Li, Z.; Yang, W. C.; Losovyj, Y.; Chen, J.; Xu, E. Z.; Liu, H. M.; Werbianskyj, M.; Fertig, H. A.; Ye, X. C.; Zhang, S. X. Large-size niobium disulfide nanoflakes down to bilayers grown by sulfurization. Nano Research (2018) 11, 5978–5988. DOI:10.1007/s12274-018-2111-z.
