Abstract
Undoped and Mn-doped In2O3 films were prepared by radiofrequency magnetron sputtering technique. The effects of Mn doping on the structural and optical properties of as-prepared films were investigated using X-ray diffraction, X-ray photoelectron spectroscopy and ultraviolet–visible spectroscopy. Mn doping can enhance the intensity of (222) peak in Mn-doped In2O3 thin film, indicating Mn dopant promotes preferred orientation of crystal growth along (222) plane. XPS analyses revealed that the doped Mn ions exist at + 2 oxidation states, substituting for the In3+ sites in the In2O3 lattice. UV–Vis measurements show that the optical band gap Eg decreases from 3.33 to 2.87 eV with Mn doping in In2O3, implying an increasing sp–d exchange interaction in the film. Our work demonstrates a practical means to manipulate the band gap energy of In2O3 thin film via Mn impurity doping, and significantly improves the photoelectrochemical activity.
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Jiao, Y., Zhang, X., Zhai, J., Yu, X., Ding, L., Zhang, W.: Bottom-gate amorphous In2O3 thin film transistors fabricated by magnetron sputtering. Electron. Mater. Lett. 9(3), 279 (2013)
Meng, M., Wu, X., Ji, X., Gan, Z., Liu, L., Shen, J., Chu, P.K.: Ultrahigh quantum efficiency photodetector and ultrafast reversible surface wettability transition of square In2O3 nanowires. Nano Res. 10(8), 2772 (2017)
Kim, B.-J., Song, I.-G., Kim, J.-S.: In2O3-based micro gas sensor for detecting NOx gases. Electron. Mater. Lett. 10(2), 509 (2014)
Fujishima, A., Honda, K.: Electrochemical photolysis of water at a semiconductor electrode. Nature 238, 5358 (1972)
Ţalu, S., Stach, S., Raoufi, D., Hosseinpanahi, F.: Film thickness effect on fractality of tin-doped In2O3 thin films. Electron. Mater. Lett. 11(5), 749 (2015)
Zhang, M., Lin, Y., Mullen, T.J., Lin, W.F., Sun, L.D., Yan, C.H., Patten, T.E., Wang, D., Liu, G.Y.: Improving hematite’s solar water splitting efficiency by incorporating rare-earth upconversion nanomaterials. J. Phys. Chem. Lett. 3(21), 3188 (2012)
Fominykh, K., Chernev, P., Zaharieva, I., Sicklinger, J., Stefanic, G., Döblinger, M., Müller, A., Pokharel, A., Böcklein, S., Scheu, C., Bein, T., Fattakhova-Rohlfing, D.: Iron-doped nickel oxide nanocrystals as highly efficient electrocatalysts for alkaline water splitting. ACS Nano 9(5), 5180 (2015)
Liu, G., Wang, K., Gao, X., He, D., Li, J.: Fabrication of mesoporous NiFe2O4 nanorods as efficient oxygen evolution catalyst for water splitting. Electrochim. Act. 211, 871 (2016)
Chang, H.-W., Fu, Y., Lee, W.-Y., Lu, Y.-R., Huang, Y.-C., Chen, J.-L., Chen, C.-L., Wu, C.C., Chen, J.-M., Lee, J.-F., Shen, S., Dong, C.-L.: Visible light-induced electronic structure modulation of Nb- and Ta-doped α-Fe2O3 nanorods for effective photoelectrochemical water splitting. Nanotechnology 29(6), 064002 (2018)
Liu, W.-T., Wu, B.-H., Lai, Y.-T., Tai, N.-H., Perng, T.-P., Chen, L.-J.: Enhancement of water splitting by controlling the amount of vacancies with varying vacuum level in the synthesis system of SnO2−x/In2O3−y heterostructure as photocatalyst. Nano Energy 47, 18 (2018)
Lim, C.-H., Choi, S.-M., Seo, W.-S., Lee, M.-H., Lee, K.H., Park, H.-H.: A study of electrodes for thermoelectric oxides. Electron. Mater. Lett. 9(4), 445 (2013)
Peng, H., Song, J.-H., Hopper, E.M., Zhu, Q., Mason, T.O., Freeman, A.J.: Possible n-type carrier sources in In2O3(ZnO)k. Chem. Mater. 24(1), 106 (2015)
Khan, M.A., Khan, M., Ahamed, M., Alsalhi, M.S., Ahmed, T.: Crystallite structural, electrical and luminescent characteristics of thin films of In2O3 nanocubes synthesized by spray pyrolysis. Electron. Mater. Lett. 9(1), 53 (2013)
Krysa, J., Zlamal, M., Kment, S., Brunclikova, M., Hubicka, Z.: TiO2 and Fe2O3 films for photoelectrochemical water splitting. Molecules 20(1), 1046 (2015)
