G. Hass, M. Francombe, and R. Hoffman, In Physics of Thin Films, Ch: JL Vossen, ed: Academic Press, New York, 1997.
 D. Jayathilake and T. Nirmal Peiris, Overview on Transparent Conducting Oxides and State of the Art of Low-cost Doped ZnO Systems, SF J Material Chem Eng1 (1), vol. 1004, 2018.
 D. Mattox and V. Mattox, Review of transparent conductive oxides (TCO), in Society of Vacuum Coaters, 2007.
 L. He and S. C. Tjong, Nanostructured transparent conductive films: Fabrication, characterization and applications, Materials Science and Engineering: R: Reports, vol. 109, pp. 1-101, 2016.
 R. Dilimulati, Physical modeling of organic solar cells: a Monte Carlo approach, 2013.
 M. S. White, D. Olson, S. Shaheen, N. Kopidakis, and D. S. Ginley, Inverted bulk-heterojunction organic photovoltaic device using a solution-derived ZnO underlayer, Applied Physics Letters, vol. 89, pp. 143517, 2006.
 B. Seipel, A. Nadarajah, B. Wutzke, and R. Konenkamp, Electrodeposition of ZnO nanorods in the presence of metal ions, Materials Letters, vol. 63, pp. 736-738, 2009.
 Z. L. Wang, Zinc oxide nanostructures: growth, properties and applications, Journal of physics: condensed matter, vol. 16, pp. 829, 2004.
 T. Yang, W. Cai, D. Qin, E. Wang, L. Lan, X. Gong, J. Peng, and Y. Cao, Solution-processed zinc oxide thin film as a buffer layer for polymer solar cells with an inverted device structure, The Journal of Physical Chemistry C, vol. 114, pp. 6849-6853, 2010.
 H. Cheun, C. Fuentes-Hernandez, Y. Zhou, W. J. Potscavage Jr, S. J. Kim, J. Shim, A. Dindar, and B. Kippelen, Electrical and optical properties of ZnO processed by atomic layer deposition in inverted polymer solar cells, The Journal of Physical Chemistry C, vol. 114, pp. 20713-20718, 2010.
 Y. J. Kang, K. Lim, S. Jung, D. G. Kim, J. K. Kim, C. S. Kim, S. H. Kim, and J. W. Kang, Spray-coated ZnO electron transport layer for air stable inverted organic solar cells, Solar Energy Materials and Solar Cells, vol. 96, pp. 137-140, 2012.
 S. K. Chang, P. Y. Ho, H. C. Lee, Y. C. Ho, Y. R. Hong, and C. F. Lin, Enhance carrier transport and efficiency by twice-growth ZnO nanorods in inverted polymer solar cells, in Nanotechnology (IEEE-NANO), 2014 IEEE 14th International Conference on, pp. 558-55, 2014.
 J. W. Lim, D. K. Hwang, K. Y. Lim, M. Kang, S. C. Shin, H. S. Kim, W. K. Choi, and J. W. Shim, ZnO-morphology-dependent effects on the photovoltaic performance for inverted polymer solar cells, Solar Energy Materials and Solar Cells, vol. 169, pp. 28-32, 2017.
 V. Gaddam, R. R. Kumar, M. Parmar, M. Nayak, and K. Rajanna, Synthesis of ZnO nanorods on a flexible Phynox alloy substrate: influence of growth temperature on their properties, RSC Advances, vol, pp. 89985-89992, 2015.
 H. T. Pham, T. D. Nguyen, D. Q. Tran, and M. Akabori, Structural, optical and electrical properties of well-ordered ZnO nanowires grown on (1 1 1) oriented Si, GaAs and InP substrates by electrochemical deposition method, Materials Research Express, vol. 4, pp. 055002, 2017.
 C. Yilmaz, U. Unal, Effect of Zn(NO3)2 concentration in hydrothermal–electrochemical deposition on morphology and photoelectrochemical properties of ZnO nanorods, Applied Surface Science, vol. 368, pp. 456-463, 2016.
 K. S. Shankar and A. Raychaudhuri, Fabrication of nanowires of multicomponent oxides: Review of recent advances, Materials Science and Engineering: C, vol. 25, pp. 738-751, 2005.
 S. Hejazi, H. M. Hosseini, and M. S. Ghamsari, The role of reactants and droplet interfaces on nucleation and growth of ZnO nanorods synthesized by vapor–liquid–solid (VLS) mechanism, Journal of Alloys and Compounds, vol. 455, pp. 353-357, 2008.