2020
DOI: 10.1016/j.apcatb.2020.119241
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Highly stable two-dimensional bismuth metal-organic frameworks for efficient electrochemical reduction of CO2

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Cited by 148 publications
(92 citation statements)
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“…However, compared with the well-studied transition metal-based materials, the electrochemical applications of bismuth are rarely reported. After the pioneering studies of its fundamental electrochemistry reported in the 1970s and the 1980s Wright, 1976, 1977;Wrona and Galus, 1980), it is only recently that bismuth-based materials (metal and oxides) have started to regain researchers' attention due to their unexpected high catalytic activity in the electrochemical reduction of carbon dioxide (Deng et al, 2019;Gong et al, 2019;Li et al, 2020;Medina-Ramos et al, 2017;Zhang et al, 2019) and nitrogen (Li et al, 2019;Wang et al, 2019;Yao et al, 2020), both of which involve the cathodic properties of bismuth atoms at low-valent states. Nevertheless, the utilization of its high-valent states under anodic conditions, such as Bi(III) and Bi(V), for the electrocatalytic oxidation process has not been demonstrated yet.…”
Section: Introductionmentioning
confidence: 99%
“…However, compared with the well-studied transition metal-based materials, the electrochemical applications of bismuth are rarely reported. After the pioneering studies of its fundamental electrochemistry reported in the 1970s and the 1980s Wright, 1976, 1977;Wrona and Galus, 1980), it is only recently that bismuth-based materials (metal and oxides) have started to regain researchers' attention due to their unexpected high catalytic activity in the electrochemical reduction of carbon dioxide (Deng et al, 2019;Gong et al, 2019;Li et al, 2020;Medina-Ramos et al, 2017;Zhang et al, 2019) and nitrogen (Li et al, 2019;Wang et al, 2019;Yao et al, 2020), both of which involve the cathodic properties of bismuth atoms at low-valent states. Nevertheless, the utilization of its high-valent states under anodic conditions, such as Bi(III) and Bi(V), for the electrocatalytic oxidation process has not been demonstrated yet.…”
Section: Introductionmentioning
confidence: 99%
“…This shows a comparable electrocatalytic performance among the previously reported Bi-based electrocatalysts. [23,31,[40][41][42][43][44] Remarkably, the total FEs for C1 products (e.g., formate and CO) reach a value of over 90% from −1.4 to −0.9 V and achieve the maximal near-unity at −1.1 V, suggesting the high selectivity of Bi 2 S 3 -Bi 2 O 3 NSs for CO 2 RR relative to the parasitic HER (Figure S8, Supporting Information). Figure 3c shows the potential window with high FE of formate over Bi 2 S 3 -Bi 2 O 3 NSs against the recently reported high-performance Bi-based electrocatalysts (Table S1, Supporting Information).…”
Section: Electrocatalytic Co 2 Reduction Performancesmentioning
confidence: 95%
“…MOF-based electrocatalysts have also been extensively exploited for the CO 2 RR, 133,134 whereas there are only several reports on the electrochemical CO 2 RR over 2D MOFbased electrocatalysts. [135][136][137][138] For example, a 2D porous Bi-MOF was demonstrated to be a highly active electrocatalyst for the selective reduction of CO 2 to HCOOH with a Faraday efficiency of 92.2% for HCOOH formation at an overpotential of 0.65 V with exceptional stability over 30 h. 135 The operando and ex situ X-ray absorption fine structure spectroscopy and theoretical calculations revealed that abundant accessible Bi 3+ ions and one-dimensional channels in Bi-MOF promote CO 2 adsorption and HCOOH formation, while suppressing the side-reaction of the HER. In another work, bimetallic 2D conjugated MOF layers (PcCu-O 8 -Zn) with copper-phthalocyanine (CuN 4 ) as a ligand and zinc-bis(dihydroxy) (ZnO 4 ) complex as a linkage were reported for the CO 2 RR by Feng et al, exhibiting a CO selectivity of 88%, a turnover frequency of 0.39 s −1 and excellent durability for at least 10 h. 136 The synergistic catalysis mechanism for the CO 2 RR was revealed by contrast experiments combined with operando spectroelectrochemistry and theoretical calculations, revealing that the ZnO 4 complex acted as the catalytic sites, while CuN 4 centers promoted the protonation of adsorbed CO 2 .…”
Section: D Mof-based Materials For the Co 2 Rrmentioning
confidence: 99%