Home News Press Releases MPIE material testers are the best in NRW Publications of Kulpreet S. Virdi All genres Journal Article (1) Journal Article (1) 1. Journal Article Virdi, K. S.; Kauffmann, Y.; Ziegler, C.; Ganter, P.; Blaha, P.; Lotsch, B. V.; Kaplan, W. D.; Scheu, C.: Band gap extraction from individual two-dimensional perovskite nanosheets using valence electron energy loss spectroscopy. The Journal of Physical Chemistry C 120 (20), pp. 11170 - 11179 (2016) MPG.PuRe DOI