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Interfacial engineering of CuO nanorod/ZnO nanowire hybrid nanostructure photoanode in dye-sensitized solar cellKilic, BayramTurkdogan, SunayAstam, AykutBaran, Sümeyra SenihaAsgin, MansurGur, EmreKocak, YusufComposite nanomaterialsCuO nanorodsDye-sensitized solar cellsInterface engineeringZnO nanowiresZnO/CuO hybrid structuresCell engineeringConversion efficiencyCopper oxidesCost effectivenessEfficiencyHybrid materialsII-VI semiconductorsNanorodsNanostructuresNanowiresOpen circuit voltageSolar cellsSolar power generationZinc oxidecopper oxidedyeindium tin oxidenanomaterialnanorodnanowireHigh power conversionHybrid structurePhotovoltaic performancePower conversion efficienciesDeveloping efficient and cost-effective photoanode plays a vital role determining the photocurrent and photovoltage in dye-sensitized solar cells (DSSCs). Here, we demonstrate DSSCs that achieve relatively high power conversion efficiencies (PCEs) by using one-dimensional (1D) zinc oxide (ZnO) nanowires and copper (II) oxide (CuO) nanorods hybrid nanostructures. CuO nanorod-based thin films were prepared by hydrothermal method and used as a blocking layer on top of the ZnO nanowires’ layer. The use of 1D ZnO nanowire/CuO nanorod hybrid nanostructures led to an exceptionally high photovoltaic performance of DSSCs with a remarkably high open-circuit voltage (0.764 V), short current density (14.76 mA/cm2 under AM1.5G conditions), and relatively high solar to power conversion efficiency (6.18%). The enhancement of the solar to power conversion efficiency can be explained in terms of the lag effect of the interfacial recombination dynamics of CuO nanorod-blocking layer on ZnO nanowires. This work shows more economically feasible method to bring down the cost of the nano-hybrid cells and promises for the growth of other important materials to further enhance the solar to power conversion efficiency. © 2018, Springer Science+Business Media B.V., part of Springer Nature.Springer Netherlands2018Articlehttps://rdlopen.rawdatalibrary.net/r/ebyu/14060https://doi.org/10.1007/s11051-017-4103-41388-0764enJournal of Nanoparticle Researchinfo:eu-repo/semantics/openAccessinfo:eu-repo/semantics/articlehttps://ebyu-rdlopen.rawdatalibrary.net/tr/items/ebyu/14060