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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 397-400 |
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Ansari N, Fallah K, Mohebbi E. Increasing the Absorption and the Broadband Absorption TMDCs with Using Photonic Crystals. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :397-400
URL: http://opsi.ir/article-1-2072-en.html
URL: http://opsi.ir/article-1-2072-en.html
1- Department of Physics, Alzahra University, Tehran
Abstract: (1398 Views)
Nowadays transition material dichalcogenide (TMDC) two-dimensional crystals due to direct band gap and a significant absorption in the visible region have been highly regarded in optoelectronic devices. The use of TMDCs in photonic crystals will increase the absorption and performances of them. In this paper, in order to design a structure with high absorption in a wide range of wavelength, TMDCs wrapping impact in three photonic crystals including SiO2, Si3N4 and TMDC has been investigated by using the transfer matrix method. Four TMDCs contains Molybdenum disulfide (MoS2), Molybdenum diselenide (MoSe2), Tungsten disulfide (WS2) and Tungsten diselenide (WSe2) which in best structures we reached to absorption higher than 66% (92%) in range of 400-700 nm (400-530nm).
Keywords: photonic crystals, broadband absorption, Transition material dichalcogenide monolayers, absorption
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