Search for "optical bandgap" in Full Text gives 29 result(s) in Beilstein Journal of Nanotechnology.
Beilstein J. Nanotechnol. 2016, 7, 862–868, doi:10.3762/bjnano.7.78
Beilstein J. Nanotechnol. 2014, 5, 1235–1244, doi:10.3762/bjnano.5.137
Beilstein J. Nanotechnol. 2013, 4, 726–731, doi:10.3762/bjnano.4.82
Beilstein J. Nanotechnol. 2013, 4, 255–261, doi:10.3762/bjnano.4.27