Abstract
Facile ionothermal method has been employed to synthesize One-dimensional (1-D) mixed phase TiO2 nanorods (NRs) using ionic liquid as the reaction medium. The PXRD pattern reveals the formation of mixed phase TiO2 having 68.3% of anatase and 31.7% rutile phase with average crystallite size of ~ 10 nm. TEM images depict the average thickness of TiO2 NRs are in the range 50–100 nm. The 1-D mixed phase TiO2 NRs showed 5 times better hydrogen production activity than P-25 in the water-glycerol mixture under solar light irradiation. The reason could be the synergetic effect and unique optical properties of 1-D anatase–rutile TiO2 mixed-phase system.
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Acknowledgements
Dr. G. Nagaraju and Manukumar K.N. greatly thank ISRO-RESPOND (Project No. ISRO/RES/3/661/2014-15 Dated 14-07-2014) Govt. of India for sanctioning the project and financial assistance. Also acknowledges DST-Nanomission (SR/NM/NS-1262/2013), Govt. of India, New Delhi, for financial support to procure X-ray diffractoemter.
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Manukumar, K.N., Nagaraju, G., Praveen Kumar, D. et al. Facile ionothermal synthesis of TiO2 nanorods for photocatalytic H2 generation. J Mater Sci: Mater Electron 30, 1076–1083 (2019). https://doi.org/10.1007/s10854-018-0376-3
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DOI: https://doi.org/10.1007/s10854-018-0376-3