Recent Submissions

  • Mechanistic insight into the improved Li ion conductivity of solid polymer electrolytes 

    Patra, Sudeshna; Thakur, Pallavi; Soman, Bhaskar; B. Puthirath, Anand; M. Ajayan, Pulickel; (2019)
    Polymer based solid electrolytes (SEs) are envisaged as futuristic components of safer solid state energy devices. But the semi-crystalline nature and slow dynamics of the host polymer matrix are found to hamper the ion transport through the solid polymer network and hence solid state devices are still far beyond the scope of practical application. ...
  • The application of amine-based materials for carbon capture and utilisation: an overarching view 

    Hamdy, Louise B.; Goel, Chitrakshi; Rudd, Jennifer A.; Barron, Andrew R.; Andreoli, Enrico (2021)
    In the ongoing research campaign to reduce the global atmospheric CO2 concentration, technologies are being developed to enable the capture of CO2 from dilute sources and conversion into higher-value products. Amine and polyamine-based materials feature widely in the literature as solid CO2 sorbents and as catalyst modifiers for CO2 electrochemical ...
  • Membrane Materials for Selective Ion Separations at the Water–Energy Nexus 

    DuChanois, Ryan M.; Porter, Cassandra J.; Violet, Camille; Verduzco, Rafael; Elimelech, Menachem; (2021)
    Synthetic polymer membranes are enabling components in key technologies at the water–energy nexus, including desalination and energy conversion, because of their high water/salt selectivity or ionic conductivity. However, many applications at the water–energy nexus require ion selectivity, or separation of specific ionic species from other similar ...
  • Patterning, Transfer, and Tensile Testing of Covalent Organic Framework Films with Nanoscale Thickness 

    Zhu, Dongyang; Hu, Zhiqi; Rogers, Tanya K.; Barnes, Morgan; Tseng, Chia-Ping; (2021)
    Covalent organic frameworks (COFs) are promising materials for a variety of applications, including membrane-based separations, thin-film electronics, and as separators for electrochemical devices. Robust mechanical properties are critical to these applications, but there are no reliable methods for patterning COFs or producing free-standing thin ...
  • Regulation of functional groups on graphene quantum dots directs selective CO2 to CH4 conversion 

    Zhang, Tianyu; Li, Weitao; Huang, Kai; Guo, Huazhang; Li, Zhengyuan; (2021)
    A catalyst system with dedicated selectivity toward a single hydrocarbon or oxygenate product is essential to enable the industrial application of electrochemical conversion of CO2 to high-value chemicals. Cu is the only known metal catalyst that can convert CO2 to high-order hydrocarbons and oxygenates. However, the Cu-based catalysts suffer from ...
  • Macroscopic weavable fibers of carbon nanotubes with giant thermoelectric power factor 

    Komatsu, Natsumi; Ichinose, Yota; Dewey, Oliver S.; Taylor, Lauren W.; Trafford, Mitchell A.; (2021)
    Low-dimensional materials have recently attracted much interest as thermoelectric materials because of their charge carrier confinement leading to thermoelectric performance enhancement. Carbon nanotubes are promising candidates because of their one-dimensionality in addition to their unique advantages such as flexibility and light weight. However, ...
  • Nanoscale Engineering of Inorganic Composite Scintillation Materials 

    Korzhik, Mikhail; Fedorov, Andrei; Dosovitskiy, Georgy; Anniyev, Toyli; Vasilyev, Maxim; (2021)
    This review article considers the latest developments in the field of inorganic scintillation materials. Modern trends in the improvement of inorganic scintillation materials are based on engineering their features at the nanoscale level. The essential challenges to the fundamental steps of the technology of inorganic glass, glass ceramics, and ceramic ...
  • Metal Oxide Catalysts for the Synthesis of Covalent Organic Frameworks and One-Step Preparation of Covalent Organic Framework-Based Composites 

    Zhu, Yifan; Zhu, Dongyang; Yan, Qianqian; Gao, Guanhui; Xu, Jianan; (2021)
    The integration of covalent organic frameworks (COFs) with inorganic materials provides opportunities to develop a new class of composite materials with high surface areas and novel functionalities relevant to photocatalysis, chemical adsorption, and magnetic resonance imaging. However, current methods for the preparation of COF-based composites ...
  • Band structure dependent electronic localization in macroscopic films of single-chirality single-wall carbon nanotubes 

    Gao, Weilu; Adinehloo, Davoud; Li, Xinwei; Mojibpour, Ali; Yomogida, Yohei; (2021)
    Significant understanding has been achieved over the last few decades regarding chirality-dependent properties of single-wall carbon nanotubes (SWCNTs), primarily through single-tube studies. However, macroscopic manifestations of chirality dependence have been limited, especially in electronic transport, despite the fact that such distinct behaviors ...
  • Highly active and selective oxygen reduction to H2O2 on boron-doped carbon for high production rates 

    Xia, Yang; Zhao, Xunhua; Xia, Chuan; Wu, Zhen-Yu; Zhu, Peng; (2021)
    Oxygen reduction reaction towards hydrogen peroxide (H2O2) provides a green alternative route for H2O2 production, but it lacks efficient catalysts to achieve high selectivity and activity simultaneously under industrial-relevant production rates. Here we report a boron-doped carbon (B-C) catalyst which can overcome this activity-selectivity dilemma. ...
  • Damage-tolerant 3D-printed ceramics via conformal coating 

