Blar i NTNU Open på forfatter "Deng, Jing"
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A Brief Review of Nanocellulose Based Hybrid Membranes for CO2 Separation
Dai, Zhongde; Ottesen, Vegar; Deng, Jing; Helberg, Ragne M Lilleby; Deng, Liyuan (Journal article; Peer reviewed, 2019)Due to the high specific surface area, high mechanical strength and broad possibility of surface modification, nanocellulose has obtained much attention as a new class of bio-based nanomaterials with promising potential ... -
Carbon molecular-sieve membranes developed from a Tröger's base polymer and possessing superior gas-separation performance
Dai, Zhongde; Guo, Hongfang; Deng, Jing; Deng, Liyuan; Yan, Jiaqi; Spontak, Richard J (Journal article; Peer reviewed, 2023)Carbon molecular-sieve membranes possess tremendous practical advantages over unary polymer membranes by providing high gas-separation performance levels, coupled with excellent mechanical and chemical stability. Improving ... -
Cross-linked PEG Membranes of Interpenetrating Networks with ILs as Additives for Enhanced CO2 Separation
Deng, Jing; Yu, Junbo; Dai, Zhongde; Deng, Liyuan (Journal article; Peer reviewed, 2019)Polyethylene glycol (PEG)-based membranes have recently been reported with excellent CO2 separation performances. However, the commonly exhibited high crystallinity may deteriorate the gas permeation properties in this ... -
Cross-linked PEG/ ionic liquid composite membranes for CO2 separation
Yu, Junbo (Master thesis, 2018)The increasing CO2 emission has become an urgent issue in the past decades. Comparing with other traditional CO2 separation technologies such as amino absorption, membrane separation has been considered as a potential ... -
The Effect of Crosslinking on the Physical Aging of PTMSP Membranes
Suciu, Sandra-Paula (Master thesis, 2017)For post-combustion CO2 capture, membranes with high permeability and relatively high CO2/N2 selectivity are favoured to compete with the commercial amine-based absorption technology. With the highest known CO2 permeability, ... -
Effects of Porous Supports in Thin-Film Composite Membranes on CO<inf>2</inf> Separation Performances
Guo, Hongfang; Xu, Wenqi; Wei, Jing; Ma, Yulei; Qin, Zikang; Dai, Zhongde; Deng, Jing; Deng, Liyuan (Peer reviewed; Journal article, 2023)Despite numerous publications on membrane materials and the fabrication of thin-film composite (TFC) membranes for CO2 separation in recent decades, the effects of porous supports on TFC membrane performance have rarely ... -
Effects of the Morphology of the ZIF on the CO2 Separation Performance of MMMs
Deng, Jing; Dai, Zhongde; Deng, Liyuan (Peer reviewed; Journal article, 2020)In this study, three zeolitic imidazolate frameworks (ZIFs) with different shapes—particles (0D), microneedles (1D), and leaves (2D)—were synthesized by tuning the polymeric additives. These ZIFs have been dispersed into ... -
Fabrication and Evaluation of Bio-based Nanocomposite TFC Hollow Fiber Membranes for Enhanced CO2 capture
Dai, Zhongde; Deng, Jing; Yu, Qiang; Helberg, Ragne M Lilleby; Janakiram, Saravanan; Ansaloni, Luca; Deng, Liyuan (Journal article; Peer reviewed, 2019)Nanocellulose is a promising and sustainable biobased nanomaterial because of its excellent mechanical properties, biocompatibility, natural abundance, and especially its high aspect ratio. Interest in applying nanocellulose ... -
Facile and Solvent-free Fabrication of PEG-based Membranes with Interpenetrating Networks for CO2 Separation
Deng, Jing; Dai, Zhongde; Yan, Jiaqi; Sandru, Marius; Sandru, Eugenia; Spontak, Richard J; Deng, Liyuan (Journal article; Peer reviewed, 2018)For nearly two decades, membranes derived from polyethers have served as promising candidate materials for CO2 separation. Due to the inherent tendency of high-molecular-weight poly(ethylene oxide) (PEO) to crystallize and ... -
H-2-selective Troger's base polymer based mixed matrix membranes enhanced by 2D MOFs
Deng, Jing; Dai, Zhongde; Deng, Liyuan (Peer reviewed; Journal article, 2020)In this work, two two-dimensional (2D) leaf ZIFs (ZIF-L-Zn and ZIF-L-Co) were incorporated into the Troger's base (TB)-based polymers for hydrogen separation. SEM imaging and enhanced performance have demonstrated good ... -
Helium separation using membrane technology: Recent advances and perspectives
