Chinese Journal of Catalysis ›› 2021, Vol. 42 ›› Issue (10): 1798-1807.DOI: 10.1016/S1872-2067(21)63808-1
• Articles • Previous Articles Next Articles
Xiangyong Zhanga, Tianying Liua, Ting Guoa, Xueying Hana, Zongyun Mua, Qiang Chenb, Jiangmin Jiangb, Jing Yanb, Jiaren Yuanc, Dezhi Wanga(), Zhuangzhi Wua(
), Zongkui Koub(
)
Received:
2021-02-06
Accepted:
2021-03-22
Online:
2021-10-18
Published:
2021-06-20
Contact:
Dezhi Wang,Zhuangzhi Wu,Zongkui Kou
Supported by:
Xiangyong Zhang, Tianying Liu, Ting Guo, Xueying Han, Zongyun Mu, Qiang Chen, Jiangmin Jiang, Jing Yan, Jiaren Yuan, Dezhi Wang, Zhuangzhi Wu, Zongkui Kou. Controlling atomic phosphorous-mounting surfaces of ultrafine W2C nanoislands monodispersed on the carbon frameworks for enhanced hydrogen evolution[J]. Chinese Journal of Catalysis, 2021, 42(10): 1798-1807.
Add to citation manager EndNote|Ris|BibTeX
URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(21)63808-1
Fig. 1. Structural analyses of WCP-2. (a,b) TEM images; (c) HRTEM image the WCP-2; (d1,d2) Images of the region enclosed by the white square of (c); (e) The particle size distribution; (f-k) HAADF-STEM image and the corresponding EDX mappings of W (g), C (h), P (i), N (j), and the merged image (k).
Fig. 2. Phase and elemental chemical state analyses of W2C and WCP-2. (a) The XRD patterns; (b) The Raman spectra; The XPS spectra: (c) W 4f, (d) C 1s, (e) N 1s and (f) P 2p of the W2C and WCP-2 catalysts.
Fig. 3. The HER performances of all the studied catalysts: (a) Polarization curves; (b) Tafel slopes; (c) Comparison of the η10 and Tafel slopes of the as-obtained catalysts in acidic solution; (d) Polarization curves; (e) Tafel slopes; (f) Comparison of the η10 and Tafel slopes of the as-obtained samples in alkaline solution; (g,h) Stability tests of WCP-2 in acidic and in alkaline solution, respectively.
Fig. 4. Active origin investigations of WCP catalysts. (a,d) Nyquist plots; (b,e) Measured capacitive currents plotted as a function of scan rate; (c,f) Comparison of the ECSA values and TOF values of the as-obtained samples in acidic and alkaline media, respectively.
Fig. 5. The effect of surface P-mounting levels on the catalytic performance. (a) The XRD patterns; (b) W 4f; (c) P 2p; (d) The atomic content of phosphorus by EDS and XPS of WCP catalysts; (e) The models of surface and bulk distribution of P substituents in WCP catalysts.
|
[1] | Xiaohan Wang, Han Tian, Xu Yu, Lisong Chen, Xiangzhi Cui, Jianlin Shi. Advances and insights in amorphous electrocatalyst towards water splitting [J]. Chinese Journal of Catalysis, 2023, 51(8): 5-48. |
[2] | Ce Han, Bingbao Mei, Qinghua Zhang, Huimin Zhang, Pengfei Yao, Ping Song, Xue Gong, Peixin Cui, Zheng Jiang, Lin Gu, Weilin Xu. Atomic Ru coordinated by channel ammonia in V-doped tungsten bronze for highly efficient hydrogen-evolution reaction [J]. Chinese Journal of Catalysis, 2023, 51(8): 80-89. |
[3] | Bin Chen, Ya-Fei Jiang, Hai Xiao, Jun Li. Bimetallic single-cluster catalysts anchored on graphdiyne for alkaline hydrogen evolution reaction [J]. Chinese Journal of Catalysis, 2023, 50(7): 306-313. |
[4] | Ling Ouyang, Jie Liang, Yongsong Luo, Dongdong Zheng, Shengjun Sun, Qian Liu, Mohamed S. Hamdy, Xuping Sun, Binwu Ying. Recent advances in electrocatalytic ammonia synthesis [J]. Chinese Journal of Catalysis, 2023, 50(7): 6-44. |
