One-dimensional（ID） In2O3（ZnO）m superlattice nanobelts are synthesized by a chemical vapor deposition method.The formation of the In2O3（ZnO）m superlattice is verified by the high-resolution transmission electron...One-dimensional（ID） In2O3（ZnO）m superlattice nanobelts are synthesized by a chemical vapor deposition method.The formation of the In2O3（ZnO）m superlattice is verified by the high-resolution transmission electron microscopy images.The typical zigzag boundaries could be clearly observed.An additional peak at 614 cm^-1 is found in the Raman spectrum,which may correspond to the superlattice structure.The study about the electrical transport properties reveals that the In2O3（ZnO）m nanobelts exhibit peculiar nonlinear I-V characteristics even under the Ohmic contact measurement condition,which are different from the Ohmic behaviors of the In-doped ZnO nanobelts.The photoelectrical measurements show the differences in the photocurrent property between them,and their transport mechanisms are also discussed.展开更多
基金supported by the National Natural Science Foundation of China(Grant No.51172058)the Key Project of the Science Technology and Research Project of Education Bureau,Heilongjiang Province,China(Grant No.12521z012)the Natural Science Foundation of Heilongjiang Province for Returned Chinese Scholars,China(Grant No.LC2013C17)
文摘One-dimensional（ID） In2O3（ZnO）m superlattice nanobelts are synthesized by a chemical vapor deposition method.The formation of the In2O3（ZnO）m superlattice is verified by the high-resolution transmission electron microscopy images.The typical zigzag boundaries could be clearly observed.An additional peak at 614 cm^-1 is found in the Raman spectrum,which may correspond to the superlattice structure.The study about the electrical transport properties reveals that the In2O3（ZnO）m nanobelts exhibit peculiar nonlinear I-V characteristics even under the Ohmic contact measurement condition,which are different from the Ohmic behaviors of the In-doped ZnO nanobelts.The photoelectrical measurements show the differences in the photocurrent property between them,and their transport mechanisms are also discussed.
