Germinant ZnO nanorods as a charge-selective layer in organic solar cells
Kunsik Ana,b,**(), Jaehoon Kima, Mohammad Afsar Uddinc, Seunghyun Rheea, Hyeok Kimd, Kyung-Tae Kangb, Han Young Wooc,*(), Changhee Leea,*()

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Fig. 2.. (a) Length profile of the ZnO nanorods (NRs), temperature of precursor solution as a function of growth time and (b) X-ray diffraction (XRD) patterns of the ZnO NRs with respect to growth time (black arrow: ZnO diffraction standards: JCPDS 36-1451) and (c) ratio of (002) peak to (101) peak.