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Energies 2019, 12(3), 353; https://doi.org/10.3390/en12030353

The Characterization of a Spectrum Splitter of TechSpec AOI 50.0mm Square Hot and Cold Mirrors Using a Halogen Light for a Photovoltaic-Thermoelectric Generator Hybrid

1
Department of Mechanical Engineering, Universitas Hasanuddin, Gowa 92171, Sulawesi Selatan, Indonesia
2
Department of Electrical Engineering, Universitas Hasanuddin, Gowa 92171, Sulawesi Selatan, Indonesia
3
Department of Mechanical Engineering, Universitas Tadulako, Palu 94118, Sulawesi Tengah, Indonesia
*
Author to whom correspondence should be addressed.
Received: 23 December 2018 / Revised: 20 January 2019 / Accepted: 21 January 2019 / Published: 23 January 2019
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Abstract

The characterization of a spectrum splitter of both hot and cold mirror, type TechSpec AOI 50.0, using a 50-Watt halogen bulb light has been done. Both the bulb spectrum, prior to and after spectrum splitting, are described in this study to see the degradation of radiation that occurs because partial energy is absorbed by the splitter. This characterization plays an important role in determining the best position of a photovoltaic (PV) and thermoelectric generator (TEG) in a PV-TEG system. The light spectrum was recorded using mini USB spectrometer hardware and Spectragryph version 1.2.8 software as optical spectroscopic software that displays light records coming with wavelength (nm) on the x-axis and light spectrum intensity in arbitrary units (a.u.) on the y-axis. The measurement results show that the light intensity in the visible light region (300–750) nm is more dominant than the intensity in infrared light (>750 nm), so that the PV placement is preferred over TEG. Furthermore, with a cold mirror, PV is more suitable if placed in a position to receive reflected light, while using a hot mirror is more suitable in the position transmitted light. For TEG, it is placed in a position opposite to PV. As a result, the maximum intensity of the PV light spectrum with cold mirrors is 46.52 a.u at a wavelength of 479.6 nm, while with hot mirrors it is 42.07 a.u with a 457.6 nm wavelength. It can be concluded that the value of the light intensity with a cold mirror is better than that with a hot mirror on the visible light (Vis) spectrum, and the current and voltage are equivalent to the results of the radiation energy area. It was proven that the maximum total output of a hybrid PV-TEG system with Cold Mirror is greater than that with Hot Mirror (100.53 > 68.77) × 10−3 µW. Based on the result of this study, it is recommended that further research can be conducted to increase radiation energy and output power in TEG. View Full-Text
Keywords: spectrum splitter; visible light; near-infra red; hot and cold mirror; halogen bulb spectrum splitter; visible light; near-infra red; hot and cold mirror; halogen bulb
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Piarah, W.H.; Djafar, Z.; Syafaruddin; Mustofa. The Characterization of a Spectrum Splitter of TechSpec AOI 50.0mm Square Hot and Cold Mirrors Using a Halogen Light for a Photovoltaic-Thermoelectric Generator Hybrid. Energies 2019, 12, 353.

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