{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T10:29:54Z","timestamp":1788172194562,"version":"build-2803163510"},"reference-count":61,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2024,11,13]],"date-time":"2024-11-13T00:00:00Z","timestamp":1731456000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100020959","name":"JST-Mirai Program","doi-asserted-by":"publisher","award":["JPMJMI19A1"],"award-info":[{"award-number":["JPMJMI19A1"]}],"id":[{"id":"10.13039\/501100020959","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The n\u2010type Mg<jats:sub>3<\/jats:sub>(Sb, Bi)<jats:sub>2<\/jats:sub> compounds show great potential for wasted heat energy harvesting due to their promising thermoelectric properties. This work discovers that doping transition element Ag into the n\u2010type Mg<jats:sub>3<\/jats:sub>(Sb, Bi)<jats:sub>2<\/jats:sub> can effectively optimize the power factor and suppress the lattice thermal conductivity simultaneously. Interestingly, the Ag doping has different effects compared to the isoelectronic and same group element Cu addition studied previously. A high power factor of 19.6\u00a0\u00b5W cm<jats:sup>\u22121<\/jats:sup> K<jats:sup>\u22122<\/jats:sup> is obtained at 673\u00a0K owing to the increased electrical conductivity. At the same time, the lattice thermal conductivity is reduced to \u22480.5\u00a0W m<jats:sup>\u22121<\/jats:sup> K<jats:sup>\u22121<\/jats:sup> because of enhanced phonon scattering induced by Ag atoms. These improvements lead to a peak figure of merit (<jats:italic>ZT<\/jats:italic>) of 1.64 at 673\u00a0K as well as a high average <jats:italic>ZT<\/jats:italic> of 1.27 is obtained from 323 K to 673\u00a0K. Furthermore, a thermoelectric single leg with a competitive conversion efficiency of \u224811% under a hot\u2010side temperature of 673\u00a0K is fabricated successfully. In addition, a 2\u2010pair module composed of n\u2010type Mg<jats:sub>3<\/jats:sub>(Sb, Bi)<jats:sub>2<\/jats:sub> alloy and p\u2010type MgAgSb\u2010based compound demonstrates the high conversion efficiency of \u22487.9% at a temperature difference of 277\u00a0K, which will significantly upgrade the sustainable energy recycling technology.<\/jats:p>","DOI":"10.1002\/smll.202408059","type":"journal-article","created":{"date-parts":[[2024,11,13]],"date-time":"2024-11-13T12:33:37Z","timestamp":1731501217000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Enhancing the Thermoelectric Performance of n\u2010Type Mg<sub>3<\/sub>Sb<sub>2<\/sub>\u2010Based Materials via Ag Doping"],"prefix":"10.1002","volume":"21","author":[{"given":"Jiankang","family":"Li","sequence":"first","affiliation":[{"name":"Research Center for Materials Nanoarchitectonics (MANA) National Institute for Materials Science (NIMS)  Namiki 1\u20101 Tsukuba 305\u20100044 Japan"},{"name":"Graduate School of Pure and Applied Sciences University of Tsukuba  Tennodai 1\u20101\u20101 Tsukuba 305\u20108671 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Raju","family":"Chetty","sequence":"additional","affiliation":[{"name":"Research Center for Materials Nanoarchitectonics (MANA) National Institute for Materials Science (NIMS)  Namiki 1\u20101 Tsukuba 305\u20100044 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zihang","family":"Liu","sequence":"additional","affiliation":[{"name":"Research Center for Materials Nanoarchitectonics (MANA) National Institute for Materials Science (NIMS)  Namiki 1\u20101 Tsukuba 305\u20100044 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weihong","family":"Gao","sequence":"additional","affiliation":[{"name":"Research Center for Materials Nanoarchitectonics (MANA) National Institute for Materials Science (NIMS)  Namiki 1\u20101 Tsukuba 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