Ni, Co, Zn, and Cu metal-organic framework-based nanomaterials for electrochemical reduction of CO₂: A review

• Ha Huu Do and
• Hai Bang Truong

Beilstein J. Nanotechnol. 2023, 14, 904–911, doi:10.3762/bjnano.14.74

• CO2 conversion. Finally, a meticulous discourse encompasses the challenges encountered and the prospects envisioned for the advancement of MOF-based nanomaterials in the realm of electrochemical reduction of CO2. Keywords: carbon capture; CO2 reduction; electrocatalysis; metal-organic frameworks

• presented. Finally, we present the potential pathways and current problems in progressing MOF-based nanomaterials for CO2 conversion. Review Mechanism of CO2RR The process of CO2 reduction consists of three steps. First, the CO2 molecules are adsorbed on the active sites of catalysts. Second, charge

• framework (ZIF) nanosheets as efficient material for electrochemical CO2 conversion [39]. 2D Ni(Im)2 materials with various thicknesses were fabricated through varying centrifugation speeds (Figure 2a). The outcome revealed that the optimal sample, possessing a thickness of 5 nm, yielded the highest

Recent trends in Bi-based nanomaterials: challenges, fabrication, enhancement techniques, and environmental applications

• Vishal Dutta,
• Ankush Chauhan,
• Ritesh Verma,
• C. Gopalkrishnan and
• Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 1316–1336, doi:10.3762/bjnano.13.109

Mo-doped boron nitride monolayer as a promising single-atom electrocatalyst for CO₂ conversion

• Qianyi Cui,
• Gangqiang Qin,
• Weihua Wang,
• Lixiang Sun,
• Aijun Du and
• Qiao Sun

Beilstein J. Nanotechnol. 2019, 10, 540–548, doi:10.3762/bjnano.10.55

• ambient conditions. Keywords: boron nitride monolayer; CO2 conversion; density functional theory; single-atom electrocatalyst; Introduction In the past decades, considerable carbon dioxide emissions into the atmosphere due to large-scale anthropogenic industrial manufacturing have resulted in global

• (TM = Sc to Zn, Mo, Rh, Ru, Pd and Ag) anchored on the boron vacancy in a BN monolayer as electrocatalysts for CO2 conversion through comprehensive density functional theory (DFT) calculations. Based on the calculated results, single Mo doped onto a BN (Mo-doped BN) monolayer was selected as the

• catalyst for further investigation of CO2 conversion due to its high selectivity and activation for CO2. The study shows that Mo-doped BN monolayers can be used as a promising catalyst for CO2 reduction to CH4 with a low limiting potential of −0.45 V. More importantly, Mo is an abundant element in the

Reduced graphene oxide supported C₃N₄ nanoflakes and quantum dots as metal-free catalysts for visible light assisted CO₂ reduction

• Md Rakibuddin and
• Haekyoung Kim

Beilstein J. Nanotechnol. 2019, 10, 448–458, doi:10.3762/bjnano.10.44

• of photo-induced electron–hole pairs and insufficient adsorption of CO2 at the catalyst surface are crucial problems preventing effective catalyst performance and CO2 reduction [11]. An ideal photocatalyst for CO2 conversion should possess a narrow bandgap and good light-harvesting properties, proper

Cr(VI) remediation from aqueous environment through modified-TiO₂-mediated photocatalytic reduction

• Rashmi Acharya,
• Brundabana Naik and
• Kulamani Parida

Beilstein J. Nanotechnol. 2018, 9, 1448–1470, doi:10.3762/bjnano.9.137

• friendly manner [26][27][28][29]. This process involves: (i) generation of renewable energy such as H2 and O2 by photoelectrochemical water splitting [30][31][32], (ii) photocatalytic CO2 conversion [33][34][35][36][37], (iii) photocatalytic nitrogen (N2) fixation [38], (iv) selective organic

• (Equation 3) at the CB after the reduction reaction carried out by eCB− when the CB potential is more negative than the redox potential of H2 (E0H+/H2 = 0 V vs NHE at pH 0.0) . Photocatalytic CO2 conversion The increasing concentration of greenhouse gases (particularly CO2) in the atmosphere has caused

• only decreasing the concentration of atmospheric CO2 but also producing energy fuels such as CH4 [53]. In the process of photocatalytic CO2 conversion, H2O and CO2 adsorbed on the surface of the semiconductor are converted to CH4 and O2 under irradiation of suitable light energy as shown in the

Understanding the performance and mechanism of Mg-containing oxides as support catalysts in the thermal dry reforming of methane

• Nor Fazila Khairudin,
• Mohd Farid Fahmi Sukri,
• Mehrnoush Khavarian and
• Abdul Rahman Mohamed

Beilstein J. Nanotechnol. 2018, 9, 1162–1183, doi:10.3762/bjnano.9.108

• 53.25 m2/g. Ni nanoparticles with a diameter of 21.4 nm were dispersed on the support. For the catalyst performance, at a reaction temperature range of 750 °C to 800 °C was used and CO2 conversion and H2/CO ratios almost achieved thermodynamic equilibrium. At the reaction temperature range of 500 °C to

• and 13 wt %, respectively). Based on the reactivity in DRM, both NiMg/Al2O3 catalysts prepared via different methods showed similar CO2 conversion of 27% at a reaction temperature of 600 °C, whereas the NiMg/Al2O3 catalyst prepared via the impregnation method showed a slightly higher CO2 conversion of

Carbon dioxide hydrogenation to aromatic hydrocarbons by using an iron/iron oxide nanocatalyst

• Hongwang Wang,
• Jim Hodgson,
• Tej B. Shrestha,
• Prem S. Thapa,
• David Moore,
• Xiaorong Wu,
• Myles Ikenberry,
• Deryl L. Troyer,
• Donghai Wang,
• Keith L. Hohn and
• Stefan H. Bossmann

Beilstein J. Nanotechnol. 2014, 5, 760–769, doi:10.3762/bjnano.5.88

• ] and copper [22] had significant effect on both the reactivity and selectivity of the iron-based catalysts. Higher olefins and aliphatic hydrocarbons, as well as improved CO2 conversion, were achieved. Al2O3 was found to be an excellent structural promoter to sustain the catalyst activity of iron-based

• benzene. Further explanations are provided in the text. Iron, oxygen, nitrogen, carbon and chloride content at the catalyst surface, as determined by XPS, as a function of catalytic runs. Supporting Information CO2 conversion data at 400 °C, characterization of all relevant intermediates and products by