{"id":1314,"date":"2022-01-24T10:19:51","date_gmt":"2022-01-24T02:19:51","guid":{"rendered":"http:\/\/ustb.cc\/zh\/?p=1314"},"modified":"2023-09-10T19:47:33","modified_gmt":"2023-09-10T11:47:33","slug":"broad-photoluminescence-and-second-harmonic-generation-in-the-non-centrosymmetric-organic-inorganic-hybrid-halide-c6h5ch24nh34mx7%c2%b7h2o-m-bi-in-x-br-or-i","status":"publish","type":"post","link":"http:\/\/ustb.cc\/zh\/broad-photoluminescence-and-second-harmonic-generation-in-the-non-centrosymmetric-organic-inorganic-hybrid-halide-c6h5ch24nh34mx7%c2%b7h2o-m-bi-in-x-br-or-i\/","title":{"rendered":"Broad Photoluminescence and Second-Harmonic Generation in the Non-Centrosymmetric Organic\u2013Inorganic Hybrid Halide (C6H5(CH2)4NH3)4MX7\u00b7H2O (M = Bi, In, X = Br or I)."},"content":{"rendered":"\n<p><em><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Chem. Mater.<\/mark><\/strong><\/em>,<strong>&nbsp;2021, 33, 20, 8106\u20138111,<\/strong> <a href=\"https:\/\/doi.org\/10.1021\/acs.chemmater.1c02896\">https:\/\/doi.org\/10.1021\/acs.chemmater.1c02896<\/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.1c02896\/asset\/images\/medium\/cm1c02896_0006.gif\" alt=\"\"\/><\/figure>\n<\/div>\n\n\n<p>Recent discoveries in organic\u2212inorganic metal halides reveal superior semiconducting and polarization properties. Herein, we report three organic\u2013inorganic metal halides, (PBA)<sub>4<\/sub>BiBr<sub>7<\/sub>\u00b7H<sub>2<\/sub>O, (PBA)<sub>4<\/sub>BiI<sub>7<\/sub>\u00b7H<sub>2<\/sub>O, and (PBA)<sub>4<\/sub>InBr<sub>7<\/sub>\u00b7H<sub>2<\/sub>O [(PBA)<sup>+<\/sup>&nbsp;= C<sub>6<\/sub>H<sub>5<\/sub>(CH<sub>2<\/sub>)<sub>4<\/sub>NH<sub>3<\/sub><sup>+<\/sup>], with band gaps of \u223c3.52, \u223c2.29, and \u223c4.05 eV, respectively. They possess zero-dimensional structures containing the inorganic octahedra [MX<sub>6<\/sub>]<sup>3\u2013<\/sup>&nbsp;(M = Bi, In, X = Br, I) and unbound X<sup>\u2013<\/sup>&nbsp;ions and crystallize in the&nbsp;<em>C<\/em>2 space group. (PBA)<sub>4<\/sub>BiI<sub>7<\/sub>\u00b7H<sub>2<\/sub>O shows a second-harmonic-generation (SHG) response in the infrared region, approximately 1.3 times that of AgGaS<sub>2<\/sub>; (PBA)<sub>4<\/sub>BiBr<sub>7<\/sub>\u00b7H<sub>2<\/sub>O and (PBA)<sub>4<\/sub>InBr<sub>7<\/sub>\u00b7H<sub>2<\/sub>O show SHG responses in the ultraviolet region, approximately 0.4 and 0.6 times that of KH<sub>2<\/sub>PO<sub>4<\/sub>, respectively. The large SHG responses are attributed to the synergistic contribution of the octahedral distortion of [MX<sub>6<\/sub>]<sup>3\u2013<\/sup>&nbsp;(M = Bi, In, X = Br, I) and the ordered arrangement of the benzene ring-containing organic cation PBA<sup>+<\/sup>. Upon ultraviolet and visible-light excitations at room temperature, (PBA)<sub>4<\/sub>BiBr<sub>7<\/sub>\u00b7H<sub>2<\/sub>O, (PBA)<sub>4<\/sub>BiI<sub>7<\/sub>\u00b7H<sub>2<\/sub>O, and (PBA)<sub>4<\/sub>InBr<sub>7<\/sub>\u00b7H<sub>2<\/sub>O exhibit broad red-light luminescence with large Stokes shifts of 290, 237, and 360 nm, respectively, due to self-trapped exciton emission. All of these properties demonstrate that this series of metal halides are potential multifunctional optoelectronic materials.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chem. Mater.,&nbsp;2021, 33, 20, 8106\u20138111, https:\/\/doi [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"class_list":["post-1314","post","type-post","status-publish","format-standard","hentry","category-lab_papers_2021"],"_links":{"self":[{"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/posts\/1314","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\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/comments?post=1314"}],"version-history":[{"count":3,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/posts\/1314\/revisions"}],"predecessor-version":[{"id":2468,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/posts\/1314\/revisions\/2468"}],"wp:attachment":[{"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/media?parent=1314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/categories?post=1314"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ustb.cc\/zh\/wp-json\/wp\/v2\/tags?post=1314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}