[5] | Zhihan Yu, Chen Guan, Xiaoyang Yue, Quanjun Xiang. Infiltration of C-ring into crystalline carbon nitride S-scheme homojunction for photocatalytic hydrogen evolution [J]. Chinese Journal of Catalysis, 2023, 50(7): 361-371. |
[6] | Bo Zhou, Jianqiao Shi, Yimin Jiang, Lei Xiao, Yuxuan Lu, Fan Dong, Chen Chen, Tehua Wang, Shuangyin Wang, Yuqin Zou. Enhanced dehydrogenation kinetics for ascorbic acid electrooxidation with ultra-low cell voltage and large current density [J]. Chinese Journal of Catalysis, 2023, 50(7): 372-380. |
[7] | Jiao Wang, Fangfang Zhu, Biyi Chen, Shuang Deng, Bochen Hu, Hong Liu, Meng Wu, Jinhui Hao, Longhua Li, Weidong Shi. B atom dopant-manipulate electronic structure of CuIn nanoalloy delivering wide potential activity over electrochemical CO2RR [J]. Chinese Journal of Catalysis, 2023, 49(6): 132-140. |
[8] | Wenjing Zhang, Jing Li, Zidong Wei. Carbon-based catalysts of the oxygen reduction reaction: Mechanistic understanding and porous structures [J]. Chinese Journal of Catalysis, 2023, 48(5): 15-31. |
[9] | Fangpei Ma, Qingping Tang, Shibo Xi, Guoqing Li, Tao Chen, Xingchen Ling, Yinong Lyu, Yunpeng Liu, Xiaolong Zhao, Yu Zhou, Jun Wang. Benzimidazole-based covalent organic framework embedding single-atom Pt sites for visible-light-driven photocatalytic hydrogen evolution [J]. Chinese Journal of Catalysis, 2023, 48(5): 137-149. |
[10] | Jingjing Li, Fengwei Zhang, Xinyu Zhan, Hefang Guo, Han Zhang, Wen-Yan Zan, Zhenyu Sun, Xian-Ming Zhang. Precise design of nickel phthalocyanine molecular structure: Optimizing electronic and spatial effects for remarkable electrocatalytic CO2 reduction [J]. Chinese Journal of Catalysis, 2023, 48(5): 117-126. |
[11] | Sue-Faye Ng, Xingzhu Chen, Joel Jie Foo, Mo Xiong, Wee-Jun Ong. 2D carbon nitrides: Regulating non-metal boron-doped C3N5 for elucidating the mechanism of wide pH range photocatalytic hydrogen evolution reaction [J]. Chinese Journal of Catalysis, 2023, 47(4): 150-160. |
[12] | Qi-Ni Zhan, Ting-Yu Shuai, Hui-Min Xu, Chen-Jin Huang, Zhi-Jie Zhang, Gao-Ren Li. Syntheses and applications of single-atom catalysts for electrochemical energy conversion reactions [J]. Chinese Journal of Catalysis, 2023, 47(4): 32-66. |
[13] | Zexing Wu, Yuxiao Gao, Zixuan Wang, Weiping Xiao, Xinping Wang, Bin Li, Zhenjiang Li, Xiaobin Liu, Tianyi Ma, Lei Wang. Surface-enriched ultrafine Pt nanoparticles coupled with defective CoP as efficient trifunctional electrocatalyst for overall water splitting and flexible Zn-air battery [J]. Chinese Journal of Catalysis, 2023, 46(3): 36-47. |
[14] | Ni Wang, Xue-Peng Zhang, Jinxiu Han, Haitao Lei, Qingxin Zhang, Hang Zhang, Wei Zhang, Ulf-Peter Apfel, Rui Cao. Promoting hydrogen evolution reaction with a sulfonic proton relay [J]. Chinese Journal of Catalysis, 2023, 45(2): 88-94. |
[15] | Yujie Li, Yuanyuan Liu, Zeyan Wang, Peng Wang, Zhaoke Zheng, Hefeng Cheng, Ying Dai, Baibiao Huang. Enhanced photocatalytic H2O2 production over Pt(II) deposited boron containing metal-organic framework via suppressing the simultaneous decomposition [J]. Chinese Journal of Catalysis, 2023, 45(2): 132-140. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||