Berweger S., D.M. Nguyen, E.A. Muller, H.A. Bechtel, T.T. Perkins, and M.B. Raschke, Journal Of The American Chemical Society 135, 18292-18295 (2013).
Churnside A.B., R.M.A. Sullan, D.M. Nguyen, S.O. Case, M.S. Bull, G.M. King, and T.T. Perkins, Nano Letters 12, 3557-3561 (2012).
and 
and 