Exciton binding energy in bulk MoS2: A reassessment

• Published in: Applied physics letters Vol. 108; no. 13
• Main Authors: Saigal, Nihit, Sugunakar, Vasam, Ghosh, Sandip
• Format: Journal Article
• Language: English
• Published: Melville American Institute of Physics 28.03.2016
• Subjects: Absorption; Applied physics; Binding energy; Brillouin zones; Computer simulation; Excitons; Molybdenum disulfide; Photoelectric effect; Photoelectric emission; Temperature dependence

Transmittance and photocurrent (PC) spectroscopy has been used to study absorption in bulk 2H-MoS2 at energies close to its direct bandgap at the K-point of the Brillouin zone. Spectral lineshape analysis using the hydrogenic exciton model, together with temperature dependence of absorption and PC s...