Fe                         2                         O                         3                          modification promotes the photocatalytic performance of TiO                         2                          nanotube confined Pd nanoparticles

Quanming Peng; Guiming Peng; Liangpeng Wu; Juan Li; Xiaoyang Wang; Mingwei Liu; Xinjun Li

doi:10.1016/j.jphotochem.2019.111865

Fe ₂ O ₃ modification promotes the photocatalytic performance of TiO ₂ nanotube confined Pd nanoparticles

Quanming Peng, Guiming Peng, Liangpeng Wu, Juan Li, Xiaoyang Wang, Mingwei Liu, Xinjun Li

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

It is revealed that TiO ₂ nanotube confined Pd nanoparticles (Pd-in-TiO ₂ NT)processed better photocatalytic degradation activity than Pd nanoparticles loaded on outer wall of TiO ₂ nanotube (Pd-out-TiO ₂ NT). Moreover, by anchoring Fe ₂ O ₃ nanoparticles on Pd-in-TiO ₂ NT (Pd-in/Fe ₂ O ₃ -TiO ₂ NT), the photocatalytic activity is dramatically improved as evidenced by the accelerated photocatalytic degradation of methyl orange. As measured by photoluminescence and electrochemical impedance spectroscopy, the separation efficiency of photogenerated electron-hole pairs is significantly improved when the outside surface of TiO ₂ NT was modified by Fe ₂ O ₃ . X-ray photoelectron spectroscopy informs that the Fe ₂ O ₃ modification can efficiently modulate the electron density distribution of the TiO ₂ nanotube, thus improves the catalytic oxidation of Pd in Pd-in/Fe ₂ O ₃ -TiO ₂ NT. This work provides a novel method to construct high active catalysts for environmental prevention by the modulation of electronic state on TiO ₂ nanotube confinement effect.

Original language	English
Article number	111865
Journal	Journal of Photochemistry and Photobiology A: Chemistry
Volume	380
DOIs	https://doi.org/10.1016/j.jphotochem.2019.111865
State	Published - 1 Jul 2019
Externally published	Yes

Keywords

Confined Pd
Confinement effect
Fe O
Photocatalytic degradation
TiO nanotube

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
General Physics and Astronomy

Access to Document

10.1016/j.jphotochem.2019.111865

Cite this

Peng, Q., Peng, G., Wu, L., Li, J., Wang, X., Liu, M., & Li, X. (2019). Fe ₂ O ₃ modification promotes the photocatalytic performance of TiO ₂ nanotube confined Pd nanoparticles Journal of Photochemistry and Photobiology A: Chemistry, 380, Article 111865. https://doi.org/10.1016/j.jphotochem.2019.111865

Peng, Quanming ; Peng, Guiming ; Wu, Liangpeng et al. / Fe ₂ O ₃ modification promotes the photocatalytic performance of TiO ₂ nanotube confined Pd nanoparticles In: Journal of Photochemistry and Photobiology A: Chemistry. 2019 ; Vol. 380.

@article{0beda67528cd444fa2aebe4bcf7ae594,

title = " Fe 2 O 3 modification promotes the photocatalytic performance of TiO 2 nanotube confined Pd nanoparticles ",

abstract = " It is revealed that TiO 2 nanotube confined Pd nanoparticles (Pd-in-TiO 2 NT)processed better photocatalytic degradation activity than Pd nanoparticles loaded on outer wall of TiO 2 nanotube (Pd-out-TiO 2 NT). Moreover, by anchoring Fe 2 O 3 nanoparticles on Pd-in-TiO 2 NT (Pd-in/Fe 2 O 3 -TiO 2 NT), the photocatalytic activity is dramatically improved as evidenced by the accelerated photocatalytic degradation of methyl orange. As measured by photoluminescence and electrochemical impedance spectroscopy, the separation efficiency of photogenerated electron-hole pairs is significantly improved when the outside surface of TiO 2 NT was modified by Fe 2 O 3 . X-ray photoelectron spectroscopy informs that the Fe 2 O 3 modification can efficiently modulate the electron density distribution of the TiO 2 nanotube, thus improves the catalytic oxidation of Pd in Pd-in/Fe 2 O 3 -TiO 2 NT. This work provides a novel method to construct high active catalysts for environmental prevention by the modulation of electronic state on TiO 2 nanotube confinement effect.",

keywords = "Confined Pd, Confinement effect, Fe O, Photocatalytic degradation, TiO nanotube",

author = "Quanming Peng and Guiming Peng and Liangpeng Wu and Juan Li and Xiaoyang Wang and Mingwei Liu and Xinjun Li",

note = "Publisher Copyright: {\textcopyright} 2019 Elsevier B.V.",

year = "2019",

month = jul,

day = "1",

doi = "10.1016/j.jphotochem.2019.111865",

language = "English",

volume = "380",

journal = "Journal of Photochemistry and Photobiology A: Chemistry",

issn = "1010-6030",

publisher = "Elsevier B.V.",

}

Peng, Q, Peng, G, Wu, L, Li, J, Wang, X, Liu, M & Li, X 2019, ' Fe ₂ O ₃ modification promotes the photocatalytic performance of TiO ₂ nanotube confined Pd nanoparticles ', Journal of Photochemistry and Photobiology A: Chemistry, vol. 380, 111865. https://doi.org/10.1016/j.jphotochem.2019.111865

