How reproducible are surface areas calculated from the BET equation?
Osterrieth, Johannes W. M. (University of Cambridge. Department of Chemical Engineering & Biotechnology)
Rampersad, James (University of Cambridge. Department of Chemical Engineering & Biotechnology)
Madden, David (University of Cambridge. Department of Chemical Engineering & Biotechnology)
Rampal, Nakul (University of Cambridge. Department of Chemical Engineering & Biotechnology)
Skoric, Luka (University of Cambridge. Cavendish Laboratory)
Connolly, Bethany (University of Cambridge. Department of Chemical Engineering & Biotechnology)
Allendorf, Mark D. (Sandia National Laboratories)
Stavila, Vitalie (Sandia National Laboratories)
Snider, Jonathan L. (Sandia National Laboratories)
Ameloot, Rob (KU Leuven. Department of Microbial and Molecular Systems)
Marreiros, João (KU Leuven. Department of Microbial and Molecular Systems)
Ania, Conchi (Université d'Orléans)
Azevedo, Diana (Federal University of Ceará. Department of Chemical Engineering)
Vilarrasa-Garcia, E. (Federal University of Ceará. Department of Chemical Engineering)
Santos, Bianca F. (Federal University of Ceará. Department of Chemical Engineering)
Bu, Xian-He (Nankai University. School of Materials Science and Engineering)
Chang, Ze (Nankai University. School of Materials Science and Engineering)
Bunzen, Hana (University of Augsburg. Institute of Physics)
Champness, Neil (University of Nottingham. School of Chemistry)
Griffin, Sarah (University of Nottingham. School of Chemistry)
Chen, Banglin (University of Texas at San Antonio. Department of Chemistry)
Lin, Rui-Biao (University of Texas at San Antonio. Department of Chemistry)
Coasne, Benoit (Université Grenoble Alpes)
Cohen, Seth (University of California. Department of Chemistry and Biochemistry)
Moreton, Jessica C. (University of California. Department of Chemistry and Biochemistry)
Colón, Yamil J. (Université de Nôtre Dame)
Chen, Linjiang (Leverhulme Research Centre for Functional Materials Design)
Clowes, Rob (Leverhulme Research Centre for Functional Materials Design)
Coudert, François-Xavier (Chimie ParisTech)
Cui, Yong (Shanghai Jiaotong University. School of Chemistry and Chemical Engineering)
Hou, Bang (Shanghai Jiaotong University. School of Chemistry and Chemical Engineering)
D'Alessandro, Deanna M. (The University of Sydney. School of Chemistry)
Doheny, Patrick W. (The University of Sydney. School of Chemistry)
Dincă, Mircea (Massachusetts Institute of Technology. Department of Chemistry)
Sun, Chenyue (Massachusetts Institute of Technology. Department of Chemistry)
Doonan, Christian (The University of Adelaide. Centre for Advanced Nanomaterials and Department of Chemistry)
Huxley, Michael Thomas (The University of Adelaide. Centre for Advanced Nanomaterials and Department of Chemistry)
Evans, Jack D. (Technische Universität Dresden. Department of Inorganic Chemistry)
Falcaro, Paolo (Graz University of Technology. Institute of Physical and Theoretical Chemistry)
Riccò, Raffaele (Graz University of Technology. Institute of Physical and Theoretical Chemistry)
Farha, Omar (Northwestern University. Department of Chemistry)
Idrees, Karam B. (Northwestern University. Department of Chemistry)
Islamoglu, Timur (Northwestern University. Department of Chemistry)
Feng, Pingyun (University of California. Department of Chemistry)
Yang, Huajun (University of California. Department of Chemistry)
Forgan, Ross (University of Glasgow. School of Chemistry)
Bara, Dominic (University of Glasgow. School of Chemistry)
Furukawa, Shuhei (Kyoto University. Institute for Integrated Cell-Material Sciences)
Sanchez, Eli (Kyoto University. Institute for Integrated Cell-Material Sciences)
Gascon, Jorge (KAUST Catalysis Center)
Telalović, Selvedin (KAUST Catalysis Center)
Ghosh, Sujit K. (Indian Institute of Science Education and Research. Department of Chemistry)
Mukherjee, Soumya (Indian Institute of Science Education and Research. Department of Chemistry)
Hill, Matthew R. (Monash University. Department of Chemical Engineering)
Sadiq, Muhammed Munir (Monash University. Department of Chemical Engineering)
Horcajada, Patricia (IMDEA Energy)
Salcedo-Abraira, Pablo (IMDEA Energy)
Kaneko, Katsumi (Shinshu University. Research Initiative for Supra-Materials)
Kukobat, Radovan (Shinshu University. Research Initiative for Supra-Materials)
Kenvin, Jeff (Micromeritics Instrument Corporation)
Keskin, Seda (Koc University. Department of Chemical and Biological Engineering)
Kitagawa, Susumu (Kyoto University Institute for Advanced Study)
Otake, Ken-ichi (Kyoto University Institute for Advanced Study)
Lively, Ryan P. (Georgia Institute of Technology. School of Chemical & Biomolecular Engineering)
DeWitt, Stephen J.A. (Georgia Institute of Technology. School of Chemical & Biomolecular Engineering)
Llewellyn, Phillip (CNRS / Aix-Marseille Univ./Total)
Lotsch, Bettina V. (University of Munich. Department of Chemistry)
Emmerling, Sebastian T. (University of Munich. Department of Chemistry)
Pütz, Alexander M. (University of Munich. Department of Chemistry)
Martí-Gastaldo, Carlos (Universitat de València. Instituto de Ciencia Molecular)
Padial, Natalia M. (Universitat de València. Instituto de Ciencia Molecular)
Garcia-Martinez, Javier (Universitat d'Alacant. Laboratori de Nanotecnologia Molecular)
Linares, Noemi (Universitat d'Alacant. Laboratori de Nanotecnologia Molecular)
Maspoch Comamala, Daniel (Institut Català de Nanociència i Nanotecnologia)
Suárez del Pino, José A. (Institut Català de Nanociència i Nanotecnologia)
Moghadam, Peyman (The University of Sheffield. Department of Chemical and Biological Engineering)
Oktavian, Rama (The University of Sheffield. Department of Chemical and Biological Engineering)
Morris, Russel E. (University of St Andrews. School of Chemistry)
Wheatley, Paul S. (University of St Andrews. School of Chemistry)
Navarro, Jorge (Universidad de Granada)
Petit, Camille (Barrer Centre)
Danaci, David (Barrer Centre)
Rosseinsky, Matthew J. (University of Liverpool. Department of Chemistry)
Katsoulidis, Alexandros P. (University of Liverpool. Department of Chemistry)
Schröder, Martin (The University of Manchester. School of Chemistry)
Han, Xue (The University of Manchester. School of Chemistry)
Yang, Sihai (The University of Manchester. School of Chemistry)
Serre, Christian (Institut des Matériaux Poreux de Paris)
Mouchaham, Georges (Institut des Matériaux Poreux de Paris)
Sholl, David S. (Georgia Institute of Technology. School of Chemical & Biomolecular Engineering)
Thyagarajan, Raghuram (Georgia Institute of Technology. School of Chemical & Biomolecular Engineering)
Siderius, Daniel W. (Chemical Sciences Division. National Institute of Standards and Technology)
Snurr, Randall Q. (Northwestern University. Department of Chemical & Biological Engineering)
Barbosa Goncalves, Rebecca (Northwestern University. Department of Chemistry)
Telfer, Shane (MacDiarmid Institute for Advanced Materials and Nanotechnology)
Lee, Seok J. (MacDiarmid Institute for Advanced Materials and Nanotechnology)
Ting, V.P. (University of Bristol. Department of Mechanical Engineering)
Rowlandson, Jemma L. (University of Bristol. Department of Mechanical Engineering)
Uemura, Takashi (The University of Tokyo. Department of Advanced Materials Science)
Iiyuka, Tomoya (The University of Tokyo. Department of Advanced Materials Science)
van der Veen, Monique (Delft University of Technology. Department of Chemical Engineering)
Rega, Davide (Delft University of Technology. Department of Chemical Engineering)
Van Speybroeck, Veronique (Ghent University. Center for Molecular Modeling)
Rogge, Sven M.J. (Ghent University. Center for Molecular Modeling)
Lamaire, Aran (Ghent University. Center for Molecular Modeling)
Walton, Krista S. (Georgia Institute of Technology. School of Chemical & Biomolecular Engineering)
Bingel, Lukas (Georgia Institute of Technology. School of Chemical & Biomolecular Engineering)
Wuttke, Stefan (IKERBASQUE)
Andreo, Jacopo (IKERBASQUE)
Yaghi, Omar M. (Berkeley Global Science Institute)
Zhang, Bing (University of California. Department of Chemistry)
Yavuz, Cafer Tayyar (Korea Advanced Institute of Science and Technology)
Nguyen, Thien S. (Korea Advanced Institute of Science and Technology)
Zamora, Félix (Universidad Autónoma de Madrid. Departamento de Química Inorgánica)
Montoro, Carmen (Universidad Autónoma de Madrid. Departamento de Química Inorgánica)
Zhou, Hongcai (Texas A&M University. Department of Chemistry)
Kirchon, Angelo (Texas A&M University. Department of Chemistry)
Fairen-Jimenez, David (University of Cambridge. Department of Chemical Engineering & Biotechnology)

