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Page 10 of 20 Dang et al. Chem Synth 2023;3:14 https://dx.doi.org/10.20517/cs.2022.33

Figure 5. (A) Room temperature UV-vis absorption spectrum [72] ; Copyright 2010, American Chemical Society. (B) (i) UV-vis
absorption spectrum; (ii) Fluorescence spectra with an excitation wavelength of 260 nm [58] ; Copyright 2017, Wiley-VCH. (C) (i) Band
structure; (ii) and (iii) Band contour for the bottom conduction band (upper panel) and the top valence band (lower panel) in the first
[61] [73]
Brillouin zone ; Copyright 2019; IOP Publishing. (D) Total and orbital-projected density of states (DOS) for Se ; Copyright 2019,
American Physical Society. (E) Transfer curves of a Se nanosheet phototransistor measured under various laser irradiation powers at
[57]
V = 3 V ; Copyright 2017, American Chemical Society. (F) Photocurrent as a function of laser illumination power measured from
ds
[77]
voltage of -10 V to 10 V ; Copyright 2017, Optical publishing group. (G) Photo response behaviors under lasers with various
[78]
wavelengths and various laser power densities of dark and levels in 0.5 M KOH at a bias voltage of 0.6 V ; Copyright 2020, Royal
[81]
society of chemistry. (H) J-V curves of Se-devices annealed at different specific temperatures ; Copyright 2019, Wiley-VCH.
(I) (i) Schematic showing the deformed Se nanowire chain and the origin of the piezoelectric polarization; (ii) Short-circuit current (I )
sc
[85]
of Se-PENGs ; Copyright 2015, Elsevier.