The study on two different design and fabrication of visible light photodetection based on In2Se3-WS2 heterojunction

Rhodamine 6G/Transition Metal Dichalcogenide Hybrid Nanoscrolls for Enhanced Optoelectronic Performance

“…The supporting information is available free of charge at , The optical microscopy (OM) images of R6G/MoS 2 nanoscrolls prepared using NaHCO 3 solution, ethanol and water; OM images of R6G/MoS 2 nanoscrolls prepared by ammonia/ethanol mixed solutions with volume ratios of 1:1, 3:1 and 5:1; the atomic force microscope (AFM) images of R6G/MoS 2 nanosheets with the immersion time at 1 min, 3 min, 5 min, 7 min, 10 min, 30 min, and 60 min; HR-TEM image of R6G/MoS 2 nanoscrolls and the energy dispersive spectroscopy analysis on the distribution of S, Mo, and Cl elements; the output curves of MoS 2 , 5.0 mM R6G/MoS 2 nanosheets and nanoscrolls with gate voltage ranging from −2 V to 2 V at a step of 0.8 V; the light response time, recovery time of MoS 2 nanosheets, 5.0 mM R6G/MoS 2 nanosheets, MoS 2 nanoscrolls and 5.0 mM R6G/MoS 2 nanoscrolls under 405 nm, 532 nm lasers; the I ds -V ds curves of MoS 2 nanosheets, 5.0 mM R6G/MoS 2 nanosheets, MoS 2 nanoscrolls and 5.0 mM R6G/MoS 2 nanoscrolls under 405 nm, 532 nm lasers; the photocurrent and photoresponsivity of R6G/MoS 2 and R6G/WS 2 nanosheets as well as nanoscrolls as a function of laser power density under 405 nm and 532 nm lasers; mechanistic explanation of optoelectronic performance enhancement. References [ 20 , 48 , 49 , 50 , 51 ] are cited in the supplementary materials.…”