Search Results - "Vlassiouk, Ivan"

Water desalination using nanoporous single-layer graphene by Surwade, Sumedh P., Smirnov, Sergei N., Vlassiouk, Ivan V., Unocic, Raymond R., Veith, Gabriel M., Dai, Sheng, Mahurin, Shannon M.

“…By creating nanoscale pores in a layer of graphene, it could be used as an effective separation membrane due to its chemical and mechanical stability, its…”
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Water treatment: A scalable graphene-based membrane by Vlassiouk, Ivan V

“…We discuss how an improved industrial manufacturability has been achieved for a hybrid water-treatment membrane that exhibits high water permeance, prolonged…”
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Synthesis of Hexagonal Boron Nitride Monolayer: Control of Nucleation and Crystal Morphology by Stehle, Yijing, Meyer, Harry M, Unocic, Raymond R, Kidder, Michelle, Polizos, Georgios, Datskos, Panos G, Jackson, Roderick, Smirnov, Sergei N, Vlassiouk, Ivan V

“…Monolayer hexagonal boron nitride (hBN) attracts significant attention due to the potential to be used as a complementary two-dimensional dielectric in…”
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Evolutionary selection growth of two-dimensional materials on polycrystalline substrates by Vlassiouk, Ivan V., Stehle, Yijing, Pudasaini, Pushpa Raj, Unocic, Raymond R., Rack, Philip D., Baddorf, Arthur P., Ivanov, Ilia N., Lavrik, Nickolay V., List, Frederick, Gupta, Nitant, Bets, Ksenia V., Yakobson, Boris I., Smirnov, Sergei N.

“…There is a demand for the manufacture of two-dimensional (2D) materials with high-quality single crystals of large size. Usually, epitaxial growth is…”
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Role of Hydrogen in Chemical Vapor Deposition Growth of Large Single-Crystal Graphene by Vlassiouk, Ivan, Regmi, Murari, Fulvio, Pasquale, Dai, Sheng, Datskos, Panos, Eres, Gyula, Smirnov, Sergei

“…We show that graphene chemical vapor deposition growth on copper foil using methane as a carbon source is strongly affected by hydrogen, which appears to serve…”
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Aqueous proton transfer across single-layer graphene by Achtyl, Jennifer L., Unocic, Raymond R., Xu, Lijun, Cai, Yu, Raju, Muralikrishna, Zhang, Weiwei, Sacci, Robert L., Vlassiouk, Ivan V., Fulvio, Pasquale F., Ganesh, Panchapakesan, Wesolowski, David J., Dai, Sheng, van Duin, Adri C. T., Neurock, Matthew, Geiger, Franz M.

“…Proton transfer across single-layer graphene proceeds with large computed energy barriers and is therefore thought to be unfavourable at room temperature…”
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Direct observation of resistive heating at graphene wrinkles and grain boundaries by Grosse, Kyle L., Dorgan, Vincent E., Estrada, David, Wood, Joshua D., Vlassiouk, Ivan, Eres, Gyula, Lyding, Joseph W., King, William P., Pop, Eric

“…We directly measure the nanometer-scale temperature rise at wrinkles and grain boundaries (GBs) in functioning graphene devices by scanning Joule expansion…”
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Atomistic-Scale Simulations of Defect Formation in Graphene under Noble Gas Ion Irradiation by Yoon, Kichul, Rahnamoun, Ali, Swett, Jacob L, Iberi, Vighter, Cullen, David A, Vlassiouk, Ivan V, Belianinov, Alex, Jesse, Stephen, Sang, Xiahan, Ovchinnikova, Olga S, Rondinone, Adam J, Unocic, Raymond R, van Duin, Adri C.T

“…Despite the frequent use of noble gas ion irradiation of graphene, the atomistic-scale details, including the effects of dose, energy, and ion bombardment…”
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The effect of intrinsic crumpling on the mechanics of free-standing graphene by Nicholl, Ryan J.T., Conley, Hiram J., Lavrik, Nickolay V., Vlassiouk, Ivan, Puzyrev, Yevgeniy S., Sreenivas, Vijayashree Parsi, Pantelides, Sokrates T., Bolotin, Kirill I.

