Integrating two-dimensional MXene fillers into nanocellulose for the fabrication of CO2 separation membranes

Hu, Zhirong; Yang, Yilin; Zhang, Xiongfei; Xu, Chuan; Yao, Jianfeng

doi:10.1016/j.seppur.2023.124704

Cited by 15 publications

(1 citation statement)

References 54 publications

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“…The synthesis of UiO-66 and UiO-66-NH 2 crystals was modified from prior studies with a slight modification [32,33]. To synthesize UiO-66, 0.8 mmol of ZrCl 4 and 0.8 mmol of BDC were combined and then added to 82 mL of DMF.…”

Section: Preparation Of Uio-66 and Uio-66-nhmentioning

confidence: 99%

Immobilization of UiO-66-NH2 into Bacterial Cellulose Aerogels for Efficient Particulate Matter Filtration

Dai,

Liu,

Zheng

et al. 2023

Sustainability

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Metal–organic frameworks (MOFs) hold great potential for efficient removal of particulate matter (PM) due to their high porosity and tunable surface groups. In this work, sustainable bacterial cellulose (BC) was employed as a substrate for Zr-based MOF (i.e., UiO-66-NH2) deposition. Specifically, the UiO-66-NH2@BC aerogel exhibits a multi-level pore structure with a specific surface area of 103 m2/g. Pristine BC aerogels indicated a removal efficiency of 50.6% for PM2.5, with a pressure drop of 22.8 Pa. While UiO-66-NH2@BC aerogels showed a PM2.5 removal efficiency of 96.9%. The filtration mechanism can be assigned to the following reasons: (i) the interception/impaction of PM with the fibrous and porous aerogel network; and (ii) the presence of polar amine groups that boost electrostatic interactions between PM and MOFs. Moreover, as-prepared filters can be regenerated in a facile way with good reusability and long-term stability.

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Section: Preparation Of Uio-66 and Uio-66-nhmentioning

confidence: 99%