{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1362825896228337792.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1002/aenm.201803396"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/pdf/10.1002/aenm.201803396"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/full-xml/10.1002/aenm.201803396"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/am-pdf/10.1002/aenm.201803396"}},{"identifier":{"@type":"URI","@value":"https://advanced.onlinelibrary.wiley.com/doi/am-pdf/10.1002/aenm.201803396"}},{"identifier":{"@type":"URI","@value":"https://advanced.onlinelibrary.wiley.com/doi/pdf/10.1002/aenm.201803396"}}],"dc:title":[{"@value":"Silver Bismuth Sulfoiodide Solar Cells: Tuning Optoelectronic Properties by Sulfide Modification for Enhanced Photovoltaic Performance"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>Silver bismuth iodides (Ag<jats:sub><jats:italic>a</jats:italic></jats:sub>Bi<jats:sub><jats:italic>b</jats:italic></jats:sub>I<jats:sub><jats:italic>a</jats:italic>+3<jats:italic>b</jats:italic></jats:sub>) are nontoxic and comparatively cheap photovoltaic materials, but their wide bandgaps and downshifted valence band edges limit their performance as light absorbers in solar cells. Herein, a strategy is introduced to tune the optoelectronic properties of Ag<jats:sub><jats:italic>a</jats:italic></jats:sub>Bi<jats:sub><jats:italic>b</jats:italic></jats:sub>I<jats:sub><jats:italic>a</jats:italic>+3<jats:italic>b</jats:italic></jats:sub> by partial anionic substitution with the sulfide dianion. A consistent narrowing of the bandgap by 0.1 eV and an upshift of the valence band edge by 0.1–0.3 eV upon modification with sulfide are demonstrated for AgBiI<jats:sub>4</jats:sub>, Ag<jats:sub>2</jats:sub>BiI<jats:sub>5</jats:sub>, Ag<jats:sub>3</jats:sub>BiI<jats:sub>6</jats:sub>, and AgBi<jats:sub>2</jats:sub>I<jats:sub>7</jats:sub> compositions. Solar cells based on silver bismuth sulfoiodides embedded into a mesoporous TiO<jats:sub>2</jats:sub> electron‐transporting scaffold, and a poly[bis(4‐phenyl)(2,4,6‐trimethylphenyl)amine] hole‐transporting layer significantly outperform devices based on sulfide‐free materials, mainly due to enhancements in the photocurrent by up to 48%. A power conversion efficiency of 5.44 ± 0.07% (<jats:italic>J</jats:italic><jats:sub>sc</jats:sub> = 14.6 ± 0.1 mA cm<jats:sup>−2</jats:sup>; <jats:italic>V</jats:italic><jats:sub>oc</jats:sub> = 569 ± 3 mV; fill factor = 65.7 ± 0.3%) under 1 sun irradiation and stability under ambient conditions for over a month are demonstrated. The results reported herein indicate that further improvements should be possible with this new class of photovoltaic materials upon advances in the synthetic procedures and an increase in the level of sulfide anionic substitution.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382825896228337800","@type":"Researcher","foaf:name":[{"@value":"Narendra Pai"}],"jpcoar:affiliationName":[{"@value":"School of Chemistry Monash University  Clayton Victoria 3800 Australia"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825896228337795","@type":"Researcher","foaf:name":[{"@value":"Jianfeng Lu"}],"jpcoar:affiliationName":[{"@value":"Department of Chemical Engineering Monash University  Clayton Victoria 3800 Australia"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825896228337792","@type":"Researcher","foaf:name":[{"@value":"Thomas R. Gengenbach"}],"jpcoar:affiliationName":[{"@value":"Commonwealth Scientific and Industrial Research Organization Manufacturing  Clayton Victoria 3168 Australia"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825896228337796","@type":"Researcher","foaf:name":[{"@value":"Aaron Seeber"}],"jpcoar:affiliationName":[{"@value":"Commonwealth Scientific and Industrial Research Organization Manufacturing  Clayton Victoria 3168 Australia"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825896228337797","@type":"Researcher","foaf:name":[{"@value":"Anthony S. R. Chesman"}],"jpcoar:affiliationName":[{"@value":"Commonwealth Scientific and Industrial Research Organization Manufacturing  Clayton Victoria 3168 Australia"},{"@value":"Melbourne Centre for Nanofabrication  Clayton Victoria 3168 Australia"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825896228337793","@type":"Researcher","foaf:name":[{"@value":"Liangcong Jiang"}],"jpcoar:affiliationName":[{"@value":"Department of Materials Science and Engineering Monash University  Clayton Victoria 3800 Australia"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825896228337801","@type":"Researcher","foaf:name":[{"@value":"Dimuthu C. Senevirathna"}],"jpcoar:affiliationName":[{"@value":"School of Chemistry Monash University  Clayton Victoria 3800 Australia"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825896228337798","@type":"Researcher","foaf:name":[{"@value":"Philip C. Andrews"}],"jpcoar:affiliationName":[{"@value":"School of Chemistry Monash University  Clayton Victoria 3800 Australia"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825896228337799","@type":"Researcher","foaf:name":[{"@value":"Udo Bach"}],"jpcoar:affiliationName":[{"@value":"Department of Chemical Engineering Monash University  Clayton Victoria 3800 Australia"},{"@value":"Commonwealth Scientific and Industrial Research Organization Manufacturing  Clayton Victoria 3168 Australia"},{"@value":"Melbourne Centre for Nanofabrication  Clayton Victoria 3168 Australia"},{"@value":"ARC Centre of Excellence for Exciton Science Monash University  Clayton Victoria 3800 Australia"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825896228337794","@type":"Researcher","foaf:name":[{"@value":"Yi‐Bing Cheng"}],"jpcoar:affiliationName":[{"@value":"Department of Materials Science and Engineering Monash University  Clayton Victoria 3800 Australia"},{"@value":"ARC Centre of Excellence for Exciton Science Monash University  Clayton Victoria 3800 Australia"},{"@value":"State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology  Wuhan 430070 China"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825896228337802","@type":"Researcher","foaf:name":[{"@value":"Alexandr N. Simonov"}],"jpcoar:affiliationName":[{"@value":"School of Chemistry Monash University  Clayton Victoria 3800 Australia"},{"@value":"ARC Centre of Excellence for Electromaterials Science Monash University  Clayton Victoria 3800 Australia"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"16146832"},{"@type":"EISSN","@value":"16146840"}],"prism:publicationName":[{"@value":"Advanced Energy 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