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Weber F, Ren J, Petit T, Bande A. Theoretical X-ray absorption spectroscopy database analysis for oxidised 2D carbon nanomaterials. Phys Chem Chem Phys 2019; 21:6999-7008. [PMID: 30869667 DOI: 10.1039/c8cp06620e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work we provide a proof of principle for a theoretical methodology to identify functionalisation patterns in oxidised carbon 2D nanomaterials. The methodology is based on calculating a large number of X-ray absorption spectra of individually excited carbon atoms in different chemical environments using density functional theory. Since each resulting spectrum gives a fingerprint of the local electronic structure surrounding the excited atom, we may relate each spectrum to the functionalisation pattern of that excited atom up to a desired neighbourhood radius. These functionalisation pattern-specific spectra are collected in a database, that allows fast composition of X-ray absorption spectra for arbitrary structures in density functional theory quality. Finally, we present an exemplary application of the database approach to estimate the relative amount of functional groups in two different experimental samples of carbon nanomaterials.
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Affiliation(s)
- Fabian Weber
- Institute of Methods for Material Development, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Str. 15, 12489 Berlin, Germany.
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Zheng Y, Fan H, Li H, Fan C, Yuan H, Yang Z, Huang K, Li W, Zhang J. Bifunctional Separator Coated with Hexachlorocyclotriphosphazene/Reduced Graphene Oxide for Enhanced Performance of Lithium-Sulfur Batteries. Chemistry 2018; 24:13582-13588. [DOI: 10.1002/chem.201802386] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Revised: 07/02/2018] [Indexed: 01/23/2023]
Affiliation(s)
- Yanping Zheng
- Faculty of Chemistry, National & Local United, Engineering Laboratory for Power Batteries; Northeast Normal University; Changchun Jilin 130024 P.R. China
- Faculty of Chemistry; Tonghua Normal University; Tonghua Jilin 134002 P.R. China
| | - Honghong Fan
- Faculty of Chemistry, National & Local United, Engineering Laboratory for Power Batteries; Northeast Normal University; Changchun Jilin 130024 P.R. China
| | - Huanhuan Li
- School of Chemistry and Chemical Engineering; Henan Normal University; Xinxiang Henan 453007 P.R. China
| | - Chaoying Fan
- Faculty of Chemistry, National & Local United, Engineering Laboratory for Power Batteries; Northeast Normal University; Changchun Jilin 130024 P.R. China
| | - Haiyan Yuan
- Faculty of Chemistry, National & Local United, Engineering Laboratory for Power Batteries; Northeast Normal University; Changchun Jilin 130024 P.R. China
| | - Zhifang Yang
- Faculty of Chemistry, National & Local United, Engineering Laboratory for Power Batteries; Northeast Normal University; Changchun Jilin 130024 P.R. China
| | - Kecheng Huang
- Faculty of Chemistry, National & Local United, Engineering Laboratory for Power Batteries; Northeast Normal University; Changchun Jilin 130024 P.R. China
| | - Wenliang Li
- Faculty of Chemistry, National & Local United, Engineering Laboratory for Power Batteries; Northeast Normal University; Changchun Jilin 130024 P.R. China
| | - Jingping Zhang
- Faculty of Chemistry, National & Local United, Engineering Laboratory for Power Batteries; Northeast Normal University; Changchun Jilin 130024 P.R. China
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Lu Y, Gu S, Guo J, Rui K, Chen C, Zhang S, Jin J, Yang J, Wen Z. Sulfonic Groups Originated Dual-Functional Interlayer for High Performance Lithium-Sulfur Battery. ACS APPLIED MATERIALS & INTERFACES 2017; 9:14878-14888. [PMID: 28406612 DOI: 10.1021/acsami.7b02142] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The lithium-sulfur battery is one of the most prospective chemistries in secondary energy storage field due to its high energy density and high theoretical capacity. However, the dissolution of polysulfides in liquid electrolytes causes the shuttle effect, and the rapid decay of lithium sulfur battery has greatly hindered its practical application. Herein, combination of sulfonated reduced graphene oxide (SRGO) interlayer on the separator is adopted to suppress the shuttle effect. We speculate that this SRGO layer plays two roles: physically blocking the migration of polysulfide as ion selective layer and anchoring lithium polysulfide by the electronegative sulfonic group. Lewis acid-base theory and density functional theory (DFT) calculations indicate that sulfonic groups have a strong tendency to interact with lithium ions in the lithium polysulfide. Hence, the synergic effect involved by the sulfonic group contributes to the enhancement of the battery performance. Furthermore, the uniformly distributed sulfonic groups working as active sites which could induce the uniform distribution of sulfur, alleviating the excessive growth of sulfur and enhancing the utilization of active sulfur. With this interlayer, the prototype battery exhibits a high reversible discharge capacity of more than 1300 mAh g-1 and good capacity retention of 802 mAh g-1 after 250 cycles at 0.5 C rate. After 60 cycles at different rates from 0.2 to 4 C, the cell with this functional separator still recovered a high specific capacity of 1100 mAh g-1 at 0.2 C. The results demonstrate a promising interlayer design toward high performance lithium-sulfur battery with longer cycling life, high specific capacity, and rate capability.
