Mariana Fraga - Understanding the Role of CVD Nanodiamond Thin Films in Solar Energy Conversion

Document created by Mariana Fraga on Mar 23, 2017
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    M. A. Fraga, L. A. A. Rodriguez, R. S. Pessoa, V. J.   Trava-AiroldiUnderstanding   the Role of CVD Nanodiamond Thin Films in Solar Energy   Conversion. In: Kuan Yew   Cheong. (Org.). Two-Dimensional   Nanostructures for Energy Related Applications. CRC Press/   Taylor & Francis Group, v. 1, p. 152-177, 2016.


  The use of emerging semiconductor materials is fundamental to   achieving competitive solar energy conversion systems with   low cost and high energy conversion efficiency. A variety of   nanostructured thin films has been investigated for   application in devices which convert sunlight directly into   electricity, particularly those based on photovoltaic or   thermionic effect. The challenge of using materials in   thin film form is that the bulk properties can change when   the material is constrained in size. Understanding the thin   films properties and how these properties are affected by   synthesis conditions is critical to the successful implementation   of solar energy conversion devices. It is imperative that   the development of highly efficient conversion devices   depends on the proper material selection. Diamond thin films   exhibit potentially beneficial characteristics to be   employed in photovoltaic and thermionic devices. They   possess a range of superior electronic, optical, mechanical and   chemical properties to outclass competing wide-bandgap   materials. The combination of these properties offers   engineering solutions that can shift performance to new   levels or enable completely new approaches to challenging   problems in different applications. This chapter presents an   overview on the synthesis and properties of CVD diamond   films and on their applications in solar energy conversion. The   basic issues and application challenges are discussed.

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