Hostname: page-component-586b7cd67f-dsjbd Total loading time: 0 Render date: 2024-11-28T01:07:46.772Z Has data issue: false hasContentIssue false

Defect-induced optical and electrochemical properties of Pr2Sn2O7 nanoparticles enhanced by Bi3+ doping

Published online by Cambridge University Press:  20 April 2020

Allen Abraham
Affiliation:
Department of Chemistry, University of Texas Rio Grande Valley, Edinburg, Texas 78539, USA
Santosh K. Gupta
Affiliation:
Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai-400085, India
Swati Mohan
Affiliation:
Department of Chemistry, University of Texas Rio Grande Valley, Edinburg, Texas 78539, USA
Hisham Abdou
Affiliation:
Department of Chemistry, University of Texas Rio Grande Valley, Edinburg, Texas 78539, USA
Yuanbing Mao*
Affiliation:
Department of Chemistry, Illinois Institute of Technology, Chicago, Illinois 60616, USA
*
a)Address all correspondence to this author. e-mail: [email protected]
Get access

Abstract

Materials that show superior light-emitting and catalytic properties are in high demand among the scientific community owing to their applications in the areas of optoelectronics and (opto)electrocatalysis. In this work, we have synthesized sub-10-nm Pr2Sn2O7 (PSO) and Pr2Sn2O7:Bi3+ (PSOB) nanoparticles (NPs) and investigated their optical and electrochemical properties. On ultraviolet irradiation, PSO NPs display blue emission because of the presence of oxygen vacancies. Interestingly, PSOB NPs have higher blue emission intensity than undoped PSO NPs owing to the increase in oxygen vacancy defect density induced by Bi3+ doping. Moreover, PSOB NPs display higher efficiency in terms of current density than PSO NPs as a catalyst toward the oxygen evolution reaction (OER). The kinetic OER models of PSO and PSOB NPs are quite different as displayed by their different Tafel slopes. Interestingly and as another advantage, the PSOB sample is more conducting with low impedance value than the PSO counterpart. With all these advantages due to high oxygen vacancies induced by Bi3+ doping, PSOB NPs have a great potential to be used as blue phosphors, charge storage devices, and capacitors.