“…Free-standing graphene is inherently crumpled in the out-of-plane direction due to dynamic flexural phonons and static wrinkling. We explore the consequences…”
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Spatially Resolved Mapping of Electrical Conductivity across Individual Domain (Grain) Boundaries in Graphene by Clark, Kendal W, Zhang, X.-G, Vlassiouk, Ivan V, He, Guowei, Feenstra, Randall M, Li, An-Ping

“…All large-scale graphene films contain extended topological defects dividing graphene into domains or grains. Here, we spatially map electronic transport near…”
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Versatile ultrathin nanoporous silicon nitride membranes by Vlassiouk, Ivan, Apel, Pavel Y, Dmitriev, Sergey N, Healy, Ken, Siwy, Zuzanna S

“…Single- and multiple-nanopore membranes are both highly interesting for biosensing and separation processes, as well as their ability to mimic biological…”
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Hidden Area and Mechanical Nonlinearities in Freestanding Graphene by Nicholl, Ryan J T, Lavrik, Nickolay V, Vlassiouk, Ivan, Srijanto, Bernadeta R, Bolotin, Kirill I

“…We investigated the effect of out-of-plane crumpling on the mechanical response of graphene membranes. In our experiments, stress was applied to graphene…”
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Van der Waals Epitaxial Growth of Two-Dimensional Single-Crystalline GaSe Domains on Graphene by Li, Xufan, Basile, Leonardo, Huang, Bing, Ma, Cheng, Lee, Jaekwang, Vlassiouk, Ivan V, Puretzky, Alexander A, Lin, Ming-Wei, Yoon, Mina, Chi, Miaofang, Idrobo, Juan C, Rouleau, Christopher M, Sumpter, Bobby G, Geohegan, David B, Xiao, Kai

“…Two-dimensional (2D) van der Waals (vdW) heterostructures are a family of artificially structured materials that promise tunable optoelectronic properties for…”
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Voltage-Gated Hydrophobic Nanopores by Smirnov, Sergei N, Vlassiouk, Ivan V, Lavrik, Nickolay V

“…Hydrophobicity is a fundamental property that is responsible for numerous physical and biophysical aspects of molecular interactions in water. Peculiar…”
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Polarization of Gold in Nanopores Leads to Ion Current Rectification by Yang, Crystal, Hinkle, Preston, Menestrina, Justin, Vlassiouk, Ivan V, Siwy, Zuzanna S

“…Biomimetic nanopores with rectifying properties are relevant components of ionic switches, ionic circuits, and biological sensors. Rectification indicates that…”
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Strong and Electrically Conductive Graphene-Based Composite Fibers and Laminates by Vlassiouk, Ivan, Polizos, Georgios, Cooper, Ryan, Ivanov, Ilia, Keum, Jong Kahk, Paulauskas, Felix, Datskos, Panos, Smirnov, Sergei

“…Graphene is an ideal candidate for lightweight, high-strength composite materials given its superior mechanical properties (specific strength of 130 GPa and…”
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Ionic Conductance through Graphene: Assessing Its Applicability as a Proton Selective Membrane by Chaturvedi, Pavan, Vlassiouk, Ivan V, Cullen, David A, Rondinone, Adam J, Lavrik, Nickolay V, Smirnov, Sergei N

“…Inspired by recent reports on possible proton conductance through graphene, we have investigated the behavior of pristine graphene and defect engineered…”
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Graphene Nucleation Density on Copper: Fundamental Role of Background Pressure by Vlassiouk, Ivan, Smirnov, Sergei, Regmi, Murari, Surwade, Sumedh P, Srivastava, Nishtha, Feenstra, Randall, Eres, Gyula, Parish, Chad, Lavrik, Nick, Datskos, Panos, Dai, Sheng, Fulvio, Pasquale

“…In this paper we discuss the effect of background pressure and synthesis temperature on the graphene crystal sizes in chemical vapor deposition (CVD) on copper…”
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Exclusively Proton Conductive Membranes Based on Reduced Graphene Oxide Polymer Composites by Shinde, Dhanraj B, Vlassiouk, Ivan V, Talipov, Marat R, Smirnov, Sergei N

“…Proton exchange membranes are at the heart of various technologies utilizing electrochemical storage of intermittent energy sources and powering electrical…”
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Nanoscale Mapping of the Double Layer Potential at the Graphene–Electrolyte Interface by Strelcov, Evgheni, Arble, Christopher, Guo, Hongxuan, Hoskins, Brian D, Yulaev, Alexander, Vlassiouk, Ivan V, Zhitenev, Nikolai B, Tselev, Alexander, Kolmakov, Andrei

“…The electrical double layer (EDL) governs the operation of multiple electrochemical devices, determines reaction potentials, and conditions ion transport…”
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