J.  Debgupta, Devarapalli, R. Reddy, Rahman, S., Shelke, M. V., and Pillai, V. K., ?Electrochemical preparation of vertically aligned, hollow CdSe nanotubes and their p-n junction hybrids with electrodeposited Cu2O?, Nanoscale, vol. 6, no. 15, pp. 9148-9156, 2014.