Αποτελέσματα Αναζήτησης
Fast and Efficient Preparation of Exfoliated 2H MoS 2 Nanosheets by Sonication-Assisted Lithium Intercalation and Infrared Laser-Induced 1T to 2H Phase Reversion
17 Ιαν 2012 · Using the first-principles calculations, we explore the electronic structures of 2H-M X 2 (M = Mo, W; X = S, Se, Te). When the number of layers reduces to a single layer, the indirect gap of bulk becomes a direct gap with larger gap and the band curvatures are found to lead to the drastic changes of effective masses.
We found four different phase stages, including two different types of coexistence phase of both 2H and 1 T’ phases, 100% 2H phase, 100% 1T’ phase, would emerge relying on the adopted ...
2 Ιουν 2019 · Here, we employ the common hydrothermal method, followed by an additional solvothermal method to construct an uncommon molybdenum disulfide with two crystal forms of 1T and 2H to improve...
1 Ιαν 2022 · We studied the structural and electronic properties of 2H-MX 2 (M = Mo; X = S, Se, Te) monolayer using DFT calculations implanted in the SIESTA code. The band gap engineering of all monolayers is also carried out using strain effect.
2 (M is a transition metal and X is a chalcogen) sandwiches depending on coordination of the transition metal atom by the chalcogens.1 In 1T-MX 2 the coordination is octahedral, whereas in 2H-MX 2 it is trigonal prismatic. The M-X bonds are strongly covalent, but the sandwich layers are coupled only by weak van der Waals
13 Ιουν 2016 · The excellent catalytic activity of metallic MoS 2 edges for the hydrogen evolution reaction (HER) has led to substantial efforts towards increasing the edge concentration. The 2H basal plane...
