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[KNbO3]1-x[BaCo1/2Nb1/2O3-δ]x inorganic perovskite oxide coupled with TiO2 nanorods photoelectrode: Toward efficient enhancement of photoelectrochemical properties.

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Title: [KNbO3]1-x[BaCo1/2Nb1/2O3-δ]x inorganic perovskite oxide coupled with TiO2 nanorods photoelectrode: Toward efficient enhancement of photoelectrochemical properties.
Authors: Yu, Li-Min1,2 (AUTHOR), Wang, Jun-Mei1,2 (AUTHOR), Qu, Peng1,2 (AUTHOR), Liu, Bao-Xia2 (AUTHOR), Luo, Ting-Ting2 (AUTHOR), Liu, Li-Mei2 (AUTHOR), Xin, Ya-Ru2 (AUTHOR), Hao, Xin-Qi1 (AUTHOR) xqhao@zzu.edu.cn, Song, Mao-Ping1 (AUTHOR) mpsong@zzu.edu.cn
Source: Materials Chemistry & Physics. May2021, Vol. 264, pN.PAG-N.PAG. 1p.
Subjects: Photocathodes, Laser deposition, Pulsed laser deposition, Perovskite, Nanorods, Oxides, Titanium dioxide
Abstract: Inorganic perovskite oxide photosensitizer have shown versatile practical applications, owing to fruitful chemistries of photoelectric materials. This work reports a straightforward and general protocol via the use of Co/Ba co-doped KNbO 3 (KBCNO) photosensitizer coupled with TiO 2 nanorods to boost photoelectricity property. In the representative system, KBCNO with different doping concentrations and TiO 2 nanorods were used as photosensitizer and electron transfer layer, respectively. The synthetic process implicated that KBCNO with various concentration prepared by pulsed laser deposition technique and TiO 2 nanorods were used as an active optical absorption layer and electrode, and the specific physicochemical, optical characterization and photoelectrochemical (PEC) performance were all discussed in detail in the detection of the obtained photoelectrodes. This work is also an effective extension of previous studies on the category of inorganic perovskite oxide photosensitizers, which has not been reported by other research group. Given that KNbO 3 -based compounds can be easily obtained in abundance and variety, this work enjoys great advantages in PEC performance of numerous other inorganic perovskite oxide photosensitizer. • KBCNO targets with different doping concentration were suppressed by vacuum hot-pressed sintered technology. • KBCNO film were deposited on the TiO 2 NRs by pulsed laser deposition (PLD) technique. • KBCNO@TiO 2 photoelectrodes exhibits satisfactory photoelectric property. • The coupling of inorganic perovskite oxide and TiO 2 is expected to be applied in photovoltaic conversion field. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
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Abstract:Inorganic perovskite oxide photosensitizer have shown versatile practical applications, owing to fruitful chemistries of photoelectric materials. This work reports a straightforward and general protocol via the use of Co/Ba co-doped KNbO 3 (KBCNO) photosensitizer coupled with TiO 2 nanorods to boost photoelectricity property. In the representative system, KBCNO with different doping concentrations and TiO 2 nanorods were used as photosensitizer and electron transfer layer, respectively. The synthetic process implicated that KBCNO with various concentration prepared by pulsed laser deposition technique and TiO 2 nanorods were used as an active optical absorption layer and electrode, and the specific physicochemical, optical characterization and photoelectrochemical (PEC) performance were all discussed in detail in the detection of the obtained photoelectrodes. This work is also an effective extension of previous studies on the category of inorganic perovskite oxide photosensitizers, which has not been reported by other research group. Given that KNbO 3 -based compounds can be easily obtained in abundance and variety, this work enjoys great advantages in PEC performance of numerous other inorganic perovskite oxide photosensitizer. • KBCNO targets with different doping concentration were suppressed by vacuum hot-pressed sintered technology. • KBCNO film were deposited on the TiO 2 NRs by pulsed laser deposition (PLD) technique. • KBCNO@TiO 2 photoelectrodes exhibits satisfactory photoelectric property. • The coupling of inorganic perovskite oxide and TiO 2 is expected to be applied in photovoltaic conversion field. [ABSTRACT FROM AUTHOR]
ISSN:02540584
DOI:10.1016/j.matchemphys.2021.124426