[1] A FUJISHIMA, K HONDA. Electrochemical photolysis of water at a semiconductor electrode. Nature, 238, 37-38(1972).
[2] S S DHANANJAY, G P VISHWAS, A B ANTHONY. Photocatalytic degradation for environmental applications-a review. Journal of Chemical Technology & Biotechnology, 77, 102-116(2001).
[3] A SHIRZADI, A NEZAMZADEH-EJHIEJ. Enhanced photocatalytic activity of supported CuO-ZnO semiconductors towards the photodegradation of mefenamic acid aqueous solution as a semi real sample. Journal of Molecular Catalysis A Chemical, 411, 222-229(2016).
[4] Zhumei WANG, Yueming LI, Runhua LIAO. Preparation and photocatalytic properties of NiO/TiO2 nanotubes by hydrothermal method. Acta Photonica Sinica, 48, 81-87(2019).
[5] V VAIANO, M MATARANGOLO, J J MURCIA. Enhanced photocatalytic removal of phenol from aqueous solutions using ZnO modified with Ag. Applied Catalysis B Environmental, 225, 197-206(2018).
[6] Peng LI, Zhe WEI, Tong WU. Au-ZnO hybrid nanopyramids and their photocatalytic properties. Journal of the American Chemical Society, 133, 5660-5663(2011).
[7] Yuanyou WANG, Tianqing LIU, Qingli HUANG. Synthesis and their photocatalytic properties of Ni-doped ZnO hollow microspheres. Journal of Materials Research, 31, 2317-2328(2016).
[8] S P MARDIKAR, S KULKARNI, P V ADHYAPAK. Sunlight driven highly efficient degradation of methylene blue by CuO-ZnO nanoflowers. Journal of Environmental Chemical Engineering, 8, 102788(2020).
[9] Hairui LIU, Xia HE, Yanchun HU. One-step hydrothermal synthesis of In2O3-ZnO heterostructural composites and their enhanced visible-light photocatalytic activity. Materials Letters, 131, 104-107(2014).
[10] Fa CAO, Ting WANG, Xiaohong JI. Enhanced visible photocatalytic activity of tree-like ZnO/CuO nanostructure on Cu foam. Applied Surface Science, 471, 417-424(2019).
[11] Junshan ZHANG, Linxiao GUO, Pei GAO. Fabrication of CuO films and the study of its photocatalytic properties. Acta Photonica Sinica, 41, 700-703(2012).
[12] A ZAINELABDIN, S ZAMAN, G AMIN. Optical and current transport properties of CuO/ZnO nanocoral p-n heterostructure hydrothermally synthesized at low temperature. Applied Physics A, 108, 921-928(2012).
[13] S KURIAKOSE, D K AVASTHI, S MOHAPATRA. Effects of swift heavy ion irradiation on structural， optical and photocatalytic properties of ZnO-CuO nanocomposites prepared by carbothermal evaporation method. Blstn Journal of Nanotechnology, 6, 928-937(2015).
[14] Shouqiang WEI, Yuye CHEN, Yuyan MA. Fabrication of CuO/ZnO composite films with cathodic co-electrodeposition and their photocatalytic performance. Journal of Molecular Catalysis A Chemical, 331, 112-116(2010).
[15] Xiao LIU, Baosheng DU, Ye SUN. Sensitive room temperature photoluminescence-based sensing of H2S with novel CuO-ZnO nanorods. ACS Applied Materials & Interfaces, 8, 16379-16385(2016).
[16] Fan WU, Hui ZHANG, Wenhui LU. Synthesis of ZnO/CuO composite coaxial nanoarrays by combined hydrothermal-solvothermal method and potential for solar cells. Journal of Composite Materials, 49, 2009-2014(2014).
[17] Gang XIAO, Peng GAO, Longqiang WANG. Ultrasonochemical-assisted synthesis of CuO nanorods with high hydrogen storage ability. Journal of Nanomaterials, 439162(2011).
[18] Mahua WANG, Guangping ZHU, Chunxiang XU. Photoluminescent properties in manganese-doped zinc oxide tetropods. Acta Photonica Sinica, 39, 25-28(2010).
[19] K SAHU, A BISHT, S KURIAKOSE. Two-dimensional CuO-ZnO nanohybrids with enhanced photocatalytic performance for removal of pollutants. Journal of Physics and Chemistry of Solids, 137, 109223(2019).
[20] Liwei WANG, Yanfei KANG, Yao WANG. CuO nanoparticle decorated ZnO nanorod sensor for low-temperature H2S detection. Materials science & Engineering C, 32, 2079-2085(2012).
[21] Xianyu LEI, Yang CAO, Qianlin CHEN. ZIF-8 derived hollow CuO/ZnO material for study of enhanced photocatalytic performance. Colloids and Surfaces A, 568, 1-10(2019).
[22] G R SANKAR, M NAVANEETHAN, G K MANI. Influence of Al doping on the structural， morphological， optical， and gas sensing properties of ZnO nanorods. Journal of Alloys and Compounds, 698, 555-564(2017).
[23] A P RAMBU, L URSU, N IFTIMIE. Study on Ni-doped ZnO films as gas sensors. Applied Surface Sscience, 280, 598-604(2013).
[24] R G MOHAMED, Huiqing FAN, Hailin TIAN. Room-temperature solid state synthesis of Co3O4/ZnO p-n heterostructure and its photocatalytic activity. Advanced Powder Technology, 28, 953-963(2017).
[25] H SIDDIQUI, M S QURESHI, F Z HAGUE. One-step， template-free hydrothermal synthesis of CuO tetrapods. Optik, 125, 4663-4667(2014).
[26] Linhua XU, Jing SU, Gaige ZHENG. Enhanced photocatalytic performance of porous ZnO thin films by CuO nanoparticles surface modification. Materials Science and Engineering, 248, 114405(2019).
[27] Siqi LIU, Chuang HAN, Zirong TANG. Heterostructured semiconductor nanowire arrays for artificial photosynthesis. Materials Horizons, 3, 270-282(2016).
[28] Jianfeng MA, Kai WANG, Liangyin LI. Visible-light photocatalytic decolorization of Orange II on Cu2O/ZnO nanocomposites. Ceramics International, 41, 2050-2056(2015).
[29] Tongqin CHANG, Zijiong LI, Gaoqian YUN. Enhanced photocatalytic activity of ZnO/CuO nanocomposites synthesized by hydrothermal method. Nano-Micro Letters, 5, 163-168(2013).
[30] K RAVICHANDRAN, E SINDHUJA. Photocatalytic efficacy of ZnO films-light intensity and thickness effects. Surface Engineering, 33, 512-520(2017).
