DOI: 10.1002/adfm.201502680. Enhanced Electrochemical H2 Evolution by Few‐Layered Metallic WS2(1−x)Se2x Nanoribbons

Enhanced Electrochemical H2 Evolution by Few‐Layered Metallic WS2(1−x)Se2x Nanoribbons

10.1002/adfm.201502680

Crossref journal-article

Wiley

Advanced Functional Materials (311)

Abstract

As an effective alternative to noble platinum electrocatalyst, earth abundant and inexpensive layered transition metal dichalcogenides (TMDs) are investigated for the hydrogen evolution reaction (HER). Compared with binary TMDs, the tunably composed ternary TMDs have hitherto received relatively little attention. Here, few‐layered ternary WS2(1−x)Se2x nanoribbons (NRs) with metallic 1T phases, much more catalytically active in HER, are prepared for the first time. The favorable ΔGHo introduced by the tensile region on the surface, along with the presence of local lattice distortions of the WS2(1−x)Se2x nanoribbons with metallic 1T phases, greatly promotes the HER process. These ternary NRs achieve the lowest overpotential of ≈0.17 V at 10 mA cm−2 and a Tafel slope of ≈68 mV dec−1 at a low catalyst loading (≈0.30 ± 0.02 mg cm−2). Notably, the long‐term durability suggests the potential of practical applications in acid electrolytes. The results here suggest that the ternary WS2(1−x)Se2x NRs with 1T phases are prominent alternatives to platinum‐based HER electrocatalysts.

Bibliography

Wang, F., Li, J., Wang, F., Shifa, T. A., Cheng, Z., Wang, Z., Xu, K., Zhan, X., Wang, Q., Huang, Y., Jiang, C., & He, J. (2015). Enhanced Electrochemical H2 Evolution by FewâLayered Metallic WS2(1âx)Se2x Nanoribbons. Advanced Functional Materials, 25(38), 6077â6083. Portico.

Authors 12

Fengmei Wang (first)
Jinshan Li (additional)
Feng Wang (additional)
Tofik Ahmed Shifa (additional)
Zhongzhou Cheng (additional)
Zhenxing Wang (additional)
Kai Xu (additional)
Xueying Zhan (additional)
Qisheng Wang (additional)
Yun Huang (additional)
Chao Jiang (additional)
Jun He (additional)

References 42 Referenced 117

Dates

Type	When
Created	9 years, 11 months ago (Sept. 9, 2015, 7:13 a.m.)
Deposited	1 year, 10 months ago (Oct. 6, 2023, 8:11 p.m.)
Indexed	1 day, 8 hours ago (Aug. 23, 2025, 9:29 p.m.)
Issued	9 years, 11 months ago (Sept. 9, 2015)
Published	9 years, 11 months ago (Sept. 9, 2015)
Published Online	9 years, 11 months ago (Sept. 9, 2015)
Published Print	9 years, 10 months ago (Oct. 1, 2015)

Funders 0

None

BibTeX

@article{Wang_2015, title={Enhanced Electrochemical H2 Evolution by Few‐Layered Metallic WS2(1−x)Se2x Nanoribbons}, volume={25}, ISSN={1616-3028}, url={http://dx.doi.org/10.1002/adfm.201502680}, DOI={10.1002/adfm.201502680}, number={38}, journal={Advanced Functional Materials}, publisher={Wiley}, author={Wang, Fengmei and Li, Jinshan and Wang, Feng and Shifa, Tofik Ahmed and Cheng, Zhongzhou and Wang, Zhenxing and Xu, Kai and Zhan, Xueying and Wang, Qisheng and Huang, Yun and Jiang, Chao and He, Jun}, year={2015}, month=sep, pages={6077–6083} }

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