Room temperature exciton formation and robust optical properties of CVD-grown ultrathin Bi2O2Se crystals on arbitrary substrates

The appealing success of non-van der Waals (non-VdW) two-dimensional (2D) bismuth oxyselenide (Bi2O2Se) crystals in optoelectronics provides an exciting avenue to investigate their fundamental physical properties. To date, the majority of efforts have focused on understanding the properties of 2D Bi...

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Veröffentlicht in:	Nanoscale 2023-07, Vol.15 (26), p.11222-11236
Hauptverfasser:	Md Tarik Hossain, Tadasha Jena, Nath, Upasana, Sarma, Manabendra, Giri, P K
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorptivity Bismuth Broadband Chemical vapor deposition Conduction bands Crystal growth Crystal lattices Density functional theory Excitons Lattice parameters Mica Nanotechnology devices Optical properties Optoelectronics Photoluminescence Physical properties Refractivity Room temperature Sapphire Silicon dioxide Substrates Temperature dependence Valence band
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