2017
DOI: 10.1016/j.nanoen.2017.06.032
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Bimetallic (FexNi1−x)2P nanoarrays as exceptionally efficient electrocatalysts for oxygen evolution in alkaline and neutral media

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Cited by 223 publications
(135 citation statements)
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“…To explore the role of Ni 3+ cations on the OER performance, we tested the composition change of CoNiPO 4 (L) after CV testing through XPS (Figure S19). It is known that the phosphate would convert into metal oxyhydroxides during the alkaline OER process . As shown in Figure S19, the concentration of Ni 3+ cations in the oxyhydroxide derived from CoNiPO 4 (L) is much higher than that from CoNiPO 4 (E), which corresponds to the higher oxidation peak in the LSV plot of CoNiPO 4 (L) (Figure a).…”
Section: Figurementioning
confidence: 99%
“…To explore the role of Ni 3+ cations on the OER performance, we tested the composition change of CoNiPO 4 (L) after CV testing through XPS (Figure S19). It is known that the phosphate would convert into metal oxyhydroxides during the alkaline OER process . As shown in Figure S19, the concentration of Ni 3+ cations in the oxyhydroxide derived from CoNiPO 4 (L) is much higher than that from CoNiPO 4 (E), which corresponds to the higher oxidation peak in the LSV plot of CoNiPO 4 (L) (Figure a).…”
Section: Figurementioning
confidence: 99%
“…In addition, the peaks for Ni in Fe 0.37 Ni 0.17 Co 0.36 Se are shifted toward higher binding energies compared with that of NiCo 2 Se 4 , which implies stronger electron interactions in Fe 0.37 Ni 0.17 Co 0.36 Se. The opposite shifts for cobalt and nickel indicate the existence of electron transfer between these elements, which results in a beneficial synergy between them . The strong electron interactions between Fe, Ni, Co, and Se may contribute to the better electrocatalytic performance of Fe 0.37 Ni 0.17 Co 0.36 Se compared with NiCo 2 Se 4 .…”
Section: Resultsmentioning
confidence: 99%
“…The opposites hifts for cobalt and nickel indicate the existence of electron transfer between these elements,w hich results in ab eneficial synergyb etween them. [11] The strong electron interactions between Fe, Ni, Co, and Se may contribute to the better electrocatalytic performance of Fe 0.37 Ni 0.17 Co 0.36 Se compared with NiCo 2 Se 4 .F igure 4d displays the XPS spectrum of Se. The bindinge nergies at 54.6 (Se 3d 3/2 ) and 53.8 eV (Se 3d 5/2 )a re due to Se 2À .T his indicates the formation of selenide.…”
Section: Resultsmentioning
confidence: 99%
“…All the sample contained CdS show the similar XRD patterns compared with the pure CdS sample, which proved that the existence of Ni 2 P and g‐C 3 N 4 could hardly change the crystalline structure of CdS nanorods. The pristine Ni 2 P sample dispalys clear characteristic diffraction peaks at 40.7 ○ , 44.5 ○ , 47.4 ○ , 54.3 ○ , 54.8 ○ , 66.2 ○ , 72.7 ○ and 74.8 ○ which corresponding to (111), (201), (210), (300), (211), (310), (311) and (400) planes of the hexagonal phase structure of Ni 2 P (PDF#04‐004‐5163) …”
Section: Resultsmentioning
confidence: 99%