Photoluminescence and photocatalytic properties of rhombohedral CuGaO2 nanoplates

Scientific Reports

Volumn 6, Issue , 2016, Pages

  Shi, Linlin ^a,b   Wang, Fei ^a   Wang, Yunpeng ^a   Wang, Dengkui ^a,b   Zhao, Bin ^a,b   Zhang, Ligong ^a   Zhao, Dongxu ^a   Shen, Dezhen ^a  

^a CHANGCHUN INSTITUTE OF OPTICS   (China)

^b UNIVERSITY OF CHINESE ACADEMY OF SCIENCES   (China)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84959036350     PISSN: None     EISSN: 20452322     Source Type: Journal    
DOI: 10.1038/srep21135     Document Type: Article

References (31)

1. Kawazoe, H. et al. P-type electrical conduction in transparent thin films of CuAlO2. Nature 389, 939-942 (1997).
2. Pellicer-Porres, J. et al. On the band gap of CuAlO2 delafossite. Appl. Phys. Lett. 88, 181904 (2006).
3. Kumar, M., Zhao, H., Persson, C. Study of band-structure, optical properties and native defects in AIBIIIO2 (AI+AD0-Cu or Ag, BIII+AD0-Al, Ga or In) delafossites. Semicond. Sci. Technol. 28, 065003 (2013).
4. Forticaux, A., Hacialioglu, S., DeGrave, J. P., Dziedzic, R., Jin, S. Three-dimensional mesoscale heterostructures of ZnO nanowire arrays epitaxially grown on CuGaO2 nanoplates as individual diodes. ACS Nano 9, 8224-8232 (2013).
5. Ling, B. et al. Color tunable light-emitting diodes based on p+Si8-CuAlO2/n-ZnO nanorod array heterojunctions. Appl. Phys. Lett. 97, 013101 (2010).
6. Wang, J. et al. Solution synthesized p-type copper gallium oxide nanoplates as hole transport layer for organic photovoltaic devices. J. Phys. Chem. Lett. 6, 1071-1075 (2015).
7. Liu, Q. J., Liu, Z. T., Chen J. C., Feng, L. P., Tian, H. First-principles study of structural, mechanical, electronic and optical properties of 3R-and 2H-CuGaO2. Physica B 406, 3377-3382 (2011).
8. Han, M. J. et al. Temperature dependent phonon evolutions and optical properties of highly c-axis oriented CuGaO2 semiconductor films grown by the sol-gel method. Appl. Phys. Lett. 99, 131104 (2011).
9. Yu, M. Z., Draskovic, T. I., Wu, Y. Y. Cu(I)-based delafossite compounds as photocathodes in p-type dye-sensitized solar cells. Phys. Chem. Chem. Phys. 16, 5026-5033 (2014).
10. Yu, M. Z., Natu, G., Ji, Z. Q., Wu, Y. Y. P-type dye-sensitized solar cells based on delafossite CuGaO2 nanoplates with saturation photovoltages exceeding 460 mV. J. Phys. Chem. Lett. 3, 1074-1078 (2012).
11. Xu, Z. et al. Remarkable photocurrent of p-type dye-sensitized solar cell achieved by size controlled CuGaO2 nanoplates. J. Mater. Chem. A 2, 2968-2976 (2014).
12. Renaud, A. L. et al. Impact of Mg doping on performances of CuGaO2 based p-type dye-sensitized solar cells. J. Phys. Chem. C 118, 54-59 (2014).
13. Marschall, R. Semiconductor composites: Strategies for enhancing charge carrier separation to improve photocatalytic activity. Adv. Funct. Mater. 24, 2421-2440 (2014).
14. Srinivasan, R. et al. Tuning the size and color of the p-type wide band gap delafossite semiconductor CuGaO2 with ethylene glycol assisted hydrothermal synthesis. J. Mater. Chem. 18, 5647-5653 (2008).
15. Yu, M. Z., Draskovic, T. I., Wu, Y. Y. Understanding the crystallization mechanism of delafossite CuGaO2 for controlled hydrothermal synthesis of nanoparticles and nanoplates. Inorg. Chem. 53, 5845-5851 (2014).
16. Gillen, R., Robertson, J. Band structure calculations of CuAlO2, CuGaO2, CuInO2, and CuCrO2 by screened exchange. Phys. Rev. B 84, 035125 (2011).
17. Wu, K. W., He, H. P., Lu, Y. F., Huang, J. Y., Ye, Z. Z. Dominant free exciton emission in ZnO nanorods. Nanoscale 4, 1701-1705 (2012).
18. Nie, X. l., Wei, S. H., Zhang, S. B. Bipolar doping and band-gap anomalies in delafossite transparent conductive oxides. Phys. Rev. L 88, 066405 (2002).
19. Scanlon, D. O., Watson, G. W. Conductivity limits in CuAlO2 from screened-hybrid density functional theory. J. Phys. Chem. Lett. 1, 3195-3199 (2010).
20. Fang, M. et al. Optical properties of p-type CuAlO2 thin film grown by rf magnetron sputtering. Applied Surface Science 257, 8330-8333 (2011).
21. Tate, J. et al. Origin of p-type conduction in single-crystal CuAlO2. Phys. Rev. B 80, 165206 (2009).
22. Byrne, D., Cowley, A., Bennett, N., McGlynn, E. The luminescent properties of CuAlO2. J. Mater. Chem. C 2, 7859-7868 (2014).
23. Xu, X. J. et al. Controlled growth from ZnS nanoparticles to ZnS-CdS nanoparticle hybrids with enhanced photoactivity. Adv. Funct. Mater. 25, 445-454 (2015).
24. Foygel, M., Brenden, E., Seguin, J. H., Osipov, V. V. Sub-bandgap optical electro-absorption in the field of a P-N junction. phys. stat. sol.(b) 203, 255-263 (1997).
25. Li, X. N. et al. A templated method to Bi2WO6 hollow microspheres and their conversion to double-shell Bi2O3/Bi2WO6 hollow microspheres with improved photocatalytic performance. Inorg. Chem. 51, 6245-6250 (2012).
26. Katahara, J. K., Hillhouse, H. W. Quasi-fermi level splitting and sub-bandgap absorptivity from semiconductor photoluminescence. J. Appl. Phys. 116, 173504 (2014).
27. Liu, L. M., Yang, W. Y., Li, Q., Gao, S. A., Shang, J. K. Synthesis of Cu2O nanospheres decorated with TiO2 nanoislands, their enhanced photoactivity and stability under visible Light illumination, and their post-illumination catalytic memory. Appl. Mater. Interfaces 6, 5629-5639 (2014).
28. Lin, J. J. et al. Nano-p-n junctions on surface-coarsened TiO2 nanobelts with enhanced photocatalytic activity. J. Mater. Chem. 21, 5106-5113 (2011).
29. Lu, M. X. et al. p-MoO3 nanostructures/n-TiO2 nanofiber heterojunctions: controlled fabrication and enhanced photocatalytic properties. Appl. Mater. Interfaces 6, 9004-9012 (2014).
30. Tian, Q. Y. et al. Tube-like ternary ? ?Fe2O3+AEA-SnO2+AEA-Cu2O Sandwich heterostructures: synthesis and enhanced photocatalytic properties. Appl. Mater. Interfaces 6, 13088-13097 (2014).
31. Peng, Y. et al. Novel one-dimensional Bi2O3-Bi2WO6 p-n hierarchical heterojunction with enhanced photocatalytic activity. J. Mater. Chem. A 2, 8517-8624 (2014).