Xu, R., Li, H., Zhang, W., Yang, Z., Liu, G., Xu, Z., Shao, H., Qiao, G.: The fabrication of In2O3/In2S3/Ag nanocubes for efficient photoelectrochemical water splitting. Phys. Chem. Chem. Phys. 18(4), 2710 (2016)
Zhang, Y., Zhang, J., Nie, M., Sun, K., Li, C., Yu, J.: Photoelectrochemical water splitting under visible light over anti-photocorrosive In2O3-coupling ZnO nanorod arrays photoanode. J. Nanopart. Res. 17(7), 322 (2015)
Rajamanickam, N., Mariammal, R.N., Rajashabala, S., Ramachandran, K.: Effect of (Li, Mn) co-doping on structural, optical and magnetic properties of chunk-shaped nano ZnO. J. Alloy. Compd. 614(2), 151 (2014)
Wang, Y., Zhao, X., Duan, L., Wang, F., Niu, H., Guo, W., Ali, A.: Structure, luminescence and photocatalytic activity of Mg-doped ZnO nanoparticles prepared by auto combustion method. Mat. Sci. Semicon. Proc. 29, 372 (2015)
Wang, C.T., Liang, X.F., Zhang, Y., Liang, X., Zhu, Y.P., Qin, J., Gao, Y., Peng, B., Sun, N.X., Bi, L.: Controlling the magnetic anisotropy in epitaxial Y3Fe5O12 films by manganese doping. Phys. Rev. B 96(22), 224403 (2017)
Singh, N.K., Choudhuri, B., Mondal, A., Dhar, J.C., Goswami, T., Saha, S., Ngangbam, C.: 2D like photonic crystal using In2O3-SiOx heterostructure nanocolumn arrays and humidity sensing. Electron. Mater. Lett. 10(5), 975 (2014)
Maestre, D., MartÍnez de Velasco, I., Cremades, A., Amati, M., Piqueras, J.: Micro- and nanopyramids of manganese-doped indium oxide. J. Phys. Chem. C 114, 11748 (2010)
Farvid, S.S., Dave, N., Wang, T., Radovanovic, P.V.: Dopant-induced manipulation of the growth and structural metastability of colloidal indium oxide nanocrystals. J. Phys. Chem. C 113(36), 15928 (2009)
Jin, Y., Ren, Y., Cao, M.T., Ye, Z.: Doped colloidal ZnO nanocrystals. J. Nanomater 2012, 985326 (2012)
An, Y., Xing, Y., Pan, F., Wu, Z., Liu, J.: Investigation of local structural environments and room-temperature ferromagnetism in (Fe, Cu)-codoped In2O3 diluted magnetic oxide films. Phys. Chem. Chem. Phys. 18(19), 13701–13709 (2016)
Sun, X., Jin, X., Li, M., Guo, R., An, Y., Liu, J.: Investigation of microstructure and photoluminescence of Mn and Co co-doped SiC films. Superlattice Microst. 65, 278 (2014)
Okabayashi, J., Ono, K., Mizuguchi, M., Oshima, M.: X-ray absorption spectroscopy of transition-metal doped diluted magnetic semiconductors Zn1−xMxO. J. Appl. Phys. 95, 3573 (2004)
Panigrahy, B., Aslam, M., Bahadur, D.: Aqueous synthesis of Mn- and Co-Doped ZnO nanorods. J. Phys. Chem. C 114(27), 11758 (2010)
Ilton, E.S., Post, J.E., Heaney, P.J., Ling, F.T., Kerisit, S.N.: XPS determination of Mn oxidation states in Mn (hydr)oxides. Appl. Surf. Sci. 366, 475 (2016)
Apostolov, A.T., Apostolova, I.N., Wesselinow, J.M.: Theoretical study of room temperature ferromagnetism and band gap energy of pure and ion doped In2O3 nanoparticles. J. Magn. Magn. Mater. 456, 263 (2018)
Khatoon, S., Coolahan, K., Lofland, S.E., Ahmad, T.: Optical and magnetic properties of solid solutions of In2−xMnxO3 (0.05, 0.10 and 0.15) nanoparticles. J. Alloys Compd. 545, 162 (2012)
Acknowledgements
This work was supported by the National Natural Science Foundation of China (51702380), the Natural Science Foundation of Henan Province of China (182300410271), Program for Science & Research Innovation Foundation of Zhoukou Normal University (ZKNUA201803) and the Key Technologies R&D Program of Henan Province of China(182102210605).
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Sun, X., Fu, X., You, T. et al. Investigation of Photoelectrochemical Water Splitting for Mn-Doped In2O3 Film. Electron. Mater. Lett. 14, 733–738 (2018). https://doi.org/10.1007/s13391-018-0080-8
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DOI: https://doi.org/10.1007/s13391-018-0080-8