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Fig. 1.
Fig. 1. (a) Schematic of the chemical composition of bulk-type MoS2 formation from (NH4)2 [Mo3S13]. (Reprinted with permission from [18] (A. Giri et al., Adv. Mater. 30, 1707577 (2018)), © 2020, John Wiley and Sons). Optical microscope image of rod-type MoS2 (right). (Reprinted with permission from [43] (Z. Huang et al., Angew. Chem. Int. Ed. Engl. 54, 15181 (2015)), © 2020, Elsevier). (b) Schematic representation of the synthesis of thin-film MoS2 via two-step thermolysis from (NH4)2[MoS4]. (Reprinted with permission from [44] (T. Zhang et al., Chem. Asian J. 11, 1392-2398 (2016)), © 2020, John Wiley and Sons). Optical microscopic image of synthesized MoS2 thin film on SiO2/Si substrate (right). (c) Raman spectra of two-step thermally decomposed MoS2 under Ar or Ar+S atmosphere. (d) Energies of the two characteristic peaks: Variation of the spacing between E2g and A1g with number of MoS2 layers. (e) PL intensity of the thermally decomposed triple layered MoS2 film. (f) XPS spectra of the thermally decomposed MoS2 film: Mo 3d and S 2s peaks. (Reprinted with permission from [27] (Liu et al., Nano Letters 12, 1538-1544 (2012)), © 2020, American Chemical Society). (g) Surface topographic images (insets) and cross-sectional height profile of the thermally decomposed MoS2 with thickness modulation by adjusting (NH4)2[MoS4] concentration. (Reprinted with permission from [20] (H. Yang et al., Nanoscale 7, 9311-9319 (2015)), © 2020, Royal Society of Chemistry).
Applied Science and Convergence Technology 2020;29:133~142
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