and high electrical performance. This thesis presents the fabrication of mono-crystalline silicon micro solar cells by using top-down approaches and a transfer printing technique by elastomeric stamp. I describe four related topics of silicon solar microcells which involve forming structures and assembling them by structured or non-structured elastomeric stamps. Furthermore, this thesis demonstrates a strategy in which modules consist of large-scale arrays of interconnected high-performance ultrathin silicon solar microcells that are mechanically flexible, stretchable, and semitransparent, formed by anisotropic etching of bulk wafers and integrated onto unusual substrates.
Issue Date:2012-09-18
Rights Information:Copyright 2012 Ki Jun Yu
Date Available in IDEALS:2012-09-18
Date Deposited:2012-08

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