Nano Research

, Volume 11, Issue 9, pp 4664–4672 | Cite as

Synthesis, characterization, theoretical investigation, and properties of monoclinic-phase InWO4 hollow nanospheres

  • Yuping Wang
  • Di Wang
  • Ying Xie
  • Guofeng Wang
Research Article


As a newly discovered member of the tungstate family, InWO4 hollow nanospheres with a monoclinic wolframite structure were synthesized successfully. The crystal phase of InWO4 was investigated via a combination of CASTEP geometric optimization and experimental simulation. InWO4 has a space group of P2/c with two InWO4 formula units per unit cell. The optimized cell dimensions are a = 5.16 Å, b = 5.97 Å, and c = 5.23 Å, with α = 90°, β = 92.11°, γ = 90°, giving a unit cell volume of 161.10 Å3, which is consistent with the experimental measurements. More importantly, InWO4 was a promising host material for different Ln3+ (Ln = Eu and Yb/Er) ions. For InWO4:Yb3+/Er3+ excited at 980 nm, transitions from the 4G11/2 (384 nm), 2H9/2 (411 nm), and 4F7/2 (487 nm) levels to the ground state (4I15/2) of Er3+ were observed. In addition to the aforementioned properties, the InWO4 hollow nanospheres can be used to improve the performance of dye-sensitized solar cells, which is chiefly attributed to theirlight scattering.


InWO4 rare earth hollow nanospheres luminescence 


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This work was supported by the National Natural Science Foundation of China (No. 21471050) and the Innovative Project of Postgraduate of Heilongjiang University (No. YJSCX2017-52HLJU).

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Synthesis, characterization, theoretical investigation, and properties of monoclinic-phase InWO4 hollow nanospheres


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Copyright information

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials ScienceHeilongjiang UniversityHarbinChina

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