Type
Article
Copyright
Copyright © Materials Research Society 2020

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Sudarshan, K., Sharma, S.K., Gupta, R., Gupta, S.K., Sayed, F.N., and Pujari, P.K.: Role of surface defects in catalytic properties of CeO2 nanoparticles towards oxygen reduction reaction. Mater. Chem. Phys. 200, 99106 (2017).CrossRefGoogle Scholar
Pathak, N., Gupta, S.K., Prajapat, C.L., Sharma, S.K., Ghosh, P.S., Kanrar, B., Pujari, P.K., and Kadam, R.M.: Defect induced ferromagnetism in MgO and its exceptional enhancement upon thermal annealing: A case of transformation of various defect states. Phys. Chem. Chem. Phys. 19, 1197511989 (2017).CrossRefGoogle ScholarPubMed
Pathak, N., Ghosh, P.S., Gupta, S.K., Mukherjee, S., Kadam, R.M., and Arya, A.: An insight into the various defects-induced emission in MgAl2O4 and their tunability with phase behavior: Combined experimental and theoretical approach. J. Phys. Chem. C 120, 40164031 (2016).CrossRefGoogle Scholar
Pathak, N., Ghosh, P.S., Gupta, S.K., Kadam, R.M., and Arya, A.: Defects induced changes in the electronic structures of MgO and their correlation with the optical properties: A special case of electron–hole recombination from the conduction band. RSC Adv. 6, 9639896415 (2016).CrossRefGoogle Scholar
Gupta, S.K., Sudarshan, K., Ghosh, P.S., Srivastava, A.P., Bevara, S., Pujari, P.K., and Kadam, R.M.: Role of various defects in the photoluminescence characteristics of nanocrystalline Nd2Zr2O7: An investigation through spectroscopic and DFT calculations. J. Mater. Chem. C 4, 49885000 (2016).CrossRefGoogle Scholar
Kuganathan, N., Kordatos, A., Kelaidis, N., and Chroneos, A.: Defects, lithium mobility and tetravalent dopants in the Li3NbO4 cathode material. Sci. Rep. 9, 2192 (2019).CrossRefGoogle ScholarPubMed
Kimmel, G.J., Glatz, A., Vinokur, V.M., and Sadovskyy, I.A.: Edge effect pinning in mesoscopic superconducting strips with non-uniform distribution of defects. Sci. Rep. 9, 211 (2019).CrossRefGoogle ScholarPubMed
Hu, T., Ma, D., Fang, Q., Zhang, P., Liu, X., Wei, R., Pan, Y., Xu, K., and Ma, F.: Bismuth mediated defect engineering of epitaxial graphene on SiC(0001). Carbon 146, 313319 (2019).CrossRefGoogle Scholar
Gupta, S.K., Abdou, M., Ghosh, P.S., Zuniga, J.P., and Mao, Y.: Thermally induced disorder–order phase transition of Gd2Hf2O7:Eu3+ nanoparticles and its implication on photo- and radioluminescence. ACS Omega 4, 27792791 (2019).CrossRefGoogle ScholarPubMed
Gupta, S.K., Zuniga, J.P., Abdou, M., and Mao, Y.: Thermal annealing effects on La2Hf2O7:Eu3+ nanoparticles: A curious case study of structural evolution and site-specific photo- and radio-luminescence. Inorg. Chem. Front. 5, 25082521 (2018).CrossRefGoogle Scholar
Pokhrel, M., Gupta, S.K., Wahid, K., and Mao, Y.: Pyrochlore rare-earth hafnate RE2Hf2O7 (RE = La and Pr) nanoparticles stabilized by molten-salt synthesis at low temperature. Inorg. Chem. 58, 12411251 (2019).CrossRefGoogle Scholar
Abdou, M., Gupta, S.K., Zuniga, J.P., and Mao, Y.: On structure and phase transformation of uranium doped La2Hf2O7 nanoparticles as an efficient nuclear waste host. Mater. Chem. Front. 2, 22012211 (2018).CrossRefGoogle Scholar
Zuniga, J.P., Gupta, S.K., Abdou, M., De Santiago, H.A., Puretzky, A.A., Thomas, M.P., Guiton, B.S., Liu, J., and Mao, Y.: Size, structure, and luminescence of Nd2Zr2O7 nanoparticles by molten salt synthesis. J. Mater. Sci. 54, 1241112423 (2019).CrossRefGoogle Scholar
Gupta, S.K., Abdou, M., Zuniga, J.P., Ghosh, P.S., Molina, E., Xu, B., Chipara, M., and Mao, Y.: Roles of oxygen vacancies and pH induced size changes on photo- and radioluminescence of undoped and Eu3+-doped La2Zr2O7 nanoparticles. J. Lumin. 209, 302315 (2019).CrossRefGoogle Scholar