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Affiliation(s)
- Yang Lu
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, P. R. China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100039 P. R. China
| | - Sui Gu
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, P. R. China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100039 P. R. China
| | - Jing Guo
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, P. R. China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100039 P. R. China
| | - Kun Rui
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, P. R. China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100039 P. R. China
| | - Chunhua Chen
- CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China , Hefei, Anhui 230026, P. R. China
| | - Sanpei Zhang
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, P. R. China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100039 P. R. China
| | - Jun Jin
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, P. R. China
| | - Jianhua Yang
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, P. R. China
| | - Zhaoyin Wen
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050, P. R. China
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Ketabi N, de Boer T, Karakaya M, Zhu J, Podila R, Rao AM, Kurmaev EZ, Moewes A. Tuning the electronic structure of graphene through nitrogen doping: experiment and theory. RSC Adv 2016. [DOI: 10.1039/c6ra07546k] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Tuning the electronic properties of graphene by doping atoms into its lattice makes it more applicable for electronic devices.
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Affiliation(s)
- Niloofar Ketabi
- Department of Physics and Engineering Physics
- University of Saskatchewan
- Saskatoon
- Canada
| | - Tristan de Boer
- Department of Physics and Engineering Physics
- University of Saskatchewan
- Saskatoon
- Canada
| | - Mehmet Karakaya
- Department of Physics and Astronomy
- Clemson University
- Clemson
- USA
| | - Jingyi Zhu
- Department of Physics and Astronomy
- Clemson University
- Clemson
- USA
| | - Ramakrishna Podila
- Department of Physics and Astronomy
- Clemson University
- Clemson
- USA
- Clemson Nanomaterials Center
| | - Apparao M. Rao
- Department of Physics and Astronomy
- Clemson University
- Clemson
- USA
- Clemson Nanomaterials Center
| | - Ernst Z. Kurmaev
- X-ray Emission Spectroscopy Lab
- M.N. Mikheev Institute of Metal Physics
- RAS Ural Div
- 620990 Yekaterinburg
- Russia
| | - Alexander Moewes
- Department of Physics and Engineering Physics
- University of Saskatchewan
- Saskatoon
- Canada
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Bazylewski PF, Nguyen VL, Bauer RPC, Hunt AH, McDermott EJG, Leedahl BD, Kukharenko AI, Cholakh SO, Kurmaev EZ, Blaha P, Moewes A, Lee YH, Chang GS. Selective Area Band Engineering of Graphene using Cobalt-Mediated Oxidation. Sci Rep 2015; 5:15380. [PMID: 26486966 PMCID: PMC4614253 DOI: 10.1038/srep15380] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Accepted: 09/23/2015] [Indexed: 11/09/2022] Open
Abstract
This study reports a scalable and economical method to open a band gap in single layer graphene by deposition of cobalt metal on its surface using physical vapor deposition in high vacuum. At low cobalt thickness, clusters form at impurity sites on the graphene without etching or damaging the graphene. When exposed to oxygen at room temperature, oxygen functional groups form in proportion to the cobalt thickness that modify the graphene band structure. Cobalt/Graphene resulting from this treatment can support a band gap of 0.30 eV, while remaining largely undamaged to preserve its structural and electrical properties. A mechanism of cobalt-mediated band opening is proposed as a two-step process starting with charge transfer from metal to graphene, followed by formation of oxides where cobalt has been deposited. Contributions from the formation of both CoO and oxygen functional groups on graphene affect the electronic structure to open a band gap. This study demonstrates that cobalt-mediated oxidation is a viable method to introduce a band gap into graphene at room temperature that could be applicable in electronics applications.
