{"id":4242,"date":"2015-09-29T14:24:00","date_gmt":"2015-09-29T12:24:00","guid":{"rendered":"http:\/\/www.cinam.univ-mrs.fr\/cinam\/?p=4242"},"modified":"2019-04-25T09:47:28","modified_gmt":"2019-04-25T07:47:28","slug":"indirect-nanoplasmonic-sensing-to-probe-with-a-high-sensitivity-the-interaction-of-water-vapor-with-soot-aerosols","status":"publish","type":"post","link":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/en\/2015\/09\/29\/indirect-nanoplasmonic-sensing-to-probe-with-a-high-sensitivity-the-interaction-of-water-vapor-with-soot-aerosols\/","title":{"rendered":"Indirect Nanoplasmonic Sensing to Probe with a High Sensitivity the Interaction of Water Vapor with Soot Aerosols"},"content":{"rendered":"<p>Texte in French&#8230;<\/p>\n<p class=\"spip\">La nanoplasmonique indirecte nous permet de sonder l\u2019adsorption\/d\u00e9sorption de mol\u00e9cules d\u2019eau sur diff\u00e9rentes suies. L\u2019augmentation de l\u2019humidit\u00e9 relative du milieu environnant induit un changement de longueur d\u2019onde de la r\u00e9ponse de la r\u00e9sonance de plasmons de surface localis\u00e9s de nanodisques d\u2019or sur lesquels les particules de suies sont d\u00e9pos\u00e9es. Nous observons un \u00ab\u00a0blue-shift\u00a0\u00bb singulier et r\u00e9versible avec des suies hydrophiles, interpr\u00e9t\u00e9 \u00e0 partir d\u2019un mod\u00e8le simple, comme un changement morphologique r\u00e9versible des agr\u00e9gats de suie. Cette nouvelle m\u00e9thode est tr\u00e8s sensible et int\u00e9ressante pour suivre le changement des propri\u00e9t\u00e9s optiques des a\u00e9rosols au cours de leur vieillissement dans l\u2019atmosph\u00e8re o\u00f9 ils peuvent adsorber et r\u00e9agir avec diff\u00e9rentes mol\u00e9cules.<\/p>\n<figure id=\"attachment_4238\" aria-describedby=\"caption-attachment-4238\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-4238\" src=\"http:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-content\/uploads\/2019\/04\/Image_Demirdjian_x400-300x264.jpg\" alt=\"\" width=\"300\" height=\"264\" srcset=\"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-content\/uploads\/2019\/04\/Image_Demirdjian_x400-300x264.jpg 300w, https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-content\/uploads\/2019\/04\/Image_Demirdjian_x400.jpg 400w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-4238\" class=\"wp-caption-text\">Indirect Nanoplasmonic Sensing to Probe with a High Sensitivity the Interaction of Water Vapor with Soot Aerosols<\/figcaption><\/figure>\n<p class=\"spip\">Benjamin Demirdjian, Frederic Bedu, Alain Ranguis, Igor Ozerov, Artak Karapetyan, and Claude R. Henry,<\/p>\n<p class=\"spip\">The Journal of Physical Chemistry Letters 6, 4148\u20134152 (2015)<\/p>\n<p><a href=\"http:\/\/doi.org\/10.1021\/acs.jpclett.5b01630\" target=\"_blank\" rel=\"noopener noreferrer\">DOI: 10.1021\/acs.jpclett.5b01630<\/a><\/p>\n<p class=\"spip\"><i class=\"spip\">Les structures plasmoniques ont \u00e9t\u00e9 fabriqu\u00e9es \u00e0 la plate-forme de micro et nanofabrication PLANETE. Les images de microscopie AFM ont \u00e9t\u00e9 obtenues dans le service de microscopie en champ proche du CINaM. <\/i><\/p>\n<p class=\"spip\">\n","protected":false},"excerpt":{"rendered":"<p>La nanoplasmonique indirecte nous permet de sonder l\u2019adsorption\/d\u00e9sorption de mol\u00e9cules d\u2019eau sur diff\u00e9rentes suies.<br \/>\nCette nouvelle m\u00e9thode est tr\u00e8s sensible et int\u00e9ressante pour suivre le changement des propri\u00e9t\u00e9s optiques des a\u00e9rosols au cours de leur vieillissement dans l\u2019atmosph\u00e8re o\u00f9 ils peuvent adsorber et r\u00e9agir avec diff\u00e9rentes mol\u00e9cules.<\/p>\n","protected":false},"author":14,"featured_media":4239,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[31],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/en\/wp-json\/wp\/v2\/posts\/4242"}],"collection":[{"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/en\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/en\/wp-json\/wp\/v2\/comments?post=4242"}],"version-history":[{"count":1,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/en\/wp-json\/wp\/v2\/posts\/4242\/revisions"}],"predecessor-version":[{"id":4243,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/en\/wp-json\/wp\/v2\/posts\/4242\/revisions\/4243"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/en\/wp-json\/wp\/v2\/media\/4239"}],"wp:attachment":[{"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/en\/wp-json\/wp\/v2\/media?parent=4242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/en\/wp-json\/wp\/v2\/categories?post=4242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/en\/wp-json\/wp\/v2\/tags?post=4242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}