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Solvothermal Synthesis of Ferroelectric BaTiO3 Nanoparticles and Their Application to Dye-sensitized Solar Cells
- Authors
- Jin, Ming Hao; Shin, Eunhye; Jin, Saera; Jo, Hongil; Ok, Kang Min; Hong, Jongin; Jun, Byung-Hyuk; Durrant, James R.
- Issue Date
- Sep-2018
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- BaTiO3; Ferroelectric; Dye-sensitized solar cell; Nanoparticle
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.73, no.5, pp 627 - 631
- Pages
- 5
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 73
- Number
- 5
- Start Page
- 627
- End Page
- 631
- ISSN
- 0374-4884
1976-8524
- Abstract
- Cubic BaTiO3 (C-BT) and tetragonal BaTiO3 (T1-BT) nanoparticles were prepared by a solvothermal method with controlling the Ba/Ti precursor ratio. Triethanolamine was additionally employed in the synthesis to obtain ferroelectric BaTiO3 with improved particle size distribution and tetragonality (T2-BT). The prepared nanoparticles were thoroughly characterized by scanning electron microscopy, transmission electron microscopy, Brunauer-Emmett-Teller analysis, X-ray diffraction, X-ray photoelectron spectroscopy, ultraviolet-visible spectroscopy, photoluminescence, and second-harmonic generation. Importantly, the BaTiO3 nanoparticles were introduced into the scattering layer of dye-sensitized solar cells and T2-BT showed better power conversion efficiency than C-BT and T1-BT.
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