Di Wang, Zucheng Zhang, Bo Li, Xidong Duan. Synthesis of two-dimensional/one-dimensional heterostructures with tunable width[J]. Journal of Semiconductors, 2021, 42(9): 092001
- Journal of Semiconductors
- Vol. 42, Issue 9, 092001 (2021)
Fig. 1. (Color online) Schematic of a modified bidirectional flow CVD system.
Fig. 2. (Color online) (a) Optical image of monolayer WS2. (b) PL spectrum of WS2. (c) Raman spectrum of WS2. (d) Optical image of WS2 in the yellow rectangle of (a). (e) PL mapping image of monolayer WS2. (f) Raman mapping image of monolayer WS2.
Fig. 3. (Color online) AFM images of WS2/WSe2 lateral heterostructure when the growth time are (a) 5 s, (b) 7 s, (c) 9 s, (d) 11 s, (e) 30 s and (f) 40 s.
Fig. 4. SEM image of the 2D/1D WS2/WSe2 lateral heterostructure.
Fig. 5. (Color online) AFM phase image of WS2/MoS2 lateral heterostructure when the growth time are (a) 3 min, (b) 1 min, and (c) 30 s.
Fig. 6. (Color online) Raman and PL spectrum of WS2/MoS2 and WS2/WSe2 heterostructures. (a) Raman spectrum of the WS2/MoS2 heterostructure. (b) PL spectrum of the WS2/MoS2 heterostructure. (c) Raman spectrum of the WS2/WSe2 heterostructure. (d) PL spectrum of the WS2/WSe2 heterostructure.
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