{"id":632,"date":"2025-06-30T05:39:47","date_gmt":"2025-06-30T05:39:47","guid":{"rendered":"https:\/\/materials.iisc.ac.in\/~rondiya\/?p=632"},"modified":"2025-07-09T07:51:41","modified_gmt":"2025-07-09T07:51:41","slug":"nature","status":"publish","type":"post","link":"https:\/\/materials.iisc.ac.in\/~rondiya\/nature\/","title":{"rendered":"NATURE"},"content":{"rendered":"\n<p>Phase-heterojunction all-inorganic perovskite solar cells surpassing 21.5% efficiency<br>Sawanta S Mali, Jyoti V Patil, Jiang-Yang Shao, Yu-Wu Zhong,&nbsp;<strong>Sachin R Rondiya<\/strong>, Nelson Y Dzade, Chang Kook Hong<\/p>\n\n\n\n<p>Nature Energy, 8(9), 989-1001, 2023<br>Link:&nbsp;<a href=\"https:\/\/doi.org\/10.1038\/s41560-023-01310-y\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/doi.org\/10.1038\/s41560-023-01310-y<\/a><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"734\" height=\"1024\" src=\"https:\/\/materials.iisc.ac.in\/~rondiya\/wp-content\/uploads\/2025\/07\/nature2-734x1024.jpg\" alt=\"\" class=\"wp-image-633\" style=\"width:500px\" srcset=\"https:\/\/materials.iisc.ac.in\/~rondiya\/wp-content\/uploads\/2025\/07\/nature2-734x1024.jpg 734w, https:\/\/materials.iisc.ac.in\/~rondiya\/wp-content\/uploads\/2025\/07\/nature2-215x300.jpg 215w, https:\/\/materials.iisc.ac.in\/~rondiya\/wp-content\/uploads\/2025\/07\/nature2-768x1072.jpg 768w, https:\/\/materials.iisc.ac.in\/~rondiya\/wp-content\/uploads\/2025\/07\/nature2.jpg 791w\" sizes=\"auto, (max-width: 734px) 100vw, 734px\" \/><\/figure><\/div>\n\n\n<p><strong>Abstract: <\/strong>Making organic&#8221;inorganic metal halide-based multijunction perovskite solar cells either by solution processes or physical techniques is not straightforward. Here we propose and developed dimethylammonium iodide-assisted \u00ce\u00b2\u00e2\u02c6\u2019CsPbI<sub>3<\/sub>&nbsp;and guanidinium iodide-assisted \u00ce\u00b3\u00e2\u02c6\u2019CsPbI<sub>3<\/sub>&nbsp;all-inorganic phase-heterojunction solar cells (PHSs) by integrating hot-air and triple-source thermal evaporation deposition techniques, respectively. Incorporating a (Zn(C<sub>6<\/sub>F<sub>5<\/sub>)<sub>2<\/sub>) molecular additive and dopant-free hole transport layer produces a 21.59% power conversion efficiency (PCE). The laboratory-to-module scale shows 18.43% PCE with an 18.08&#8243;\u2030cm<sup>2<\/sup>&nbsp;active area. We demonstrate that this additive-assisted \u00ce\u00b2\u00e2\u02c6\u2019\u00ce\u00b3-based PHS structure exhibited &gt;200&#8243;\u2030hours of stable performance under maximum power tracking under one sun illumination. This work paves the way towards dual deposition techniques for PHS with important consequences not only for all inorganic but also for other halide perovskite compositions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Phase-heterojunction all-inorganic perovskite solar cells surpassing 21.5% efficiencySawanta S Mali, Jyoti V Patil, Jiang-Yang Shao, Yu-Wu Zhong,&nbsp;Sachin R Rondiya, Nelson Y Dzade, Chang Kook Hong Nature Energy, 8(9), 989-1001, 2023Link:&nbsp;https:\/\/doi.org\/10.1038\/s41560-023-01310-y Abstract: Making organic&#8221;inorganic metal halide-based multijunction perovskite solar cells either by solution processes or physical techniques is not straightforward. Here we propose and developed dimethylammonium [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[],"class_list":["post-632","post","type-post","status-publish","format-standard","hentry","category-publications"],"acf":[],"_links":{"self":[{"href":"https:\/\/materials.iisc.ac.in\/~rondiya\/wp-json\/wp\/v2\/posts\/632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materials.iisc.ac.in\/~rondiya\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materials.iisc.ac.in\/~rondiya\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materials.iisc.ac.in\/~rondiya\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/materials.iisc.ac.in\/~rondiya\/wp-json\/wp\/v2\/comments?post=632"}],"version-history":[{"count":4,"href":"https:\/\/materials.iisc.ac.in\/~rondiya\/wp-json\/wp\/v2\/posts\/632\/revisions"}],"predecessor-version":[{"id":1086,"href":"https:\/\/materials.iisc.ac.in\/~rondiya\/wp-json\/wp\/v2\/posts\/632\/revisions\/1086"}],"wp:attachment":[{"href":"https:\/\/materials.iisc.ac.in\/~rondiya\/wp-json\/wp\/v2\/media?parent=632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materials.iisc.ac.in\/~rondiya\/wp-json\/wp\/v2\/categories?post=632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materials.iisc.ac.in\/~rondiya\/wp-json\/wp\/v2\/tags?post=632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}