Liquid metal-based electrosynthesis of stratified zinc–organic frameworks

Zheng, Jiewei; Mousavi, Maedehsadat; Baharfar, Mahroo; Sharma, Astha; Kumeria, Tushar; Han, Jialuo; Kumar, Priyank V.; Kalantar‐zadeh, Kourosh; Mayyas, Mohannad

doi:10.1039/d2tc01973f

Cited by 6 publications

(6 citation statements)

References 45 publications

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“…2b). [24][25][26][27] This characteristic facilitates surface modification of LMs through a galvanic replacement reaction (GRR), as illustrated in Fig. 2c.…”

Section: Low Standard Reduction Potentialmentioning

confidence: 99%

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Gallium-based liquid metals as reaction media for nanomaterials synthesis

Wang,

Lin

2024

Nanoscale

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“…2b). [24][25][26][27] This characteristic facilitates surface modification of LMs through a galvanic replacement reaction (GRR), as illustrated in Fig. 2c.…”

Section: Low Standard Reduction Potentialmentioning

confidence: 99%

“…14b). 141 Notable examples of this application include the production of layered Zn-MOFs using a liquid Ga–Zn alloy as the working electrode 26 as well as synthesizing zeolitic imidazolate frameworks (ZIFs)-8 through anodic oxidation of a Ga–Zn liquid alloy (Fig. 14c and d).…”

Section: Liquid Metal Reactors For Nanomaterials Synthesismentioning

confidence: 99%

Gallium-based liquid metals as reaction media for nanomaterials synthesis

Wang,

Lin

2024

Nanoscale

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“…Gallium (Ga) is widely used and researched among post‐transition metals due to its low toxicity and melting point of 29.8 °C. [ 1 ] Liquid Ga has distinct fluidic and metallic properties that allow it to alloy with a wide range of other post‐transition metals. [ 2 ] By carefully designing Ga‐based alloys, preserving fluidity near room temperature is possible.…”

Section: Introductionmentioning

confidence: 99%

High‐Throughput Ammonia Production from Nitrate Using Liquid Metal Synthesized Bismuth Nano‐Catalyst

Nazari,

Sun,

Baharfar

et al. 2024

Advanced Energy Materials

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The implementation of renewable energy sources to electrify ammonia (NH3) production is identified as a critical approach for achieving successful decarburization in the pursuit of a more sustainable future. A liquid metal‐based method is presented for synthesizing bismuth (Bi) nano‐electrocatalysts, enabling efficient and sustainable ammonia production via nitrate electroreduction. Bi‐metal precipitated from a gallium liquid metal alloy yields solution‐processable Bi and oxide with controllable nanostructures such as nanosheets, nanotubes, and nanoparticles. Combining Bi nano‐electrocatalysts and graphene liquid crystals creates self‐assembling layered electrocatalytic systems. Integrating 3D printing technology allows for precise control over the geometry, microporosity, and number of deposited layers of the electrocatalytic scaffold electrode, resulting in improved mass transport properties, durability, and the prevention of catalyst detachment. Consequently, the ammonia production rate reaches 400 nmol s−1 cm−2, with a Faradaic efficiency of over 90% and current densities exceeding 350 mA cm−2. These numbers indicate the excellent scalability potential of the proposed electrocatalytic system.

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“…For example, the base liquid metal can act as an activator for the electrosynthesis, enhancing the reaction rate and allowing the reaction to be carried out at a lower onset potential. [ 12 ] Additionally, when the liquid alloy is immersed in an electrolyte solution, a layer of solute metals can be dynamically diverted to the interface. [ 13 ] Subsequently, the interface of liquid metal becomes enriched with solute metal, which contributes to a higher interfacial exposure of the electrode, resulting in enhanced reaction efficiency.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Zinc in Liquid Metal Media as a Metal Ion Source for Highly Porous ZIF‐8 Synthesis

Zheng

Sharma

Kumeria

et al. 2023

Adv Funct Materials

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Liquid metals provide new dimensions for controlling and governing of reactions. The concept of freely moving metal solutes in liquid metals can be potentially used for enhancing and tuning interfacial reactions. In this work, zinc (Zn), as the solute metal is shown that, can move to the interface, enriching the interfacial area for the efficient synthesis of highly crystalline and porous zeolitic imidazolate framework‐8 (ZIF‐8). The highest rate of reaction is illustrated, and the best quality ZIF‐8, are obtained when a eutectic liquid metal system of Zn with gallium (Ga), containing 3.6 wt.% of Zn, is implemented. It is computationally shown that a combination of Ga activation and freely moving Zn leads to the highest reaction rate and better coordination with organic linkers. The comparisons with solid samples and non‐eutectic systems of Ga liquid demonstrate the advantages of eutectic mix. The work can be expanded to a variety of future interfacial reactions of zeolite imidazole frameworks for commercial scale up.

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Liquid metal-based electrosynthesis of stratified zinc–organic frameworks

Abstract: Post-transition metal-based liquid alloys are emerging as media for undertaking chemical reactions. When dissolved in such media, solute metals become highly reactive, making chemical reactions that involve these metals more...

Cited by 6 publications

References 45 publications

Gallium-based liquid metals as reaction media for nanomaterials synthesis

Gallium-based liquid metals as reaction media for nanomaterials synthesis

High‐Throughput Ammonia Production from Nitrate Using Liquid Metal Synthesized Bismuth Nano‐Catalyst

Dynamic Zinc in Liquid Metal Media as a Metal Ion Source for Highly Porous ZIF‐8 Synthesis

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