Data:	2022
Resum:	Porosity and surface area analysis play a prominent role in modern materials science. At the heart of this sits the Brunauer-Emmett-Teller (BET) theory, which has been a remarkably successful contribution to the field of materials science. The BET method was developed in the 1930s for open surfaces but is now the most widely used metric for the estimation of surface areas of micro- and mesoporous materials. Despite its widespread use, the calculation of BET surface areas causes a spread in reported areas, resulting in reproducibility problems in both academia and industry. To prove this, for this analysis, 18 already-measured raw adsorption isotherms were provided to sixty-one labs, who were asked to calculate the corresponding BET areas. This round-robin exercise resulted in a wide range of values. Here, the reproducibility of BET area determination from identical isotherms is demonstrated to be a largely ignored issue, raising critical concerns over the reliability of reported BET areas. To solve this major issue, a new computational approach to accurately and systematically determine the BET area of nanoporous materials is developed. The software, called "BET surface identification" (BETSI), expands on the well-known Rouquerol criteria and makes an unambiguous BET area assignment possible.
Ajuts:	European Commission 872102 European Commission 756489 European Commission 726380 European Commission 677289 European Commission 639233 Agencia Estatal de Investigación RTI2018-099504-B-C21 Ministerio de Economía y Competitividad SEV-2017-0706
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Adsorption ; BET theory ; Porosimetry ; Porous materials ; Surface area
Publicat a:	Advanced materials, Vol. 34, issue 27 (July 2022) , art. 2201502, ISSN 1521-4095

DOI: 10.1002/adma.202201502

12 p, 1.6 MB

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