DOI: 10.1002/advs.201500003. Bio‐Inspired Leaf‐Mimicking Nanosheet/Nanotube Heterostructure as a Highly Efficient Oxygen Evolution Catalyst

Bio‐Inspired Leaf‐Mimicking Nanosheet/Nanotube Heterostructure as a Highly Efficient Oxygen Evolution Catalyst

10.1002/advs.201500003

Crossref journal-article

Wiley

Advanced Science (311)

Abstract

Plant leaves represent a unique 2D/1D heterostructure for enhanced surface reaction and efficient mass transport. Inspired by plant leaves, a 2D/1D CoOx heterostructure is developed that is composed of ultrathin CoOx nanosheets further assembled into a nanotube structure. This bio‐inspired architecture allows a highly active Co2+ electronic structure for an efficient oxygen evolution reaction (OER) at the atomic scale, ultrahigh surface area (371 m2 g−1) for interfacial electrochemical reaction at the nanoscale, and enhanced transport of charge and electrolyte over CoOx nanotube building blocks at the microscale. Consequently, this CoOx nanosheet/nanotube heterostructure demonstrates a record‐high OER performance based on cobalt compounds reported so far, with an onset potential of ≈1.46 V versus reversible hydrogen electrode (RHE), a current density of 51.2 mA cm−2 at 1.65 V versus RHE, and a Tafel slope of 75 mV dec−1. Using the CoOx nanosheet/nanotube catalyst and a Pt‐mesh, a full water splitting cell with a 1.5‐V battery is also demonstrated.

Bibliography

Wang, Y., Jiang, K., Zhang, H., Zhou, T., Wang, J., Wei, W., Yang, Z., Sun, X., Cai, W., & Zheng, G. (2015). BioâInspired LeafâMimicking Nanosheet/Nanotube Heterostructure as a Highly Efficient Oxygen Evolution Catalyst. Advanced Science, 2(4). Portico.

Authors 10

Yongcheng Wang (first)
Kun Jiang (additional)
Hui Zhang (additional)
Tong Zhou (additional)
Jiwei Wang (additional)
Wei Wei (additional)
Zhongqin Yang (additional)
Xuhui Sun (additional)
Wen‐Bin Cai (additional)
Gengfeng Zheng (additional)

References 46 Referenced 92

Dates

Type	When
Created	10 years, 5 months ago (March 10, 2015, 8:39 a.m.)
Deposited	1 year, 11 months ago (Sept. 17, 2023, 3:42 p.m.)
Indexed	1 week, 3 days ago (Aug. 23, 2025, 1:11 a.m.)
Issued	10 years, 5 months ago (March 10, 2015)
Published	10 years, 5 months ago (March 10, 2015)
Published Online	10 years, 5 months ago (March 10, 2015)
Published Print	10 years, 5 months ago (April 1, 2015)

Funders 4

National Natural Science Foundation of China 10.13039/501100001809
Region: Asia
gov (National government)
Labels11
1. Chinese National Science Foundation
2. Natural Science Foundation of China
3. National Science Foundation of China
4. NNSF of China
5. NSF of China
6. 国家自然科学基金委员会
7. National Nature Science Foundation of China
8. Guójiā Zìrán Kēxué Jījīn Wěiyuánhuì
9. NSFC
10. NNSF
11. NNSFC
Awards3
1. 21071033
2. 21322311
3. 21473038
Science and Technology Commission of Shanghai Municipality 10.13039/501100003399
Region: Asia
gov (Local government)
Labels4
1. Shanghai Municipal Science and Technology Commission
2. Shanghai Science and Technology Committee
3. 上海市科学技术委员会
4. STCSM
Awards1
1. 14JC1490500
National Natural Science Foundation of China 10.13039/501100001809
Region: Asia
gov (National government)
Labels11
1. Chinese National Science Foundation
2. Natural Science Foundation of China
3. National Science Foundation of China
4. NNSF of China
5. NSF of China
6. 国家自然科学基金委员会
7. National Nature Science Foundation of China
8. Guójiā Zìrán Kēxué Jījīn Wěiyuánhuì
9. NSFC
10. NNSF
11. NNSFC
Awards3
1. 21273045
2. 21327901
3. 21273046
Science and Technology Commission of Shanghai Municipality 10.13039/501100003399
Region: Asia
gov (Local government)
Labels4
1. Shanghai Municipal Science and Technology Commission
2. Shanghai Science and Technology Committee
3. 上海市科学技术委员会
4. STCSM
Awards1
1. 11JC140200

BibTeX

@article{Wang_2015, title={Bio‐Inspired Leaf‐Mimicking Nanosheet/Nanotube Heterostructure as a Highly Efficient Oxygen Evolution Catalyst}, volume={2}, ISSN={2198-3844}, url={http://dx.doi.org/10.1002/advs.201500003}, DOI={10.1002/advs.201500003}, number={4}, journal={Advanced Science}, publisher={Wiley}, author={Wang, Yongcheng and Jiang, Kun and Zhang, Hui and Zhou, Tong and Wang, Jiwei and Wei, Wei and Yang, Zhongqin and Sun, Xuhui and Cai, Wen‐Bin and Zheng, Gengfeng}, year={2015}, month=mar }

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