{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T08:31:50Z","timestamp":1790670710733,"version":"4.1.0"},"reference-count":32,"publisher":"Wiley","issue":"19","license":[{"start":{"date-parts":[[2017,7,6]],"date-time":"2017-07-06T00:00:00Z","timestamp":1499299200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003051","name":"New Energy and Industrial Technology Development Organization (NEDO) of Japan","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100003051","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemSusChem"],"published-print":{"date-parts":[[2017,10,9]]},"abstract":"Abstract<\/jats:title>\n \n Hybrid CPbX\n 3<\/jats:sub>\n (C: Cs, CH\n 3<\/jats:sub>\n NH\n 3<\/jats:sub>\n ; X: Br, I) perovskites possess excellent photovoltaic properties but are highly toxic, which hinders their practical application. Unfortunately, all Pb\u2010free alternatives based on Sn and Ge are extremely unstable. Although stable and non\u2010toxic C\n 2<\/jats:sub>\n ABX\n 6<\/jats:sub>\n double perovskites based on alternating corner\u2010shared AX\n 6<\/jats:sub>\n and BX\n 6<\/jats:sub>\n octahedra (A=Ag, Cu; B=Bi, Sb) are possible, they have indirect and wide band gaps of over 2\u2005eV. However, is it necessary to keep the corner\u2010shared perovskite structure to retain good photovoltaic properties? Here, we demonstrate another family of photovoltaic halides based on edge\u2010shared AX\n 6<\/jats:sub>\n and BX\n 6<\/jats:sub>\n octahedra with the general formula A\n \n a<\/jats:italic>\n <\/jats:sub>\n B\n \n b<\/jats:italic>\n <\/jats:sub>\n X\n \n x<\/jats:italic>\n <\/jats:sub>\n (\n x<\/jats:italic>\n =\n a<\/jats:italic>\n +3\u2009\n b<\/jats:italic>\n ) such as Ag\n 3<\/jats:sub>\n BiI\n 6<\/jats:sub>\n , Ag\n 2<\/jats:sub>\n BiI\n 5<\/jats:sub>\n , AgBiI\n 4<\/jats:sub>\n , AgBi\n 2<\/jats:sub>\n I\n 7<\/jats:sub>\n . As perovskites were named after their prototype oxide CaTiO\n 3<\/jats:sub>\n discovered by Lev Perovski, we propose to name these new ABX halides as rudorffites after Walter R\u00fcdorff, who discovered their prototype oxide NaVO\n 2<\/jats:sub>\n . We studied structural and optoelectronic properties of several highly stable and promising Ag\u2013Bi\u2013I photovoltaic rudorffites that feature direct band gaps in the range of 1.79\u20131.83\u2005eV and demonstrated a proof\u2010of\u2010concept FTO\/c\u2010m\u2010TiO\n 2<\/jats:sub>\n \/Ag\n 3<\/jats:sub>\n BiI\n 6<\/jats:sub>\n \/PTAA\/Au (FTO: fluorine\u2010doped tin oxide, PTAA: poly[bis(4\u2010phenyl)(2,4,6\u2010trimethylphenyl)amine], c: compact, m: mesoporous) solar cell with photoconversion efficiency of 4.3\u2009%.\n <\/jats:p>","DOI":"10.1002\/cssc.201700980","type":"journal-article","created":{"date-parts":[[2017,6,28]],"date-time":"2017-06-28T23:06:36Z","timestamp":1498691196000},"page":"3754-3759","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":240,"title":["Photovoltaic Rudorffites: Lead\u2010Free Silver Bismuth Halides Alternative to Hybrid Lead Halide Perovskites"],"prefix":"10.1002","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5942-3604","authenticated-orcid":false,"given":"Ivan","family":"Turkevych","sequence":"first","affiliation":[{"name":"Chemical Materials Evaluation and Research Base (CEREBA) Higashi 1-1-1, AIST Central 5-2 Tsukuba Ibaraki 305-8565 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2295-5874","authenticated-orcid":false,"given":"Said","family":"Kazaoui","sequence":"additional","affiliation":[{"name":"National Institute of Advanced Industrial Science and Technology Higashi 1-1-1, AIST Central 2 Tsukuba Ibaraki 305-8565 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eisuke","family":"Ito","sequence":"additional","affiliation":[{"name":"Chemical Materials Evaluation and Research Base (CEREBA) Higashi 1-1-1, AIST Central 5-2 Tsukuba Ibaraki 305-8565 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toshiyuki","family":"Urano","sequence":"additional","affiliation":[{"name":"Chemical Materials Evaluation and Research Base (CEREBA) Higashi 1-1-1, AIST Central 5-2 Tsukuba Ibaraki 305-8565 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koji","family":"Yamada","sequence":"additional","affiliation":[{"name":"Department of Applied Molecular Chemistry Nihon University Izumi-cho 1-2-1 Narashino Chiba 275-8575 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroshi","family":"Tomiyasu","sequence":"additional","affiliation":[{"name":"Chemical Materials Evaluation and Research Base (CEREBA) Higashi 1-1-1, AIST Central 5-2 Tsukuba Ibaraki 305-8565 Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hideo","family":"Yamagishi","sequence":"additional","affiliation":[{"name":"Chemical Materials Evaluation and Research Base (CEREBA) Higashi 1-1-1, AIST Central 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