18 July 2000 New concept of transient functionally graded material for thermoelectric power conversion
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Abstract
We suggest a new concept of the transient functionally graded materials for power conversion from the infrared and/or optical radiation. By illuminating homogeneous material with space-time modulated radiation, an array of thermoelectric and photoelectric devices (thermoelements and photoelements) can be created. These arrays can generate electric current. The proposed TFGM concept is the extension of a known FGM method. It potentially has an advantage of higher conversion efficiency due to transient nature of power conversion. The theory of TFGM for thermoelectric and pyroelectric materials was developed. It describes the generation of both AC and DC electric currents, and the application of the developed theory for a self-powered vibration sensing is discussed also.
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Nickolai V. Kukhtarev, Tatiana V. Kukhtareva, E. W. Ward, Jeanette Jones, Ruth D Jones, Paul I. Shnitser, "New concept of transient functionally graded material for thermoelectric power conversion", Proc. SPIE 4042, Enabling Photonic Technologies for Aerospace Applications II, (18 July 2000); doi: 10.1117/12.391906; https://doi.org/10.1117/12.391906
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