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In implementation of fuel\u2010efficient diesel engines, the poor thermal durability of lean nitrogen oxides (NO<jats:sub><jats:italic>x<\/jats:italic><\/jats:sub>) aftertreatment systems remains as one major technical hurdle. Divalent copper ions when fully exchanged into high\u2010silica LTA zeolites are demonstrated to exhibit excellent activity maintenance for NO<jats:sub><jats:italic>x<\/jats:italic><\/jats:sub> reduction with NH<jats:sub>3<\/jats:sub> under vehicle simulated conditions even after hydrothermal aging at 900\u2009\u00b0C, a critical temperature that the current commercial Cu\u2010SSZ\u201013 catalyst cannot overcome owing to thermal deactivation. Detailed structural characterizations confirm the presence of Cu<jats:sup>2+<\/jats:sup> ions only at the center of single 6\u2010rings that act not only as a catalytically active center, but also as a dealumination suppressor. The overall results render the copper\u2010exchanged LTA zeolite attractive as a viable substitute for Cu\u2010SSZ\u201013.<\/jats:p>","DOI":"10.1002\/anie.201610547","type":"journal-article","created":{"date-parts":[[2017,1,18]],"date-time":"2017-01-18T09:00:11Z","timestamp":1484730011000},"page":"3256-3260","source":"Crossref","is-referenced-by-count":188,"title":["Fully Copper\u2010Exchanged High\u2010Silica LTA Zeolites as Unrivaled Hydrothermally Stable NH<sub>3<\/sub>\u2010SCR Catalysts"],"prefix":"10.1002","volume":"56","author":[{"given":"Taekyung","family":"Ryu","sequence":"first","affiliation":[{"name":"Center for Ordered Nanoporous Materials Synthesis Division of Environmental Science and Engineering POSTECH  Pohang 37673 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nak Ho","family":"Ahn","sequence":"additional","affiliation":[{"name":"Center for Ordered Nanoporous Materials Synthesis Division of Environmental Science and Engineering POSTECH  Pohang 37673 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seungwan","family":"Seo","sequence":"additional","affiliation":[{"name":"Center for Ordered Nanoporous Materials Synthesis Division of Environmental Science and Engineering POSTECH  Pohang 37673 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jung","family":"Cho","sequence":"additional","affiliation":[{"name":"Center for Ordered Nanoporous Materials Synthesis Division of Environmental Science and Engineering POSTECH  Pohang 37673 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hyojun","family":"Kim","sequence":"additional","affiliation":[{"name":"Center for Ordered Nanoporous Materials Synthesis Division of Environmental Science and Engineering POSTECH  Pohang 37673 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Donghui","family":"Jo","sequence":"additional","affiliation":[{"name":"Center for Ordered Nanoporous Materials Synthesis Division of Environmental Science and Engineering POSTECH  Pohang 37673 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gi Tae","family":"Park","sequence":"additional","affiliation":[{"name":"Center for Ordered Nanoporous Materials Synthesis Division of Environmental Science and Engineering POSTECH  Pohang 37673 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pyung Soon","family":"Kim","sequence":"additional","affiliation":[{"name":"Advanced Catalysts and Emission-Control Research Lab, Research &amp; Development Division Hyundai Motor Group, Hwaseong  Gyeonggi 18280 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chang Hwan","family":"Kim","sequence":"additional","affiliation":[{"name":"Advanced Catalysts and Emission-Control Research Lab, Research &amp; Development Division Hyundai Motor Group, Hwaseong  Gyeonggi 18280 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elliott L.","family":"Bruce","sequence":"additional","affiliation":[{"name":"EaStCHEM School of Chemistry University of St. Andrews  St. Andrews KY16 9ST UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul A.","family":"Wright","sequence":"additional","affiliation":[{"name":"EaStCHEM School of Chemistry University of St. Andrews  St. Andrews KY16 9ST UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"In\u2010Sik","family":"Nam","sequence":"additional","affiliation":[{"name":"Center for Ordered Nanoporous Materials Synthesis Division of Environmental Science and Engineering POSTECH  Pohang 37673 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suk Bong","family":"Hong","sequence":"additional","affiliation":[{"name":"Center for Ordered Nanoporous Materials Synthesis Division of Environmental Science and Engineering POSTECH  Pohang 37673 Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,1,18]]},"reference":[{"key":"e_1_2_2_1_1","first-page":"17","volume-title":"On the Road toward 2050: Potential for Substantial Reductions in Light-Duty Vehicle Energy Use and Greenhouse Gas Emissions","author":"Akerlind I. 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