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Novel Composites of α‐Fe2O3 Tetrakaidecahedron and Graphene Oxide as an Effective Photoelectrode with Enhanced Photocurrent Performances

Liu, Shaoxiong, Zheng, Lingxia, Yu, Pingping, Han, Sancan, Fang, Xiaosheng·2016·Advanced Functional Materials

Abstract

Novel composites composed of α‐Fe 2 O 3 tetrakaidecahedrons and graphene oxide have been easily fabricated and demonstrated to be efficient photoelectrodes for photoelectrochemical water splitting reaction with superior photocurrent response. α‐Fe 2 O 3 tetrakaidecahedrons are facilely synthesized in a green manner without any organic additives and then modified with graphene oxide. The morphological and structural properties of α‐Fe 2 O 3/graphene composite are intensively investigated by several means, such as X‐ray diffraction, field‐emission scanning electron microscope, transmission electron microscope, X‐ray photoelectron spectroscopy, Fourier Transform infrared spectroscopy, and Raman spectroscopy. The tetrakaidecahedronal hematite particles have been indicated to be successfully coupled with graphene oxide. Systematical photoelectrochemical and impedance spectroscopy measurements have been carried out to investigate the favorable performance of α‐Fe 2 O 3/graphene composites, which are found to be effective photoanodes with rapid, steady, and reproducible feature. The coupling of graphene with α‐Fe 2 O 3 particles has greatly enhanced the photoelectrochemical performance, resulting in higher photocurrent and lower onset potential than that of pure α‐Fe 2 O 3. This investigation has provided a feasible method to synthesize α‐Fe 2 O 3 tetrakaidecahedron and fabricate an efficient α‐Fe 2 O 3/graphene photoelectrode for photoelectrochemical water oxidation, suggesting a promising route to design noble metal free semiconductor/graphene photocatalysts.

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Metadata

Authors
Liu, S., Zheng, L., Yu, P., Han, S., & Fang, X.
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2016-03-15
Volume
26
Issue
19
Pages
3331-3339
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2300305241
Cited by
230
References
1
FWCI
7.42
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Novel Composites of α‐Fe2O3 Tetrakaidecahedron and Graphene Oxide as an Effective Photoelectrode with Enhanced Photocurrent Performances. https://app.cochat.ai/papers/10.1002/adfm.201505554
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Liu, S., Zheng, L., Yu, P., Han, S., & Fang, X. (2016). Novel Composites of α‐Fe2O3 Tetrakaidecahedron and Graphene Oxide as an Effective Photoelectrode with Enhanced Photocurrent Performances. Advanced Functional Materials. https://doi.org/10.1002/adfm.201505554

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