PhotoluminescenceandphotoabsorbanceblueshiftofnanostructuredZnO:Skin-depthquantumtrappingandelectron-phononcoupling,J.W.Li,X.J.Liu,Althoughthesize-andshape-inducedblueshiftinthephotoluminescence(PL)andphotoabsorbance(PA)ofnanostructuredZnOhasbeenextensivelyinvestig