PT Journal AU Quintilla, A Hennrich, F Lebedkin, S Kappes, MM Wenzel, W TI Influence of endohedral water on diameter sorting of single-walled carbon nanotubes by density gradient centrifugation SO Physical Chemistry Chemical Physics PY 2010 BP 902 EP 908 VL 12 IS 4 DI 10.1039/B912847F LA english ER