{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T15:17:04Z","timestamp":1792163824319,"version":"4.4.0"},"reference-count":67,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2026,1,2]],"date-time":"2026-01-02T00:00:00Z","timestamp":1767312000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,1,2]],"date-time":"2026-01-02T00:00:00Z","timestamp":1767312000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100000923","name":"Australian Research Council","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000923","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Materials"],"published-print":{"date-parts":[[2026,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Crystalline solids with intrinsically low lattice thermal conductivity are essential for advancing high\u2010performance thermoelectric materials. Superionic conductor AgCuTe exhibits inherently low lattice thermal conductivity and exceptional tunability in both electronic and phononic transport, making it a promising candidate for medium\u2010temperature thermoelectric applications. However, its practical deployment remains limited by suboptimal performance and insufficient optimization strategies. Here, we report a substantially enhanced dimensionless figure of merit (\n                    <jats:italic>ZT<\/jats:italic>\n                    ) of \u223c1.72 at 773\u00a0K in p\u2010type polycrystalline AgCuTe through a systematic point defects engineering strategy. Guided by mass and strain field fluctuation criteria for suppressing lattice thermal conductivity, sulfur is identified as an effective dopant. Subsequent introduction of cation vacancies further synergizes electronic and thermal transport, yielding a high average\n                    <jats:italic>ZT<\/jats:italic>\n                    of 1.55 between 523\u2013773\u00a0K, surpassing all previously reported values for AgCuTe. Moreover, a segmented single\u2010leg thermoelectric module combining this material with commercial p\u2010type (Bi, Sb)\n                    <jats:sub>2<\/jats:sub>\n                    Te\n                    <jats:sub>3<\/jats:sub>\n                    achieves a high energy conversion efficiency of \u223c13.7% under a temperature gradient of \u223c467\u00a0K. These results underscore the efficacy of point defects engineering in optimizing superionic conductors and highlight the strong potential of AgCuTe for practical thermoelectric applications.\n                  <\/jats:p>","DOI":"10.1002\/adma.202513610","type":"journal-article","created":{"date-parts":[[2026,1,3]],"date-time":"2026-01-03T06:05:51Z","timestamp":1767420351000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Tailoring Point Defects to Enhance Thermoelectric Performance in AgCuTe\u2010Based Compounds"],"prefix":"10.1002","volume":"38","author":[{"given":"Nan\u2010Hai","family":"Li","sequence":"first","affiliation":[{"name":"School of Chemistry and Physics and Centre for Materials Science ARC Research Hub in Zero\u2010emission Power Generation for Carbon Neutrality Queensland University of Technology  Brisbane Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao\u2010Lei","family":"Shi","sequence":"additional","affiliation":[{"name":"School of Chemistry and Physics and Centre for Materials Science ARC Research Hub in Zero\u2010emission Power Generation for Carbon Neutrality Queensland University of Technology  Brisbane Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chao","family":"Zhang","sequence":"additional","affiliation":[{"name":"Central Analytical Research Facility Institute for Future Environments Queensland University of Technology  Brisbane Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meng","family":"Li","sequence":"additional","affiliation":[{"name":"School of Chemistry and Physics and Centre for Materials Science ARC Research Hub in Zero\u2010emission Power Generation for Carbon Neutrality Queensland University of Technology  Brisbane Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao Dong","family":"Wang","sequence":"additional","affiliation":[{"name":"Central Analytical Research Facility Institute for Future Environments Queensland University of Technology  Brisbane Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun","family":"Pei","sequence":"additional","affiliation":[{"name":"School of Chemistry and Physics and Centre for Materials Science ARC Research Hub in Zero\u2010emission Power Generation for Carbon Neutrality Queensland University of Technology  Brisbane Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Min","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Chemistry and Physics and Centre for Materials Science ARC Research Hub in Zero\u2010emission Power Generation for Carbon Neutrality Queensland University of Technology  Brisbane Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wen\u2010Yi","family":"Chen","sequence":"additional","affiliation":[{"name":"School of Chemistry and Physics and Centre for Materials Science ARC Research Hub in Zero\u2010emission Power Generation for Carbon Neutrality Queensland University of Technology  Brisbane Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dmitri","family":"Golberg","sequence":"additional","affiliation":[{"name":"School of Chemistry and Physics and Centre for Materials Science ARC Research Hub in Zero\u2010emission Power Generation for Carbon Neutrality Queensland University of Technology  Brisbane Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dong\u2010Chen","family":"Qi","sequence":"additional","affiliation":[{"name":"School of Chemistry and Physics and Centre for Materials Science ARC Research Hub in Zero\u2010emission Power Generation for Carbon Neutrality Queensland University of Technology  Brisbane Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9309-7993","authenticated-orcid":false,"given":"Zhi\u2010Gang","family":"Chen","sequence":"additional","affiliation":[{"name":"School of Chemistry and Physics and Centre for Materials Science ARC Research Hub in Zero\u2010emission Power Generation for Carbon Neutrality Queensland University of Technology  Brisbane Queensland 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