Template-directed fabrication of vertically aligned Cu2ZnSnS4 nanorod arrays for photoelectrochemical applications via a non-toxic solution process
作者： Jimin Kim , Wooseok Yang , Yunjung Oh , Joosun Kim , Jooho Moon
DOI: 10.1016/J.JALLCOM.2016.08.293
关键词: CZTS 、 Nanostructure 、 Nanotechnology 、 Chemical bath deposition 、 Materials science 、 Kesterite 、 Fabrication 、 Optoelectronics 、 Solution process 、 Photocurrent 、 Nanorod
摘要: Cu2ZnSnS4 (CZTS), which is non-toxic and abundantly available, a promising material for fabricating inexpensive large-scale photoelectrochemical (PEC) devices. With the current rapid developments in nanotechnology, one-dimensional (1D) semiconductor nanostructures have been widely investigated because of their short transport distance photogenerated carriers, large specific surface areas, efficient optical absorption, all are advantageous features. However, PEC devices based on vertical arrays 1D CZTS not yet realized. In this study, we report fabrication vertically aligned nanorod using an anodic aluminum oxide template-assisted solution process. The nanorods exhibit relatively pure phase with kesterite structure cathodic photocurrent response. surfaces were decorated either ZnS or CdS via chemical bath deposition to increase positive flat band potential. By analyzing potential, gained insight into effect alignment between p-type n-type material.
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