[1. Fan, Z., and Lu, J. G. (2005). Zinc oxide nanostructures: synthesis and properties. J Nanosci Nanotechnol. 5 (10), 1561-73. DOI: 10.1166/jnn.2005.182.10.1166/jnn.2005.18216245516]Search in Google Scholar
[2. Xu, S., and Wang, Z. L. (2011). One-dimensional ZnO nanostructures: Solution growth and functional properties. Nano Res. 4 (11). DOI: 10.1007/s12274-011-0160-7.10.1007/s12274-011-0160-7]Search in Google Scholar
[3. Amin, G. (2012). ZnO and CuO Nanostructures: Low Temperature Growth, Characterization, Their Optoelectronic and Sensing Applications. Linköping Studies in Science and Technology, Dissertation, No. 1441.]Search in Google Scholar
[4. Chae, K., Zhang, Q., Kim, J.S., Jeong, Y., and Cao, G. (2010). Low-temperature solution growth of ZnO nanotube arrays. Beilstein J.Nanotechnol 1, 128-134. DOI:10.3762/ bjnano.1.15.10.3762/bjnano.1.15304591421977402]Search in Google Scholar
[5. McCune, M., Zhang, W., and Deng, Y. (2012). High efficiency dye-sensitized solar cells based on three-dimensional multilayered ZnO nanowire arrays with “caterpillar-like” structure. Nano Lett. 12 (7), 3656−3662. DOI: 10.1021/nl301407b.10.1021/nl301407b22731504]Search in Google Scholar
[6. Barreca, D., Bekermann, D., Comini, E., Devi, A., Fischer, R., Gasparotto, A., Maccato, C., Sada, C., Sberveglieric, G., and Tondellod, E. (2010). Urchin-like ZnO nanorod arrays for gas sensing applications. CrystEngComm 12(11), 3419-3421, DOI: 10.1039/ C0CE00139B.]Search in Google Scholar
[7. Guo, X., Zhao, Q., Li, R., Pan, H., Guo, X., Yin, A., and Dai, W. (2010). Synthesis of ZnO nanofowers and their wettabilities and photocatalytic properties. Opt Express 18(17): 18401-6. DOI: 10.1364/OE.18.018401.10.1364/OE.18.01840120721234]Search in Google Scholar
[8. Xi, Y., Song, J., Xu, S., Yang, R., Gao, Z., Hu, C. and Wang, Z. (2009). Growth of ZnO nanotube arrays and nanotube based piezoelectric nanogenerators. J. Mater. Chem. 19(48), 9260-9264. DOI: 10.1039/B917525C.10.1039/b917525c]Search in Google Scholar
[9. Ali, S.M.U., Kashif, M., Ibupoto, Z.H., Fakhar-e-Alam, M., Hashim, U., and Willander, M. (2011). Functionalised zinc oxide nanotube arrays as electrochemical sensors for the selective determination of glucose. Micro & Nano Letters 6(8), 609-613. DOI: 10.1049/ mnl.2011.0310.10.1049/mnl.2011.0310]Search in Google Scholar
[10. Choopun, S., Hongsith, N., and Wongrat, E. (2012), Metal-oxide nanowires for gas sensors. InTech. DOI: 10.5772/54385. 10.5772/54385]Search in Google Scholar
[11. Liu, Y., Zhang, Y., Lei, H., Jingwei, S., Hui, C., and Baojun, L. (2012). Growth of wellarrayed ZnO nanorods on thinned silica fiber and application for humidity sensing. Optic Express 20(17). DOI: 10.1364/OE.20.019404.10.1364/OE.20.01940423038583]Search in Google Scholar
[12. Rahman, M., Ahammad, A. J. S., Jin, J.H., Ahn, S.J., and Lee, J.J. (2010). A comprehensive review of glucose biosensors based on nanostructured metal-oxides. Sensors 10(5), 4855-4886, DOI: 10.3390/s100504855.10.3390/s100504855329215122399911]Search in Google Scholar
[13. Nozaki, S., Sarangi, S.N., Uchida, K., and Sahu, S.N. (2013). Hydrothermal growth of zinc oxide nanorods and glucose-sensor application. Soft Nanoscience Letters 3(4A), 23-26. DOI: 10.4236/snl.2013.34A007.10.4236/snl.2013.34A007]Search in Google Scholar
[14. Fulati, A., Usman Ali, S.M, Riaz, M., Amin, G., Nur, O., and Willander M. (2009). Miniaturized pH sensors based on zinc oxide nanotubes/nanorods. Sensors 9(11), 8911-8923. DOI: 10.3390/s91108911.10.3390/s91108911326062222291545]Search in Google Scholar
[15. Roza, L., Rahman, M.Y.A., Umar, A.A., and Salleh, M.M. (2015). Direct growth of oriented ZnO nanotubes by self-selective etching at lower temperature for photo-electrochemical (PEC) solar cell application. Journal of Alloys and Compounds 618, 153-158. DOI:10.1016/j.jallcom.2014.08.113.10.1016/j.jallcom.2014.08.113]Search in Google Scholar
[16. Han, J., Fan, F., Xu, C., Lin, S., Wei, M., Duan, X., and Wang, L. Z. (2010). ZnO nanotube- based dye-sensitized solar cell and its application in self-powered devices. Nanotechnology 21(40), 405203 (7pp.). DOI:10.1088/0957-4484/21/40/405203.10.1088/0957-4484/21/40/40520320829568]Search in Google Scholar
