Phosphorus Vacancies that Boost Electrocatalytic Hydrogen Evolution by Two Orders of Magnitude

Abstract

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Stabilization of Cu+ via Strong Electronic Interaction for Selective and Stable CO2 Electroreduction

“…Cu 2 O(111) and h-BN(002) slabs were first constructed as model systems of cubic Cu 2 O and hexagonal BN, respectively, matching the experimentally determined XRD planes (Figure 1a). [54] In contrast, the B 2p and N 2p states (Figure 5b) of Cu 2 OÀ BN differ markedly from those of h-BN. Combined with the right shift of the Cu 3d In other words, h-BN becomes slightly semi-conductive owing to electron transfer from Cu 2 O, which is similar to previous theoretical results wherein Ni-supported h-BN has slightly metallic properties.…”

Defect engineering of two-dimensional materials for advanced energy conversion and storage

“…7b and c). 155 Moreover, Barik et al confirmed that the presence of vacancies in monolayer MoS 2 could remarkably enhance the Li/Na-ion storage capability (Fig. 7d).…”

“…Copyright 2020, Elsevier Ltd. (b and c) Electron distribution (b) and 2D charge difference isosurface (c) of V P -modified Ni 12 P 5 nanosheets. Reproduced with permission 155. Copyright 2020, Wiley-VCH.…”

Stabilization of Cu+ via Strong Electronic Interaction for Selective and Stable CO2 Electroreduction

“…Based on this assumption, it was deduced that for Cu 2 OÀ BN, the slight decrease in FE CO and FE C 2 H 4 in the ensuing 12 h (Figure 3f) was predominantly due to a partial reduction of the Cu + species to metallic Cu 0 . [35] However, for Cu 2 O, without the protection of the h-BN sheets, most of the Cu + species are [54] In contrast, the B 2p and N 2p states (Figure 5b) of Cu 2 OÀ BN differ markedly from those of h-BN. Combined with the right shift of the Cu 3d band, the significant left shift of the B 2p and N 2p energy states demonstrates electron transfer from Cu 2 O to h-BN and the existence of strong electronic interactions.…”