Photocarrier relaxation pathway in two-dimensional semiconducting transition metal dichalcogenides

• Published in: Nature communications Vol. 5; no. 1; p. 4543
• Main Authors: Kozawa, Daichi, Kumar, Rajeev, Carvalho, Alexandra, Kumar Amara, Kiran, Zhao, Weijie, Wang, Shunfeng, Toh, Minglin, Ribeiro, Ricardo M., Castro Neto, A. H., Matsuda, Kazunari, Eda, Goki
• Format: Journal Article
• Language: English
• Published: London Nature Publishing Group UK 29.07.2014; Nature Publishing Group
• Subjects: 140/125; 639/301/119/1000/1018; 639/624/1075/401; Crystals; Humanities and Social Sciences; multidisciplinary; Nesting; Science; Science (multidisciplinary)

Two-dimensional crystals of semiconducting transition metal dichalcogenides absorb a large fraction of incident photons in the visible frequencies despite being atomically thin. It has been suggested that the strong absorption is due to the parallel band or ‘band nesting’ effect and corresponding di...