Fe ₂ O ₃ modification promotes the photocatalytic performance of TiO ₂ nanotube confined Pd nanoparticles . / Peng, Quanming; Peng, Guiming; Wu, Liangpeng et al.
In: Journal of Photochemistry and Photobiology A: Chemistry, Vol. 380, 111865, 01.07.2019.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Fe 2 O 3 modification promotes the photocatalytic performance of TiO 2 nanotube confined Pd nanoparticles

AU - Peng, Quanming

AU - Peng, Guiming

AU - Wu, Liangpeng

AU - Li, Juan

AU - Wang, Xiaoyang

AU - Liu, Mingwei

AU - Li, Xinjun

PY - 2019/7/1

Y1 - 2019/7/1

N2 - It is revealed that TiO 2 nanotube confined Pd nanoparticles (Pd-in-TiO 2 NT)processed better photocatalytic degradation activity than Pd nanoparticles loaded on outer wall of TiO 2 nanotube (Pd-out-TiO 2 NT). Moreover, by anchoring Fe 2 O 3 nanoparticles on Pd-in-TiO 2 NT (Pd-in/Fe 2 O 3 -TiO 2 NT), the photocatalytic activity is dramatically improved as evidenced by the accelerated photocatalytic degradation of methyl orange. As measured by photoluminescence and electrochemical impedance spectroscopy, the separation efficiency of photogenerated electron-hole pairs is significantly improved when the outside surface of TiO 2 NT was modified by Fe 2 O 3 . X-ray photoelectron spectroscopy informs that the Fe 2 O 3 modification can efficiently modulate the electron density distribution of the TiO 2 nanotube, thus improves the catalytic oxidation of Pd in Pd-in/Fe 2 O 3 -TiO 2 NT. This work provides a novel method to construct high active catalysts for environmental prevention by the modulation of electronic state on TiO 2 nanotube confinement effect.

AB - It is revealed that TiO 2 nanotube confined Pd nanoparticles (Pd-in-TiO 2 NT)processed better photocatalytic degradation activity than Pd nanoparticles loaded on outer wall of TiO 2 nanotube (Pd-out-TiO 2 NT). Moreover, by anchoring Fe 2 O 3 nanoparticles on Pd-in-TiO 2 NT (Pd-in/Fe 2 O 3 -TiO 2 NT), the photocatalytic activity is dramatically improved as evidenced by the accelerated photocatalytic degradation of methyl orange. As measured by photoluminescence and electrochemical impedance spectroscopy, the separation efficiency of photogenerated electron-hole pairs is significantly improved when the outside surface of TiO 2 NT was modified by Fe 2 O 3 . X-ray photoelectron spectroscopy informs that the Fe 2 O 3 modification can efficiently modulate the electron density distribution of the TiO 2 nanotube, thus improves the catalytic oxidation of Pd in Pd-in/Fe 2 O 3 -TiO 2 NT. This work provides a novel method to construct high active catalysts for environmental prevention by the modulation of electronic state on TiO 2 nanotube confinement effect.

KW - Confined Pd

KW - Confinement effect

KW - Fe O

KW - Photocatalytic degradation

KW - TiO nanotube

UR - http://www.scopus.com/inward/record.url?scp=85065874782&partnerID=8YFLogxK

U2 - 10.1016/j.jphotochem.2019.111865

DO - 10.1016/j.jphotochem.2019.111865

M3 - Article

AN - SCOPUS:85065874782

SN - 1010-6030

VL - 380

JO - Journal of Photochemistry and Photobiology A: Chemistry

JF - Journal of Photochemistry and Photobiology A: Chemistry

M1 - 111865

ER -

Peng Q, Peng G, Wu L, Li J, Wang X, Liu M et al. Fe ₂ O ₃ modification promotes the photocatalytic performance of TiO ₂ nanotube confined Pd nanoparticles Journal of Photochemistry and Photobiology A: Chemistry. 2019 Jul 1;380:111865. doi: 10.1016/j.jphotochem.2019.111865