2020
DOI: 10.1039/d0ta00422g
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Revealing the defect-dominated oxygen evolution activity of hematene

Abstract: Oxygen electrocatalysis is vital for advanced energy technologies, but inordinate challenges remain due to the lack of highly active earth-abundant catalysts.

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Cited by 63 publications
(43 citation statements)
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“…Liquid exfoliated Fe 2 O 3 modified through defect engineering increases the number of active sites involving surface oxygen. [ 139 ] It provides flexible structure and increased conductivity, which results in a reduction of the potential barrier in OER process. It is widely accepted that doping with redox active cations such as Co and Ni into lattice can significantly improve the catalytic performance.…”
Section: Transition Metal‐based Oer Electrocatalystsmentioning
confidence: 99%
“…Liquid exfoliated Fe 2 O 3 modified through defect engineering increases the number of active sites involving surface oxygen. [ 139 ] It provides flexible structure and increased conductivity, which results in a reduction of the potential barrier in OER process. It is widely accepted that doping with redox active cations such as Co and Ni into lattice can significantly improve the catalytic performance.…”
Section: Transition Metal‐based Oer Electrocatalystsmentioning
confidence: 99%
“…It further signifies the first direct exfoliation of Hematene with sonication method within a short period. We called it a fast process, as the time required for the formation of Hematene is 5 min, whereas in other studies it takes a long time (more than 20 hours) to exfoliate the sample [22,26,27] which finds an interesting aspect from the processing point of view, and it is first of its kind to the best of our knowledge.…”
Section: Hematene Fabrication and Its Morphological Study With Hrtemmentioning
confidence: 99%
“…There are two types of atomic layers observed. The inward layer and outer layers are repeating in ordered manners refer to the formation of a single layer Hematene sheet [22,27]. The FFT of the corresponding lattice fringes [ Figure 2J] also shows the formation of hexagonal spots corresponding to each atom constituting the Hematene crystallographic structure and its repeating in a similar pattern.…”
Section: Detail Atomic Structure Investigation Of Hematene Sheet Withmentioning
confidence: 99%
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“…Whether these materials possess any characteristics for photoelectrochemical functionality, we have further studied its detailed structural, topological, morphological, optical and surface composition investigation with advanced microscopy as well as spectroscopic and diffraction tools. manners refer to the formation of a single layer Hematene sheet [22,27].…”
Section: Sonochemical Exfoliation Of Hematene Sheets and Flakesmentioning
confidence: 99%