<trans-title xml:lang="en">Synergy Effect of Pd Nanoparticles and Oxygen Vacancies for Enhancing TiO<sub>2</sub> Photocatalytic CO<sub>2</sub> Reduction </trans-title>

Xin JIA; Jinyu LI; Shihao DING; Qianqian SHEN; Husheng JIA; Jinbo XUE

doi:10.15541/jim20230170

Journal of Inorganic Materials, Volume. 38, Issue 11, 1301(2023)

Synergy Effect of Pd Nanoparticles and Oxygen Vacancies for Enhancing TiO₂ Photocatalytic CO₂ Reduction

Xin JIA1...2, Jinyu LI1,2, Shihao DING1,2, Qianqian SHEN1,2, Husheng JIA1,2, and Jinbo XUE12,* |Show fewer author(s)

¹1. Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China

²2. College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China

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Figures & Tables(8)

1. (a-c) SEM images, (e-g)EDS spectra, (h) XRD patterns and (i) EPR spectra of (a, e) Pd-Ov-TNB, (b, f) Pd-TNB and (c, g) Ov-TNB; (d) Analytical mapping of EDS point of square area in (a)

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2. (a) TEM image of Pd-Ov-TNB; (b) HRTEM image of rectanglar area in Fig.(a); (c) HRTEM image and (d) SAED pattern of the nanobelt

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3. (a) XPS full survey spectra of Pd-Ov-TNB, Ov-TNB and Pd-TNB, with corresponding high-resolution XPS spectra of (b) O1s, (c) Ti2p and (d) Pd3d

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4. (a) Photocatalytic CO₂reduction performance of Pd-Ov-TNB, Ov-TNB and Pd-TNB and (b) recycling curves of Pd-Ov-TNB for photocatalytic CO₂ reduction

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5. (a) UV-Vis DRS spectra, (b) PL emission spectra, (c) SPV spectra, (d) I-t curves, (e) EIS plots, and (f) Mott-Schottky plots of Pd-Ov-TNB, Ov-TNB and Pd-TNB

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6. Photocatalytic CO₂ reduction mechanism of Pd-Ov-TNB

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Table 1. Activities and selectivities for photocatalytic reduction of CO₂ over the obtained samples
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Table 1. Activities and selectivities for photocatalytic reduction of CO₂ over the obtained samples
Photocatalyst Productivity/(μmol·g^-1·h^-1) Selectivity for hydrocarbon products/%
CO CH₄ C₂H₆ C₂H₄ H₂
Pd-Ov-TNB 70.7 40.8 32.09 3.09 3.69 84.52
Pd-TNB 80.21 19.92 10.71 2.02 10.04 64.88
Ov-TNB 113.58 15.32 2.071 0 4.25 39.14

Table 2. Photocatalytic performance of CO₂ reduction of photocatalysts in literature

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Table 2. Photocatalytic performance of CO₂ reduction of photocatalysts in literature

Photocatalyst	Productivity / (μmol·g^-1·h^-1)					Selectivity for hydrocarbon products/%	Ref.
Photocatalyst	CO	CH₄	C₂H₆	C₂H₄	H₂	Selectivity for hydrocarbon products/%	Ref.
Pd-Ov-TNB	70.7	40.8	32.09	3.087	3.69	84.52	This work
1%Ru-TiO_2-_x	5.06	31.36	-	-	-	96.12	[24]
In-TiO₂	81	244	2.78	0.06	-	92.48	[25]
In-TiO₂/g-C₃N₄	2.32	7.31	-	1.41	-	94.20	[26]
Au₆Pd₁/TiO₂	10.9	12.7	0.8	0.7	-	84.75	[27]
Cu^δ⁺/CeO₂-TiO₂	3.47	1.52	-	4.51	-	90.52	[28]
Pd/Mn-TiO₂	17.88	5.51	1.32	-	-	55.21	[29]
PdNRs-TiO₂	12.6	3.0	-	-	8.826	35.90	[30]
Ti₃C₂/P25	11.74	16.61	-	-	35.0	58.70	[31]
ZXN-TC	1296.4	98.11	41.07	2.25	-	34.85	[32]

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Xin JIA, Jinyu LI, Shihao DING, Qianqian SHEN, Husheng JIA, Jinbo XUE. Synergy Effect of Pd Nanoparticles and Oxygen Vacancies for Enhancing TiO₂ Photocatalytic CO₂ Reduction [J]. Journal of Inorganic Materials, 2023, 38(11): 1301

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Paper Information

Category:

Received: Apr. 6, 2023

Accepted: --

Published Online: Mar. 6, 2024

The Author Email: XUE Jinbo (xuejinbo@tyut.edu.cn)

DOI:10.15541/jim20230170

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Activities and selectivities for photocatalytic reduction of CO2 over the obtained samples

Table 1. Activities and selectivities for photocatalytic reduction of CO2 over the obtained samples

Table 2. Photocatalytic performance of CO2 reduction of photocatalysts in literature

Table 2. Photocatalytic performance of CO2 reduction of photocatalysts in literature

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Table 1. Activities and selectivities for photocatalytic reduction of CO₂ over the obtained samples

Table 1. Activities and selectivities for photocatalytic reduction of CO₂ over the obtained samples

Table 2. Photocatalytic performance of CO₂ reduction of photocatalysts in literature

Table 2. Photocatalytic performance of CO₂ reduction of photocatalysts in literature