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Affiliation(s)
- Paul F Bazylewski
- Department of Physics and Engineering Physics, University of Saskatchewan, 116 Science Place, Saskatoon, SK, S7N 5E2, Canada
| | - Van Luan Nguyen
- Center for Integrated Nanostructure Physics, Institute for Basic Science, Sungkyunkwan University, Suwon 440-746, Korea
| | - Robert P C Bauer
- Department of Physics and Engineering Physics, University of Saskatchewan, 116 Science Place, Saskatoon, SK, S7N 5E2, Canada
| | - Adrian H Hunt
- Department of Physics and Engineering Physics, University of Saskatchewan, 116 Science Place, Saskatoon, SK, S7N 5E2, Canada
| | - Eamon J G McDermott
- Institute Materials Chemistry, Vienna University of Technology, Getreidemarkt 9/165-TC, A-1060 Vienna, Austria
| | - Brett D Leedahl
- Department of Physics and Engineering Physics, University of Saskatchewan, 116 Science Place, Saskatoon, SK, S7N 5E2, Canada
| | - Andrey I Kukharenko
- Institute of Metal Physics, Russian Academy of Sciences-Ural Division, 620990 Yekaterinburg, Russia.,Ural Federal University, 19 Mira Str., 620002 Yekaterinburg, Russia
| | - Seif O Cholakh
- Ural Federal University, 19 Mira Str., 620002 Yekaterinburg, Russia
| | - Ernst Z Kurmaev
- Institute of Metal Physics, Russian Academy of Sciences-Ural Division, 620990 Yekaterinburg, Russia.,Ural Federal University, 19 Mira Str., 620002 Yekaterinburg, Russia
| | - Peter Blaha
- Institute Materials Chemistry, Vienna University of Technology, Getreidemarkt 9/165-TC, A-1060 Vienna, Austria
| | - Alexander Moewes
- Department of Physics and Engineering Physics, University of Saskatchewan, 116 Science Place, Saskatoon, SK, S7N 5E2, Canada
| | - Young Hee Lee
- Center for Integrated Nanostructure Physics, Institute for Basic Science, Sungkyunkwan University, Suwon 440-746, Korea.,Department of Physics and Department of Energy Science, Sungkyunkwan University, Suwon 440-746, Korea
| | - Gap Soo Chang
- Department of Physics and Engineering Physics, University of Saskatchewan, 116 Science Place, Saskatoon, SK, S7N 5E2, Canada
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Alivio TEG, De Jesus LR, Dennis RV, Jia Y, Jaye C, Fischer DA, Singisetti U, Banerjee S. Atomic Layer Deposition of Hafnium(IV) Oxide on Graphene Oxide: Probing Interfacial Chemistry and Nucleation by using X-ray Absorption and Photoelectron Spectroscopies. Chemphyschem 2015; 16:2842-2848. [DOI: 10.1002/cphc.201500434] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Indexed: 12/15/2022]
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