Zuniga, J.P., Gupta, S.K., Pokhrel, M., and Mao, Y.: Exploring the optical properties of La2Hf2O7:Pr3+ nanoparticles under UV and X-ray excitation for potential lighting and scintillating applications. New J. Chem. 42, 93819392 (2018).CrossRefGoogle Scholar
Xu, J., Zhang, Y., Xu, X., Fang, X., Xi, R., Liu, Y., Zheng, R., and Wang, X.: Constructing La2B2O7 (B = Ti, Zr, Ce) compounds with three typical crystalline phases for the oxidative coupling of methane: The effect of phase structures, superoxide anions, and alkalinity on the reactivity. ACS Catal. 9, 40304045 (2019).CrossRefGoogle Scholar
Zhou, H.D., Wiebe, C.R., Janik, J.A., Balicas, L., Yo, Y.J., Qiu, Y., Copley, J.R.D., and Gardner, J.S.: Dynamic spin ice: Pr2Sn2O7. Phys. Rev. Lett. 101, 227204 (2008).CrossRefGoogle ScholarPubMed
Liu, Q., Xu, M., Low, Z-X., Zhang, W., Tao, F., Liu, F., and Liu, N.: Controlled synthesis of pyrochlore Pr2Sn2O7 nanospheres with enhanced gas sensing performance. RSC Adv. 6, 2156421570 (2016).CrossRefGoogle Scholar
Trujillano, R., Martín, J.A., and Rives, V.: Hydrothermal synthesis of Sm2Sn2O7 pyrochlore accelerated by microwave irradiation. A comparison with the solid state synthesis method. Ceram. Int. 42, 1595015954 (2016).CrossRefGoogle Scholar
Wilde, P.J. and Catlow, C.R.A.: Defects and diffusion in pyrochlore structured oxides. Solid State Ionics 112, 173183 (1998).CrossRefGoogle Scholar
Shafieizadeh, Z., Xin, Y., Koohpayeh, S.M., Huang, Q., and Zhou, H.: Superdislocations and point defects in pyrochlore Yb2Ti2O7 single crystals and implication on magnetic ground states. Sci. Rep. 8, 17202 (2018).CrossRefGoogle ScholarPubMed
Bowman, D.F., Cemal, E., Lehner, T., Wildes, A.R., Mangin-Thro, L., Nilsen, G.J., Gutmann, M.J., Voneshen, D.J., Prabhakaran, D., Boothroyd, A.T., Porter, D.G., Castelnovo, C., Refson, K., and Goff, J.P.: Role of defects in determining the magnetic ground state of ytterbium titanate. Nat. Commun. 10, 637 (2019).CrossRefGoogle ScholarPubMed
Wu, S-Q., Chen, Y-H., Wang, Y., Wang, H., Liu, K., and Mi, S-B.: Interface structure and planar defects in the heterostructure of pyrochlore-type (Ca,Ti)2(Nb,Ti)2O7 film on SrTiO3 (001) substrate. J. Cryst. Growth 519, 2024 (2019).CrossRefGoogle Scholar
Zhong, F., Zhao, J., Shi, L., Cai, G., Zheng, Y., Zheng, Y., Xiao, Y., and Jiang, L.: Pyrochlore Pr2Zr1.95In0.05O7+δ oxygen conductors: Defect-induced electron transport and enhanced NO2 sensing performances. Electrochim. Acta 293, 338347 (2019).CrossRefGoogle Scholar
Kim, J., Shih, P-C., Qin, Y., Al-Bardan, Z., Sun, C-J., and Yang, H.: A porous pyrochlore Y2[Ru1.6Y0.4]O7–δ electrocatalyst for enhanced performance towards the oxygen evolution reaction in acidic media. Angew. Chem., Int. Ed. 57, 1387713881 (2018).CrossRefGoogle ScholarPubMed
Zhong, F., Shi, L., Zhao, J., Cai, G., Zheng, Y., Xiao, Y., Zheng, Y., and Jiang, L.: Pyrochlore Pr2Zr2−xMxO7+δ (M = Al, Ga, In) solid-state electrolytes: Defect-mediated oxygen hopping pathways and enhanced NO2 sensing properties. Sens. Actuators, B 270, 130139 (2018).CrossRefGoogle Scholar
Gupta, S.K., Zuniga, J.P., Ghosh, P.S., Abdou, M., and Mao, Y.: Correlating structure and luminescence properties of undoped and Eu3+-doped La2Hf2O7 nanoparticles prepared with different coprecipitating pH values through experimental and theoretical studies. Inorg. Chem. 57, 1181511830 (2018).CrossRefGoogle ScholarPubMed
Gupta, S.K., Ghosh, P.S., Reghukumar, C., Pathak, N., and Kadam, R.M.: Experimental and theoretical approach to account for green luminescence from Gd2Zr2O7 pyrochlore: Exploring the site occupancy and origin of host-dopant energy transfer in Gd2Zr2O7:Eu3+. RSC Adv. 6, 4490844920 (2016).CrossRefGoogle Scholar
Feng, J., Xiao, B., Qu, Z., Zhou, R., and Pan, W.: Mechanical properties of rare earth stannate pyrochlores. Appl. Phys. Lett. 99, 201909 (2011).CrossRefGoogle Scholar
