{"id":986,"date":"2021-09-16T21:22:43","date_gmt":"2021-09-16T13:22:43","guid":{"rendered":"http:\/\/polyhedra.cn\/zh\/?p=986"},"modified":"2023-09-10T20:45:31","modified_gmt":"2023-09-10T12:45:31","slug":"optically-modulated-ultra-broad-band-warm-white-emission-in-mn2-doped-c6h18n2o2pbbr4-hybrid-metal-halide-phosphor","status":"publish","type":"post","link":"http:\/\/ustb.cc\/zh\/optically-modulated-ultra-broad-band-warm-white-emission-in-mn2-doped-c6h18n2o2pbbr4-hybrid-metal-halide-phosphor\/","title":{"rendered":"Optically Modulated Ultra-Broad-Band Warm White Emission in Mn2+-Doped (C6H18N2O2)PbBr4 Hybrid Metal Halide Phosphor"},"content":{"rendered":"\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\"><em>Chem. Mater.<\/em>,<\/mark><\/strong> <strong>2019, 31, 15, 5788\u20135795.<\/strong> <a href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.chemmater.9b01864\">https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.chemmater.9b01864<\/a><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/pubs.acs.org\/cms\/10.1021\/acs.chemmater.9b01864\/asset\/images\/medium\/cm-2019-018643_0003.gif\" alt=\"\"\/><\/figure>\n<\/div>\n\n\n<p>Finding new low-dimensional metal halides with broad-band emission is attracting interest in single-component phosphor for white light-emitting diodes (WLEDs). The full-spectrum white light still remains a challenge as found in the two-dimensional hybrid material (C<sub>6<\/sub>H<sub>18<\/sub>N<sub>2<\/sub>O<sub>2<\/sub>)PbBr<sub>4<\/sub>&nbsp;exhibiting the intrinsic free exciton (FE) and broad-band self-trap exciton (STE) emission upon 365 nm ultraviolet excitation, and a combined strategy has been proposed through doping the Mn<sup>2+<\/sup>&nbsp;ions enabling a superposition of multiple emission centers toward the ultra-broad-band warm white light. The occupation of Mn<sup>2+<\/sup>&nbsp;in (C<sub>6<\/sub>H<sub>18<\/sub>N<sub>2<\/sub>O<sub>2<\/sub>)PbBr<sub>4<\/sub>&nbsp;has been discussed, and optical investigations verify that the warm white-light emission of Mn<sup>2+<\/sup>-doped (C<sub>6<\/sub>H<sub>18<\/sub>N<sub>2<\/sub>O<sub>2<\/sub>)PbBr<sub>4<\/sub>&nbsp;originates from the coupling effects of the FE, STEs, and the&nbsp;<sup>4<\/sup>T<sub>1<\/sub>\u2013<sup>6<\/sup>A<sub>1<\/sub>&nbsp;transition of the doped Mn<sup>2+<\/sup>. When the concentration of Mn<sup>2+<\/sup>&nbsp;is 5%, the emission spectrum of the phosphor covers all visible-light areas with a full width at half maximum (FWHM) of about 230 nm. The high&nbsp;<em>R<\/em><sub>a<\/sub>&nbsp;(84.9) and warm light CCT (3577 K) values of the as-fabricated WLED lamp demonstrate that (C<sub>6<\/sub>H<sub>18<\/sub>N<sub>2<\/sub>O<sub>2<\/sub>)Pb<sub>1\u2013<em>x<\/em><\/sub>Mn<em><sub>x<\/sub><\/em>Br<sub>4<\/sub>&nbsp;can be promising as single-component white-light phosphor in solid-state lighting. Our work could provide a new understanding and perspective about hybrid metal halides for designing superior phosphor toward single-component white emission.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chem. Mater., 2019, 31, 15, 5788\u20135795. https:\/\/pubs.acs [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[90],"class_list":["post-986","post","type-post","status-publish","format-standard","hentry","category-lab_papers_2019","tag-mn2"],"_links":{"self":[{"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/posts\/986","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/comments?post=986"}],"version-history":[{"count":4,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/posts\/986\/revisions"}],"predecessor-version":[{"id":2533,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/posts\/986\/revisions\/2533"}],"wp:attachment":[{"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/media?parent=986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/categories?post=986"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/tags?post=986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}