{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T13:36:31Z","timestamp":1769520991405,"version":"3.49.0"},"reference-count":61,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2012,7,5]],"date-time":"2012-07-05T00:00:00Z","timestamp":1341446400000},"content-version":"vor","delay-in-days":4,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Am. Ceram. Soc."],"published-print":{"date-parts":[[2012,7]]},"abstract":"<jats:p>\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:roman>LaMnO<\/jats:roman>\n                    <\/jats:styled-content>\n                    <jats:sub>3<\/jats:sub>\n                    and (\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:roman>La<\/jats:roman>\n                    <\/jats:styled-content>\n                    ,\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:roman>Sr<\/jats:roman>\n                    <\/jats:styled-content>\n                    )\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:roman>MnO<\/jats:roman>\n                    <\/jats:styled-content>\n                    <jats:sub>3<\/jats:sub>\n                    were prepared as mesoporous powders using sol\u2010gel methods that incorporated evaporation\u2010induced self\u2010assembly of surfactants as structure\u2010directing agents. The precursor and surfactant concentrations, surfactant character (mainly molecular weight), aging humidity, and annealing temperature were all found to influence the specific surface area of the powders, which were maximized at 50 and 46\u00a0m\n                    <jats:sup>2<\/jats:sup>\n                    \/g for\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:roman>LaMnO<\/jats:roman>\n                    <\/jats:styled-content>\n                    <jats:sub>3<\/jats:sub>\n                    and (\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:roman>La<\/jats:roman>\n                    <\/jats:styled-content>\n                    ,\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:roman>Sr<\/jats:roman>\n                    <\/jats:styled-content>\n                    )\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:roman>MnO<\/jats:roman>\n                    <\/jats:styled-content>\n                    <jats:sub>3<\/jats:sub>\n                    , respectively. Increased metal nitrate contents in the initial sol composition and increased relative humidity during aging led to products having increased specific surface areas owing to increased mesoporosity. The lower molecular weight surfactant\n                    <jats:styled-content style=\"fixed-case\">CTAB<\/jats:styled-content>\n                    was found to generate higher specific surface area powders than those generated using the larger molecular weight nonionic surfactants P\u2010123 and F\u2010127. On the other hand, the relative thermal stability of the mesoporous powders, annealed at 750\u00b0C for 100\u00a0h, increased with the molecular weight of surfactant. Mesoporous powders having promising thermal stability and surface areas in the 20\u201325\u00a0m\n                    <jats:sup>2<\/jats:sup>\n                    \/g range were easily obtainable using P\u2010123 and F\u2010127, indicating that high surface area electrocatalysts with mesoporous microstructures can be prepared for high temperature applications.\n                  <\/jats:p>","DOI":"10.1111\/j.1551-2916.2012.05236.x","type":"journal-article","created":{"date-parts":[[2012,7,5]],"date-time":"2012-07-05T11:57:43Z","timestamp":1341489463000},"page":"2339-2346","source":"Crossref","is-referenced-by-count":11,"title":["Structure and Relative Thermal Stability of Mesoporous (\n                    <scp>\n                      <scp>La<\/scp>\n                    <\/scp>\n                    ,\n                    <scp>\n                      <scp>Sr<\/scp>\n                    <\/scp>\n                    )\n                    <scp>\n                      <scp>\n                        MnO\n                        <sub>3<\/sub>\n                      <\/scp>\n                    <\/scp>\n                    Powders Prepared Using Evaporation\u2010Induced Self\u2010Assembly Methods"],"prefix":"10.1111","volume":"95","author":[{"given":"Robin","family":"Chao","sequence":"first","affiliation":[{"name":"Department of Material Science and Engineering Carnegie Mellon University Pittsburgh Pennsylvania 15213"},{"name":"National Energy Technology Laboratory Morgantown West Virginia 26505"}]},{"given":"Ratiporn","family":"Munprom","sequence":"additional","affiliation":[{"name":"Department of Material Science and Engineering Carnegie Mellon University Pittsburgh Pennsylvania 15213"}]},{"given":"Rumyana","family":"Petrova","sequence":"additional","affiliation":[{"name":"Department of Material Science and Engineering Carnegie Mellon University Pittsburgh Pennsylvania 15213"},{"name":"International Iberian Nanotechnology Laboratory Braga Portugal 4715\u2010310"}]},{"given":"Kirk","family":"Gerdes","sequence":"additional","affiliation":[{"name":"Department of Material Science and Engineering Carnegie Mellon University Pittsburgh Pennsylvania 15213"}]},{"given":"John R.","family":"Kitchin","sequence":"additional","affiliation":[{"name":"National Energy Technology Laboratory Pittsburgh Pennsylvania 15236"},{"name":"Department of Chemical Engineering Carnegie Mellon University Pittsburgh Pennsylvania 15213"}]},{"given":"Paul A.","family":"Salvador","sequence":"additional","affiliation":[{"name":"Department of Material Science and Engineering Carnegie Mellon University Pittsburgh Pennsylvania 15213"},{"name":"National Energy Technology Laboratory Morgantown West Virginia 26505"}]}],"member":"311","published-online":{"date-parts":[[2012,7,5]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1151-2916.1993.tb03645.x"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1021\/cr020724o"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0167-2738(00)00423-9"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.200802428"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0920-5861(03)00220-7"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1551-2916.2006.01013.x"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1293-2558(01)01208-0"},{"issue":"5","key":"e_1_2_6_9_1","first-page":"520","article-title":"Preparation of High Surface Area Substituted LaMnO3 Catalysts","volume":"55","author":"Johnson D.","year":"1976","journal-title":"Am. 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