    Sajadi, Seyed Mohammad; Vásárhelyi, Lívia; Mousavi, Reza; Rahmati, Amir Hossein; Kónya, Zoltán; (2021)
    Ceramic materials, despite their high strength and modulus, are limited in many structural applications due to inherent brittleness and low toughness. Nevertheless, ceramic-based structures, in nature, overcome this limitation using bottom-up complex hierarchical assembly of hard ceramic and soft polymer, where ceramics are packaged with tiny fraction ...
  • Super-elasticity at 4 K of covalently crosslinked polyimide aerogels with negative Poisson’s ratio 

    Cheng, Yang; Zhang, Xiang; Qin, Yixiu; Dong, Pei; Yao, Wei; (2021)
    The deep cryogenic temperatures encountered in aerospace present significant challenges for the performance of elastic materials in spacecraft and related apparatus. Reported elastic carbon or ceramic aerogels overcome the low-temperature brittleness in conventional elastic polymers. However, complicated fabrication process and high costs greatly ...
  • Aspects of Coatings on Buckypaper as a Study into the Expected Effects of Coatings on Carbon Nanotube Wires 

    Arano, Jafet; Bonilla-Rios, Jaime; Barrera, Enrique; Isenhart, Lucas (2021)
    Buckypaper (BP) was used as an accumulation of nanotubes to simulate as carbon nanotube (CNT) wires to study the interaction between four different insulating coating materials and CNTs. The wettability and electrical conductivity performance of each CNT/coating pair was assessed. The BP was prepared by filtering a sonicated solution of single-walled ...
  • Giant terahertz polarization rotation in ultrathin films of aligned carbon nanotubes 

    Baydin, Andrey; Baydin, Andrey; Komatsu, Natsumi; Tay, Fuyang; Ghosh, Saunab; (2021)
    For easy manipulation of polarization states of light for applications in communications, imaging, and information processing, an efficient mechanism is desired for rotating light polarization with a minimum interaction length. Here, we report giant polarization rotations for terahertz (THz) electromagnetic waves in ultrathin (∼45nm), high-density ...
  • Development of a schwarzite-based moving bed 3D printed water treatment system for nanoplastic remediation 

    Gupta, Bramha; Ambekar, Rushikesh S.; Tromer, Raphael M.; Ghosal, Partha Sarathi; Sinha, Rupal; (2021)
    The impact of micro and nanoplastic debris on our aquatic ecosystem is among the most prominent environmental challenges we face today. In addition, nanoplastics create significant concern for environmentalists because of their toxicity and difficulty in separation and removal. Here we report the development of a 3D printed moving bed water filter ...
  • Rheological, physicochemical, and microstructural properties of asphalt binder modified by fumed silica nanoparticles 

    Cheraghian, Goshtasp; Wistuba, Michael P.; Kiani, Sajad; Barron, Andrew R.; Behnood, Ali (2021)
    Warm mix asphalt (WMA) is gaining increased attention in the asphalt paving industry as an eco-friendly and sustainable technology. WMA technologies are favorable in producing asphalt mixtures at temperatures 20–60 °C lower in comparison to conventional hot mix asphalt. This saves non-renewable fossil fuels, reduces energy consumption, and minimizes ...
  • Rapid, Ambient Temperature Synthesis of Imine Covalent Organic Frameworks Catalyzed by Transition-Metal Nitrates 

    Zhu, Dongyang; Zhang, Zhuqing; Alemany, Lawrence B.; Li, Yilin; Nnorom, Njideka; (2021)
    Covalent organic frameworks (COFs) are crystalline, porous organic materials that are promising for applications including catalysis, energy storage, electronics, gas storage, water treatment, and drug delivery. Conventional solvothermal synthesis approaches require elevated temperatures, inert environments, and long reaction times. Herein, we show ...
  • Ultrastrong magnon–magnon coupling dominated by antiresonant interactions 

    Makihara, Takuma; Hayashida, Kenji; Noe Ii, G. Timothy; Li, Xinwei; Marquez Peraca, Nicolas; (2021)
    Exotic quantum vacuum phenomena are predicted in cavity quantum electrodynamics systems with ultrastrong light-matter interactions. Their ground states are predicted to be vacuum squeezed states with suppressed quantum fluctuations owing to antiresonant terms in the Hamiltonian. However, such predictions have not been realized because antiresonant ...
  • Fast and accurate lacunarity calculation for large 3D micro-CT datasets 

    Sebők, Dániel; Vásárhelyi, Lívia; Szenti, Imre; Vajtai, Róbert; Kónya, Zoltán; (2021)
    Microcomputed-tomography (micro-CT) is a 3D imaging method capable of revealing the complete inner structure of materials. Besides imaging, micro-CT also provides quantitative information about numerous structural features including lacunarity, which describes the heterogeneity of samples quantitatively. Theoretically, lacunarity is easily calculated ...
  • Effect of Applied Pressure on the Electrical Resistance of Carbon Nanotube Fibers 

    Barnett, Chris J.; McGettrick, James D.; Gangoli, Varun Shenoy; Kazimierska, Ewa; Orbaek White, Alvin; (2021)
    Carbon nanotubes (CNTs) can be spun into fibers as potential lightweight replacements for copper in electrical current transmission since lightweight CNT fibers weigh <1/6th that of an equivalently dimensioned copper wire. Experimentally, it has been shown that the electrical resistance of CNT fibers increases with longitudinal strain; however, ...

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