[17. Luoa, L., Lva, G., Lia, B., Hua, X., Jinb, L., Wang, J., and Tang, Y. (2010). Formation of aligned ZnO nanotube arrays by chemical etching and coupling with CdSe for photovoltaic application. Thin Solid Films 518 (18), 5146-5152. DOI:10.1016/j.tsf.2010.03.014.10.1016/j.tsf.2010.03.014]Search in Google Scholar
[18. Gana, X., Lia, X., Gaoa, X., and Yua, W. (2009). Investigation on chemical etching process of ZnO nanorods toward nanotubes. Journal of Alloys and Compounds 481 (1-2), 397-401. DOI:10.1016/j.jallcom.2009.03.013.10.1016/j.jallcom.2009.03.013]Search in Google Scholar
[19. Xua, S., Laoa, C. Weintrauba, B., and Wang, Z.L. (2008). Density-controlled growth of aligned ZnO nanowire arrays by seedless chemical approach on smooth surfaces J. Mater. Res. 23(8). DOI: http://dx.doi.org/10.1557/JMR.2008.0274.10.1557/JMR.2008.0274]Search in Google Scholar
[20. Baruah, S., and Dutta, J. (2009). Hydrothermal growth of ZnO nanostructures. Sci. Technol. Adv. Mater. 10(1), 013001 (18 pp.). DOI:10.1088/1468-6996/10/1/013001.10.1088/1468-6996/10/1/013001510959727877250]Search in Google Scholar
[21. Kwon, J., Hong, S., Lee, H., Yeo, J., Lee, S., and Hwan Ko, S. (2013). Direct selective growth of ZnO nanowire arrays from inkjet-printed zinc acetate precursor on a heated substrate. Nanoscale Research Letters 8, 489. DOI: 10.1186/1556-276X-8-489.10.1186/1556-276X-8-489384282724252130]Search in Google Scholar
[22. Meen, T.H., Water, W., Chen, Y.S., Chen, W.R., Ji, L.W., and Huang, C.J. (2007). Growth of ZnO nanorods by hydrothermal method under different temperatures. Electron Devices and Solid-State Circuits, 617-620.]Search in Google Scholar
[23. Hsu, J.F, Xi, J.J, and Tam, K.H. (2008). Undoped p-type ZnO nanorods synthesized by a hydrothermal method. Adv. Funct. Mater. 18(7), 1020-1030. DOI: 10.1002/ adfm.200701083.10.1002/adfm.200701083]Search in Google Scholar
[24. Soomro, M.Y., Hussain, I., Bano, N., Jun, Lu, Hultman, L., and Nur, O. (2012). Growth, structural and optical characterization of ZnO nanotubes on disposable-flexible paper substrates by low-temperature chemical method. Journal of Nanotechnology 2012 (01). DOI: 10.1155/2012/251863.10.1155/2012/251863]Search in Google Scholar
[25. Liu, B., and Zeng, H.C. (2009). Direct growth of enclosed ZnO nanotubes. Nano Res 2 (3), 201-209. DOI 10.1007/s12274-009-9018-7.10.1007/s12274-009-9018-7]Search in Google Scholar
[26. Akgun, C.M., Kalay, Y.E., and Unalan, H.E. (2012). Hydrothermal zinc oxide nanowire growth using zinc acetate dihydrate salt. J. Mater. Res. 27 (11). DOI: http://dx.doi.org/10.1557/jmr.2012.92. 10.1557/jmr.2012.92]Search in Google Scholar
[27. Wang, Y., and Cui, Z. (2009). Synthesis and photoluminescence of well aligned ZnO nanotube arrays by a simple chemical solution method. Journal of Physics 152. DOI:10.1088/1742-6596/152/1/012021.10.1088/1742-6596/152/1/012021]Search in Google Scholar
[28. Kwon, J., Hong, S., Lee, H., Yeo, J., Lee, S., and Hwan Ko, S. (2013). Direct selective growth of ZnO nanowire arrays from inkjet-printed zinc acetate precursor on a heated substrate. Nanoscale Research Letters 8, 489.10.1186/1556-276X-8-489384282724252130]Search in Google Scholar
[29. Wang, C., Yin, L., Zhang, L, Xiang, D., and Gao, R. (2010). Metal oxide gas sensors: Sensitivity and influencing factors. Sensors 10, 2088-2106. DOI: 10.3390/s100302088.10.3390/s100302088326446922294916]Search in Google Scholar
[30. Shabaneh, A.A., Girei, S.H., Arasu, P.T., Rashid, S.A., Yunusa, Z, Mahdi, M.A., Paiman, S., Ahmad, M.Z., and Yaacob, M.H. (2014). Reflectance response of optical fiber coated with carbon nanotubes for aqueous ethanol sensing. IEEE Photonic Journal 6 (6). DOI: 10.1109/JPHOT.2014.2363429.10.1109/JPHOT.2014.2363429]Search in Google Scholar
[31. Aryaa, S.K., Sahab, S., Ramirez-Vickc, J.E, Gupta, V., Bhansalid, S., and Singhe, S.P. (2012). Recent advances in ZnO nanostructures and thin films for biosensor applications: Review. Analytica Chimica Acta 737 (1), 21. DOI:10.1016/j.aca.2012.05.048. 10.1016/j.aca.2012.05.04822769031]Search in Google Scholar