Paper
Dalton Transactions
the minimum Rct compared to the other electrocatalysts
(Fig. S18†), indicating that Fe0.27Co0.73P/NF has faster reaction
kinetics and the decrease in charge transfer resistance contrib-
ute to the improvement in the electrocatalytic efficiency.
8 C. Tang, L. Gan, R. Zhang, W. Lu, X. Jiang, A. Asir, X. Sun,
J. Wang and L. Chen, Nano Lett., 2016, 16, 6617–6621.
9 C. McCrory, S. Jung, I. Ferrer, S. Chatman, J. Peters and
T. Jaramillo, J. Am. Chem. Soc., 2015, 137, 4347–4357.
10 Y. Guo, P. Yuan, J. Zhang, H. Xia, F. Cheng, M. Zhou,
J. Li, Y. Qiao, S. Mu and Q. Xu, Adv. Funct. Mater., 2018,
28, 9.
Conclusions
11 Z. Pu, C. Zhang, I. Amiinu, W. Li, L. Wu and S. Mu, ACS
Appl. Mater. Interfaces, 2017, 9, 16187–16193.
To sum up, a facile and practical approach was proposed to
fabricate iron-doped cobalt phosphide (Fe0.27Co0.73P) based on 12 Y. Yang, L. Dang, M. Shearer, H. Sheng, W. Li, J. Chen,
a metal–organic framework. With an optimized Fe doping, the
obtained electrocatalyst coated on the 3D porous conductive
P. Xiao, Y. Zhang, R. Hamers and S. Jin, Adv. Energy Mater.,
2018, 8, 9.
Ni foam substrate (Fe0.27Co0.73P/NF) required very little over- 13 L. Xu, Q. Jiang, Z. Xiao, X. Li, J. Huo, S. Wang and L. Dai,
potentials toward OER (η10 = 251 mV) and HER (η10 = 186 mV), Angew. Chem., Int. Ed., 2016, 55, 5277–5281.
demonstrating excellent electrocatalytic activities particularly 14 F. Li, B. Zhang, X. Li, Y. Jiang, L. Chen, Y. Li and L. Sun,
for OER. When Fe0.27Co0.73P/NF simultaneously served as the Angew. Chem., Int. Ed., 2011, 50, 12276–12279.
cathode and anode in an electrolytic cell containing a 1.0 M 15 A. Han, S. Jin, H. Chen, H. Ji, Z. Sun and P. Du, J. Mater.
KOH alkaline solution, only a 1.68 V potential was required to Chem. A, 2015, 3, 1941–1946.
afford the current density of 10 mA cm−2
Moreover, 16 Z. Zhang, B. Lu, J. Hao, W. Yang and J. Tang, Chem.
Fe0.27Co0.73P/NF also showed an excellent long-term electro- Commun., 2014, 50, 11554–11557.
chemical stability during the OER and HER electrocatalytic 17 Z. Xing, Q. Liu, A. M. Asiri and X. Sun, Adv. Mater., 2014,
processes. Undoubtedly, our strategy for the design and con- 26, 5702–5707.
struction of bifunctional electrocatalysts would provide a gui- 18 C. Zhang, Z. Pu, I. Amiinu, Y. Zhao, J. Zhu, Y. Tang and
.
dance for the development of multifunctional electrocatalysts
with high electrocatalytic activity and stability.
S. Mu, Nanoscale, 2018, 10, 2902–2907.
19 Z. Pu, I. Amiinu, C. Zhang, M. Wang, Z. Kou and S. Mu,
Nanoscale, 2017, 9, 3555–3560.
20 W. T. Koo, S. Yu, S. J. Choi, J. S. Jang, J. Y. Cheong and
I. D. Kim, ACS Appl. Mater. Interfaces, 2017, 9, 8201–
8210.
Conflicts of interest
There are no conflicts of interest to declare.
21 M. Wang, J. Liu, C. Guo, X. Gao, C. Gong, Y. Wang, B. Liu,
X. Li, G. G. Gurzadyan and L. Sun, J. Mater. Chem. A, 2018,
6, 4768–4775.
22 P. Wang, Z. Pu, Y. Li, L. Wu, Z. Tu, M. Jiang, Z. Kou,
I. Arniinu and S. Mu, ACS Appl. Mater. Interfaces, 2017, 9,
26001–26007.
Acknowledgements
This work was jointly supported by the Natural Science
Foundation of China (no. 51672204) and the National 23 J. Tian, Q. Liu, A. Asiri and X. Sun, J. Am. Chem. Soc., 2014,
Key Research and Development Program of China (no.
2016YFA0202603).
136, 7587–7590.
24 Y. Ning, D. Ma, Y. Shen, F. Wang and X. Zhang,
Electrochim. Acta, 2018, 265, 19–31.
25 Y. L. Li, B. M. Jia, B. Y. Chen, Q. L. Liu, M. K. Cai,
Z. Q. Xue, Y. N. Fan, H. P. Wang, C. Y. Su and G. Q. Li,
Dalton Trans., 2018, 47, 14679–14685.
References
1 J. H. Kim, D. H. Youn, K. Kawashima, J. Lin, H. Lim and 26 Y. L. Li, B. M. Jia, Y. Z. Fan, K. L. Zhu, G. Q. Li and C. Y. Su,
C. B. Mullins, Appl. Catal., B, 2018, 225, 1–7. Adv. Energy Mater., 2018, 8, 9.
2 T. Yang, L. Pei, S. Yan, Z. Yu, T. Yu and Z. Zou, Dalton 27 J. Masud, S. Umapathi, N. Ashokaan and M. Nath, J. Mater.
Trans., 2019, 48, 11927–11933. Chem. A, 2016, 4, 9750–9754.
3 B. S. Kumar, K. Tarafder, A. R. Shetty, A. C. Hegde, 28 Y. Pei, Y. Ge, H. Chu, W. Smith, P. Dong, P. M. Ajayan,
V. C. Gudla, R. Ambat, S. K. Kalpathy and S. Anandhan,
Dalton Trans., 2019, 48, 12684–12698.
4 L. Zhuang, L. Ge, Y. Yang, M. Li, Y. Jia, X. Yao and Z. Zhu,
Adv. Mater., 2017, 29, 1606793.
5 X. Wang, L. Dong, M. Qiao, Y. Tang, J. Liu, Y. Li, S. Li, J. Su
and Y. Lan, Angew. Chem., Int. Ed., 2018, 57, 9660–9664.
6 D. Chen, M. Qiao, Y. Lu, L. Hao, D. Liu, C. Dong, Y. Li and
S. Wang, Angew. Chem., Int. Ed., 2018, 57, 8691–8696.
7 M. I. Jamesh and X. Sun, J. Power Sources, 2018, 400, 31–68.
M. Ye and J. Shen, Appl. Catal., B, 2019, 244, 583–593.
29 F. Li, Y. Bu, Z. Lv, J. Mahmood, G. Han, I. Ahmad, G. Kim,
Q. Zhong and J. Baek, Small, 2017, 13, 6.
30 X. Wang, M. Pi, D. Zhang, H. Li, J. Feng, S. Chen and J. Li,
ACS Appl. Mater. Interfaces, 2019, 11, 14059–14065.
31 Z. Pu, I. Amiinu, M. Wang, Y. Yang and S. Mu, Nanoscale,
2016, 8, 8500–8504.
32 Y. Wang, C. Xie, Z. Zhang, D. Liu, R. Chen and S. Wang,
Adv. Funct. Mater., 2018, 28, 1703363.
16560 | Dalton Trans., 2019, 48, 16555–16561
This journal is © The Royal Society of Chemistry 2019