Dai, Zhongde; Deng, Jing; He, Xuezhong; Scholes, Colin; Jiang, Xia; Wang, Bangda; Guo, Hongfang; Ma, Yulie; Deng, Liyuan (Peer reviewed; Journal article, 2021)Helium is an unrenewable noble gas produced from natural gas with a wide range of scientific, medical, and industrial applications. Due to the large differences in the kinetic diameters between helium (0.26 nm) and nitrogen ... -
High-performance carbon-capture membranes developed by (non)solvent-induced nanostructural rearrangement in Nafion
Wei, Jing; Deng, Jing; Ma, Yulei; Qin, Zikang; Wang, Bangda; Deng, Liyuan; Spontak, Richard J; Dai, Zhongde (Peer reviewed; Journal article, 2023)Membrane materials exhibiting high CO2 permeability and selectivity are needed for CO2 capture to mitigate global climate change. In this study, Nafion is dissolved in and cast from N-methylpyrrolidone to generate membranes ... -
Highly CO2-permeable membranes derived from a midblock-sulfonated multiblock polymer after submersion in water
Dai, Zhongde; Deng, Jing; Aboukeila, Hesham; yuan, jiaqi; Ansaloni, Luca; Mineart, Kenneth P.; Baschetti, Marco Giacinti; Spontak, Richard J; Deng, Liyuan (Journal article; Peer reviewed, 2019)To mitigate the effect of atmospheric CO2 on global climate change, gas separation materials that simultaneously exhibit high CO2 permeability and selectivity in gas mixtures must be developed. In this study, CO2 transport ... -
Incorporation of Metallic Species into Midblock‐Sulfonated Block Ionomers
Deng, Jing; Yan, Jiaqi; Tilly, Joseph C.; Deng, Liyuan; Mineart, Kenneth P.; Spontak, Richard J. (Journal article; Peer reviewed, 2018)Block ionomers can, in the same fashion as their neutral block copolymer analogs, microphase‐order into various nanoscale morphologies. The added benefit of a copolymer possessing a charged species is that the resultant ... -
An integrated materials approach to ultrapermeable and ultraselective CO2 polymer membranes
Sandru, Marius; Sandru, Eugenia-Mariana; Ingram, Wade F.; Deng, Jing; Stenstad, Per Martin; Deng, Liyuan; Spontak, Richard J (Peer reviewed; Journal article, 2022)A challenge in the design of polymeric membranes for gas separation is the tradeoff between permeability, or how fast gases can flow through the membrane, and selectivity, the ability to separate one gas from another. In ... -
Morphologically Tunable MOF Nanosheets in Mixed Matrix Membranes for CO2 Separation
Deng, Liyuan; Deng, Jing; Dai, Zhongde; Hou, Jingwei (Peer reviewed; Journal article, 2020)This study first develops a facile method to synthesize zeolitic imidazolate framework cuboid (ZIF-C) nanosheets with tunable thickness from 70 to 170 nm from aqueous polymer solutions. The obtained ZIF-C nanosheets were ... -
Nafion/PEG hybrid membrane for CO 2 separation: Effect of PEG on membrane micro-structure and performance
Dai, Zhongde; Aboukeila, Hesham; Deng, Jing; Ansaloni, Luca; Baschetti, Marco Giacinti; Deng, Liyuan (Journal article; Peer reviewed, 2018)In the present work, PEGDME with different molecular weight (Mn ∼ 250 and 500 g/mol) was added into Nafion-based membranes as CO2-philic additive, aiming at improving their CO2 capture performance. The physical, chemical ... -
Nanocellulose Crystal-Enhanced Hybrid Membrane for CO2 Capture
Dai, Zhongde; Deng, Jing; Ma, Yulei; Guo, Hongfang; Wei, Jing; Wang, Bangda; Jiang, Xia; Deng, Liyuan (Peer reviewed; Journal article, 2022)Developing a membrane material with both high CO2 permeability and high CO2/N2 selectivity is always desired for CO2 capture, while improving the sustainability of the membrane preparation process is of equal importance. ... -
Optimization of PEG-based membranes and mixed matrix membranes for CO2 capture
Deng, Jing (Doctoral theses at NTNU;2020:35, Doctoral thesis, 2019)Design better CO2 separation membranes for capture CO2 The elevated CO2 concentration has been widely recognized as one of the main factors leading to the increasing serious global warming. To prevent it from continuing ... -
Pebax/PEG Grafted CNT Hybrid Membranes for Enhanced CO2/N2 Separation
Dai, Zhongde; Deng, Jing; Peng, Kang-Jen; Liu, Ying-Ling; Deng, Liyuan (Peer reviewed; Journal article, 2019)In the present study, poly(ethylene glycol) (PEG) functionalized carbon nanotubes (CNT-PEG) were used as nanoadditives to fabricate hybrid membranes for enhanced CO2 separation in Pebax 1657 matrix. The resultant membranes ...