Irtyugo, L., Denisova, L., Kargin, Y.F., Beletskii, V., and Denisov, V.: Synthesis and investigation of the heat capacity of Sm2Sn2O7 in the 346–1050 K range. Russ. J. Inorg. Chem. 61, 701703 (2016).CrossRefGoogle Scholar
Princep, A.J., Prabhakaran, D., Boothroyd, A.T., and Adroja, D.T.: Crystal-field states of Pr3+ in the candidate quantum spin ice Pr2Sn2O7. Phys. Rev. B 88, 104421 (2013).CrossRefGoogle Scholar
Saha, S., Prusty, S., Singh, S., Suryanarayanan, R., Revcolevschi, A., and Sood, A.K.: Pyrochlore “dynamic spin-ice” Pr2Sn2O7 and monoclinic Pr2Ti2O7: A comparative temperature-dependent Raman study. J. Solid State Chem. 184, 22042208 (2011).CrossRefGoogle Scholar
Zhang, H-S., Kang, F., Zhao, Y-J., Peng, M., Lei, D.Y., and Yang, X-B.: The role of oxygen defects in a bismuth doped ScVO4 matrix: Tuning luminescence by hydrogen treatment. J. Mater. Chem. C 5, 314321 (2017).CrossRefGoogle Scholar
Xiong, Y., Xu, L., Wu, P., Sun, L., Xie, G., and Hu, B.: Bismuth doping–induced stable seebeck effect based on MAPbI3 polycrystalline thin films. Adv. Funct. Mater. 29, 1900615 (2019).CrossRefGoogle Scholar
Gupta, S.K., Abdou, M., Ghosh, P.S., Zuniga, J.P., Manoharan, E., Kim, H., and Mao, Y.: On comparison of luminescence properties of La2Zr2O7 and La2Hf2O7 nanoparticles. J. Am. Ceram. Soc. 102, 235248 (2020).CrossRefGoogle Scholar
Gupta, S.K., Ghosh, P.S., Pathak, N., and Tewari, R.: Nature of defects in blue light emitting CaZrO3: Spectroscopic and theoretical study. RSC Adv. 5, 5652656533 (2015).CrossRefGoogle Scholar
Jin, Y., Hu, Y., Chen, L., Wang, X., Ju, G., and Mou, Z.: Luminescence properties of dual-emission (UV/visible) long afterglow phosphor SrZrO3:Pr3+. J. Am. Ceram. Soc. 96, 38213827 (2013).CrossRefGoogle Scholar
Gupta, S.K., Zuniga, J.P., Abdou, M., Ghosh, P.S., and Mao, Y.: Optical properties of undoped, Eu3+ doped and Li+ co-doped Y2Hf2O7 nanoparticles and polymer nanocomposite films, polymer nanocomposite films. Inorg. Chem. Front. 7, 505518 (2020).CrossRefGoogle Scholar
Prakashbabu, D., Ramalingam, H.B., Hari Krishna, R., Nagabhushana, B.M., Chandramohan, R., Shivakumara, C., Thirumalai, J., and Thomas, T.: Charge compensation assisted enhancement of photoluminescence in combustion derived Li+ co-doped cubic ZrO2:Eu3+ nanophosphors. Phys. Chem. Chem. Phys. 18, 2944729457 (2016).CrossRefGoogle ScholarPubMed
Bockris, J.O.M. and Otagawa, T.: The electrocatalysis of oxygen evolution on perovskites. J. Electrochem. Soc. 131, 290302 (1984).CrossRefGoogle Scholar
Mohan, S. and Mao, Y.: Dependence of (photo) electrochemical properties on geometry factors of hydrothermally synthesized delafossite copper gallium oxide CuGaO2 toward oxygen evolution reaction. J. Electrochem. Soc. 165, H607H613 (2018).CrossRefGoogle Scholar
Mao, L., Mohan, S., and Mao, Y.: Delafossite CuMnO2 as an efficient bifunctional oxygen and hydrogen evolution reaction electrocatalyst for water splitting. J. Electrochem. Soc. 166, H233H242 (2019).CrossRefGoogle Scholar
Gong, L., Ren, D., Deng, Y., and Yeo, B.S.: Efficient and stable evolution of oxygen using pulse-electrodeposited Ir/Ni oxide catalyst in Fe-spiked KOH electrolyte. ACS Appl. Mater. Interfaces 8, 1598515990 (2016).CrossRefGoogle ScholarPubMed
Xu, L., Jiang, Q., Xiao, Z., Li, X., Huo, J., Wang, S., and Dai, L.: Plasma-engraved Co3O4 nanosheets with oxygen vacancies and high surface area for the oxygen evolution reaction. Angew. Chem., Int. Ed. 55, 52775281 (2016).CrossRefGoogle ScholarPubMed
Mefford, J.T., Rong, X., Abakumov, A.M., Hardin, W.G., Dai, S., Kolpak, A.M., Johnston, K.P., and Stevenson, K.J.: Water electrolysis on La1xSrxCoO3δ perovskite electrocatalysts. Nat. Commun. 7, 11053 (2016).CrossRefGoogle Scholar