Regulating microstructures of aerogels by controlling phase separation mechanism for improving specific surface area and energy harvesting

Wang, Yameng; Li, Hui; Xie, Yibing; Li, Xijue; Sun, Shuangjie; Jing, Xin; Mi, Hao-Yang; Wang, Yaming; Liu, Chuntai; Shen, Changyu

doi:10.1016/j.jcis.2023.12.072

Journal of Colloid and Interface Science

2024

DOI: 10.1016/j.jcis.2023.12.072

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Regulating microstructures of aerogels by controlling phase separation mechanism for improving specific surface area and energy harvesting

Yameng Wang,

Hui Li,

Yibing Xie

et al.

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Cited by 4 publications

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Template Quality Dependent Conversion Synthesis of Boron Nitride Coated Graphene Hybrid Aerogels for Ultrasensitive and Selective Ammonia Sensing

Li,

Long,

Turner

et al. 2024

Adv Funct Materials

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Recently, hexagonal boron nitride (h‐BN) nanomaterials, e.g., nanosheets and nanotubes, have been predicted to be effective materials for reversible gas adsorption with high selectivity once charged. However, despite the encouraging theoretical predictions, sensing with h‐BN is difficult to realize experimentally due to its electrically insulating nature stemming from its large band gap. In this research, the controlled synthesis of high surface area hybrid h‐BN/graphene aerogel is reported, using high‐quality graphene as a template, and its application for selective gas sensing. It is discovered for the first time in this system that the difficulty of conversion in template synthesis of h‐BN is positively correlated with the quality of the carbon template, an observation that is verified on both graphene nanosheets and carbon nanotubes. The application of this hybrid material for gas sensing yields ppb level of detection limit and high selectivity for NH3. Through density functional theory calculations, the adsorption energy and charge transfer between NH3 molecules and aerogel are greatly enhanced. Therefore, this innovative approach promises new possibilities for the application of h‐BN in gas sensing, with the potential to play a significant role in gas capture, environmental monitoring, and other related fields.

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Template Quality Dependent Conversion Synthesis of Boron Nitride Coated Graphene Hybrid Aerogels for Ultrasensitive and Selective Ammonia Sensing

Li,

Long,

Turner

et al. 2024

Adv Funct Materials

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Ultralight, superhydrophobic and biodegradable stereocomplex polylactide aerogel with superior oil-water separation and thermal insulation performances

Liu,

Chen,

Peng

et al. 2024

Industrial Crops and Products

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Structural and sorption characteristics of an aerogel composite material loaded with flufenamic acid: insights from MAS NMR and high-pressure NOESY studies

Sobornova,

Mulloyarova,

Belov

et al. 2024

Phys. Chem. Chem. Phys.

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Regulating microstructures of aerogels by controlling phase separation mechanism for improving specific surface area and energy harvesting

Cited by 4 publications

References 50 publications

Template Quality Dependent Conversion Synthesis of Boron Nitride Coated Graphene Hybrid Aerogels for Ultrasensitive and Selective Ammonia Sensing

Template Quality Dependent Conversion Synthesis of Boron Nitride Coated Graphene Hybrid Aerogels for Ultrasensitive and Selective Ammonia Sensing

Ultralight, superhydrophobic and biodegradable stereocomplex polylactide aerogel with superior oil-water separation and thermal insulation performances

Structural and sorption characteristics of an aerogel composite material loaded with flufenamic acid: insights from MAS NMR and high-pressure NOESY studies

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