The DOI matches its Crossref record; 46 of the 46 references it cites were found in a registry or an index.
Halogen‐Doped Carbon Dots on Amorphous Cobalt Phosphide as Robust Electrocatalysts for Overall Water Splitting
Open accessAbstract
Designing a stable and efficient dual‐functional catalyst for the hydrogen evolution and oxygen evolution reactions (HER/OER) is of great significance to the development of hydrogen production by water splitting. This work reports on novel halogen (X = F, Cl, and Br)‐doped carbon dots modifying amorphous cobalt phosphide (X‐CDs/CoP), which can be tuned by the choice of X‐CDs to have urchin, Pinus bungeana, and Albizia julibrissin type structures. The different characteristics of the various X‐CDs led to different formation mechanisms and final structures. As a bifunctional catalyst, urchin‐shaped F‐CDs/CoP crystals achieve superior electrocatalytic performance, exhibiting excellent HER/OER activity and sustained stability in an alkaline solution. For overall water splitting, they provide current density of 10 mA cm−2 and require a low cell voltage of 1.48 V in 1 M KOH. In addition, the catalytic performance shows negligible degradation after 100 h, thus demonstrating excellent long‐term cycling stability. Density functional theory calculations show that the improved electrocatalytic performance of F‐CDs/CoP catalysts is due to the coupling interface between CoP and F‐CDs, which optimizes the hydrogen/oxygen adsorption energy and accelerates the water splitting kinetics. This work provides guidance for the rational design of transition metal phosphide electrocatalysts with outstanding performance.
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Cites
Opportunities and challenges for a sustainable energy future
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Photocatalytic water splitting with a quantum efficiency of almost unity
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Cited by
Rational Design of Transition Metal Phosphide‐Based Electrocatalysts for Hydrogen Evolution
Liu, D., Xu, G., Yang, H., Wang, H., & Xia, B. Y. (2023) · Advanced Functional Materials · doi:10.1002/adfm.202208358 · Cited by 302
Electrocatalytic Water Splitting Mechanism and Electrocatalyst Design
Wu, H., Huang, Q., Shi, Y., Chang, J., & Lu, S. (2023) · Nano Research · doi:10.1007/s12274-023-5502-8 · Cited by 295
Self-citationLv, X., Wan, S., Mou, T., Han, X., Zhang, Y., Wang, Z., & Tao, X. (2023) · Advanced Functional Materials · doi:10.1002/adfm.202205161 · Cited by 145
Metadata
- Authors
- Song, H., Yu, J., Tang, Z., Yang, B., & Lu, S.
- Venue
- Advanced Energy Materials
- Publisher
- Wiley
- Published
- 2022-01-24
- Volume
- 12
- Issue
- 14
- ISSN
- 1614-6832 (ISSN-L)
- 1614-6840
- OpenAlex
- W4206961121
- Cited by
- 268
- References
- 46
- FWCI
- 11.09
- Type
- journal article
- Language
- en
- Open access
- green
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- Song, H., Yu, J., Tang, Z., Yang, B., & Lu, S. (2022). Halogen‐Doped Carbon Dots on Amorphous Cobalt Phosphide as Robust Electrocatalysts for Overall Water Splitting. Advanced Energy Materials. https://doi.org/10.1002/aenm.202102573
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