Single-Atom Ru Catalyst-Decorated CNF(ZnO) Nanocages for Efficient H<sub>2</sub> Evolution and CH<sub>3</sub>OH Production

Vennapoosa, Chandra Shobha; Varangane, Sagar; Abraham, B. Moses; Bhasin, Vidha; Bhattacharyya, Santanu; Wang, Xuefeng; Pal, Ujjwal; Chatterjee, Debabrata

doi:10.1021/acs.jpclett.3c02347

Cited by 12 publications

(2 citation statements)

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“…† In comparison to hexagonal NC(ZnO) nanostructures, the increased OER catalytic efficacy of Ru 1.75 @NC(ZnO) is caused by mass/charge transfer towards reactant molecules, which is advantageous due to its greater surface area and highly porous structure. 45 It is important to note that as Ru sites on the matrix of the NC template are deposited, the mesoporous dimension may become blocked, which might account for the decrease in BET surface area.…”

Section: Resultsmentioning

confidence: 99%

Atomically dispersed Ru sites on MOF-derived NC-ZnO for efficient oxygen evolution reaction in acid media

Varangane,

Madhu,

Mehmood

et al. 2024

J. Mater. Chem. A

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Section: Resultsmentioning

confidence: 99%

Atomically dispersed Ru sites on MOF-derived NC-ZnO for efficient oxygen evolution reaction in acid media

Varangane,

Madhu,

Mehmood

et al. 2024

J. Mater. Chem. A

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“…For decades, noble metals have been the primary option for fabricating catalysts with effective activity toward different oxidation reactions. , Nonetheless, their high cost and restricted availability impede their extensive use in practical catalytic applications. In contrast, much more abundant transition metal oxides offer a promising and potentially cost-efficient foundation for developing a diverse array of catalysts capable of oxidizing primary and secondary C–H bonds …”

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confidence: 99%

La(FeCuMnMgTi)O₃ High-Entropy Oxide Nanoparticles as Highly Efficient Catalysts for Solvent-Free Aerobic Oxidation of Benzyl Alcohol

Ostovari Moghaddam,

Mehrabi-Kalajahi,

et al. 2024

J. Phys. Chem. Lett.

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In this work, a solid-state method for the synthesis of perovskite La-(FeCuMnMgTi)O 3 high-entropy oxide (HEO) nanoparticles is detailed. Additionally, the high performance of these nanoparticles as catalysts in the aerobic and solvent-free oxidation of benzyl alcohol is demonstrated. The structural features of HEO nanoparticles are studied by Xray diffraction and high-resolution transmission electron microscopy. The La(FeCuMnMgTi)-O 3 nanoparticles demonstrate excellent benzyl alcohol conversion rates and selectivity for benzaldehyde, reaching 10.6% conversion and 52.8% selectivity after reaction for only 4 h and ≤75.6% conversion after 24 h. In addition, the as-prepared HEO catalyst displays robust stability in benzyl alcohol oxidation. Density functional theory calculations demonstrate that the adsorption energy of benzaldehyde on the HEO surface is lower than that of the benzoic acid. This, in turn, hinders the gradual conversion of benzaldehyde to benzoic acid on the surface of HEO and retains benzaldehyde as the main product.

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Emerging Photoreforming Process to Hydrogen Production: A Future Energy

Shelake,

Sutar,

Abraham

et al. 2024

Adv Funct Materials

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In the quest of renewable energy technologies, solar photoreforming emerges as one of the affordable yet challenging process for converting biomass into hydrogen, hydrocarbon fuels, and chemicals. This review highlights the state‐of‐the‐art photoreforming, elucidating its underlying mechanisms for the conversion of dissipated polymers into H2 and valuable chemicals. Biomass feedstocks such as carbohydrates, agricultural residues, glycopolymers, food wastes, and waste plastics are evaluated based on their chemical composition, energy content, and sustainability aspects, exploring the selection of appropriate bio‐renewable resources, considering their abundance, availability, and potential for hydrogen production. The impact of diverse process parameters on photoreforming efficiency is explored, encompassing factors like reaction temperature, pH, catalyst loading, reactor design, solvent effect, and light intensity across various sacrificial substrates. The discussion also considers their correlation with hydrogen production rate, selectivity, and energy efficiency. This review buckles on the design and synthesis of functional photocatalysts for biomass‐derived feedstock, highlighting their photocatalytic (PC) properties in biomass reforming processes and related feedstock into valuable chemicals and biofuel. The review also delves into potential pathways for future advancements including artificial intelligence (AI) and machine learning (ML), alongside addressing the challenges and insightful perspectives within this evolving field of future green energy.

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Single-Atom Ru Catalyst-Decorated CNF(ZnO) Nanocages for Efficient H₂ Evolution and CH₃OH Production

Cited by 12 publications

References 65 publications

Atomically dispersed Ru sites on MOF-derived NC-ZnO for efficient oxygen evolution reaction in acid media

Atomically dispersed Ru sites on MOF-derived NC-ZnO for efficient oxygen evolution reaction in acid media

La(FeCuMnMgTi)O₃ High-Entropy Oxide Nanoparticles as Highly Efficient Catalysts for Solvent-Free Aerobic Oxidation of Benzyl Alcohol

Emerging Photoreforming Process to Hydrogen Production: A Future Energy

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Single-Atom Ru Catalyst-Decorated CNF(ZnO) Nanocages for Efficient H2 Evolution and CH3OH Production

Cited by 12 publications

References 65 publications

Atomically dispersed Ru sites on MOF-derived NC-ZnO for efficient oxygen evolution reaction in acid media

Atomically dispersed Ru sites on MOF-derived NC-ZnO for efficient oxygen evolution reaction in acid media

La(FeCuMnMgTi)O3 High-Entropy Oxide Nanoparticles as Highly Efficient Catalysts for Solvent-Free Aerobic Oxidation of Benzyl Alcohol

Emerging Photoreforming Process to Hydrogen Production: A Future Energy

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Resources

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Single-Atom Ru Catalyst-Decorated CNF(ZnO) Nanocages for Efficient H₂ Evolution and CH₃OH Production

La(FeCuMnMgTi)O₃ High-Entropy Oxide Nanoparticles as Highly Efficient Catalysts for Solvent-Free Aerobic Oxidation of Benzyl Alcohol