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Green light all the way: Triple modification synergistic modification effect to enhance the photoelectrochemical water oxidation performance of BiVO 4 photoanode.

التفاصيل البيبلوغرافية
العنوان: Green light all the way: Triple modification synergistic modification effect to enhance the photoelectrochemical water oxidation performance of BiVO 4 photoanode.
المؤلفون: Ge J; College of Chemical Engineering, Northwest Minzu University, Lanzhou, Gansu 730030, PR China., Wu L; College of Chemical Engineering, Northwest Minzu University, Lanzhou, Gansu 730030, PR China. Electronic address: 945934161@qq.com., Gao L; State Key Laboratory of Applied Organic Chemistry (SKLAOC), The Key Laboratory of Catalytic Engineering of Gansu Province, Key Laboratory of Advanced Catalysis of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, PR China., Niu H; State Key Laboratory of Applied Organic Chemistry (SKLAOC), The Key Laboratory of Catalytic Engineering of Gansu Province, Key Laboratory of Advanced Catalysis of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, PR China., Liu M; State Key Laboratory of Applied Organic Chemistry (SKLAOC), The Key Laboratory of Catalytic Engineering of Gansu Province, Key Laboratory of Advanced Catalysis of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, PR China., Zou Y; State Key Laboratory of Applied Organic Chemistry (SKLAOC), The Key Laboratory of Catalytic Engineering of Gansu Province, Key Laboratory of Advanced Catalysis of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, PR China., Wang J; State Key Laboratory of Applied Organic Chemistry (SKLAOC), The Key Laboratory of Catalytic Engineering of Gansu Province, Key Laboratory of Advanced Catalysis of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, PR China., Jin J; State Key Laboratory of Applied Organic Chemistry (SKLAOC), The Key Laboratory of Catalytic Engineering of Gansu Province, Key Laboratory of Advanced Catalysis of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, PR China. Electronic address: jinjun@lzu.edu.cn.
المصدر: Journal of colloid and interface science [J Colloid Interface Sci] 2024 Jul 27; Vol. 677 (Pt A), pp. 90-98. Date of Electronic Publication: 2024 Jul 27.
Publication Model: Ahead of Print
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Academic Press Country of Publication: United States NLM ID: 0043125 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1095-7103 (Electronic) Linking ISSN: 00219797 NLM ISO Abbreviation: J Colloid Interface Sci Subsets: MEDLINE
أسماء مطبوعة: Publication: Orlando, FL : Academic Press
Original Publication: New York.
مستخلص: The recombination of photogenerated electron-hole pairs of the photoanode seriously impairs the application of bismuth vanadate (BiVO 4 ) in photoelectrochemical water splitting. To address this issue, we prepared a Yb:BiVO 4 /Co 3 O 4 /FeOOH composite photoanode by employing drop-casting and soaking methods to attach Co 3 O 4 /FeOOH cocatalysts to the surface of ytterbium-doped BiVO 4 . The prepared Yb:BiVO 4 /Co 3 O 4 /FeOOH photoanode demonstrates a high photocurrent density of 4.89 mA cm -2 at 1.23 V versus the reversible hydrogen electrode (RHE), which is 5.1 times that of bare BiVO 4 (0.95 mA cm -2 ). Detailed characterization and testing demonstrated that Yb doping narrows the band gap and significantly enhances the carrier density. Furthermore, Co 3 O 4 serves as a hole transfer layer to expedite hole migration and diminish recombination, while FeOOH offers additional active sites and minimizes surface trap states, thus boosting stability. The synergistic effects of Yb doping and Co 3 O 4 /FeOOH cocatalyst significantly improved the reaction kinetics and overall performance of PEC water oxidation. This work provides a strategy for designing efficient photoanodes for PEC water oxidation.
Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2024. Published by Elsevier Inc.)
فهرسة مساهمة: Keywords: Charge carrier transfer; Co(3)O(4)/FeOOH cocatalysts; Photoelectrochemical water splitting; Yb doping
تواريخ الأحداث: Date Created: 20240731 Latest Revision: 20240731
رمز التحديث: 20240801
DOI: 10.1016/j.jcis.2024.07.203
PMID: 39083895
قاعدة البيانات: MEDLINE
الوصف
تدمد:1095-7103
DOI:10.1016/j.jcis.2024.07.203