{"id":7520,"date":"2020-08-25T09:37:40","date_gmt":"2020-08-25T07:37:40","guid":{"rendered":"https:\/\/outreach-wp.ixole.es\/project\/sintesi-i-estudi-del-color-de-nanoparticules-dor\/"},"modified":"2020-08-25T09:44:14","modified_gmt":"2020-08-25T07:44:14","slug":"sintesi-i-estudi-del-color-de-nanoparticules-dor","status":"publish","type":"project","link":"https:\/\/outreach-wp.ixole.es\/ca\/project\/sintesi-i-estudi-del-color-de-nanoparticules-dor\/","title":{"rendered":"S\u00edntesi i estudi del color de nanopart\u00edcules d’or"},"content":{"rendered":"

[et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”4.5.1″ background_color=”#e1e1e1″ custom_padding=”0px||0px|” transparent_background=”off” make_fullwidth=”off” use_custom_width=”off” width_unit=”on”][et_pb_row column_structure=”1_3,1_3,1_3″ use_custom_gutter=”on” gutter_width=”1″ make_equal=”on” admin_label=”row” module_class=” et_pb_row_fullwidth” _builder_version=”4.5.1″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” width=”100%” width_tablet=”100%” width_phone=”” width_last_edited=”on|desktop” max_width=”100%” max_width_tablet=”100%” max_width_phone=”” max_width_last_edited=”on|desktop” custom_padding=”0px||0px|” make_fullwidth=”on” use_custom_width=”off” width_unit=”on”][et_pb_column type=”1_3″ _builder_version=”4.5.1″ background_color=”#3b4249″ custom_padding=”45px|45px|22.5px|45px|false|false” custom_padding__hover=”|||”][et_pb_post_title meta=”off” featured_image=”off” _builder_version=”4.5.6″ _module_preset=”default” title_text_color=”#d7ac2f”][\/et_pb_post_title][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.5.1″ background_color=”#d1d1cb” custom_padding=”45px|45px|22.5px|45px|false|false” custom_padding__hover=”|||”][et_pb_text admin_label=”Texto” _builder_version=”4.5.7″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” use_border_color=”off” border_color=”#ffffff” border_style=”solid”]<\/p>\n

marta perx\u00e9s perich
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institut jaume vicens vives – girona
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El meu treball de recerca consisteix en treballar amb nanopart\u00edcules per obtenir diferents tipus de color.<\/p>\n

Els nanocilindres d\u2019or (NRs) no tenen un color particular, sin\u00f3 que el color es forma amb la seva interacci\u00f3 amb la llum. El color dep\u00e8n de la forma del nanocilindre, concretament del seu aspect ratio, la relaci\u00f3 entre la seva llargada i amplada.<\/p>\n

En aquest projecte s\u2019han sintetitzat nanocilindres de diferents colors amb el m\u00e8tode seed-mediated growth i compostos qu\u00edmics que permeten crear nanocilindres que absorbeixen en l\u2019espectre visible. Nom\u00e9s variant el volum de nitrat de plata (AgNO3) durant la s\u00edntesis i analitzant els espectres d\u2019absorci\u00f3 dels resultats, veiem que quant m\u00e9s volum d\u2019AgNO3 s\u2019afegeixi durant la s\u00edntesis, els nanocilindres absorbeixen en una longitud d\u2019ona m\u00e9s gran, perqu\u00e8 a l\u2019afegir m\u00e9s del compost, l\u2019aspect ratio augmenta.<\/p>\n

El color obtingut amb la s\u00edntesis, per\u00f2, no \u00e9s l\u2019\u00fanic que es pot aconseguir amb nanocilindres. Durant la investigaci\u00f3 vaig provar de fer fotos amb flash per si quedaven millor. Vaig veure que al fer la foto amb flash el color dels nanocilindres havia canviat: si a simple vista es veien de color blau o lila, a la foto amb flash es veien de color granat. A totes les mostres passava el mateix: el color que transmeten quan s\u2019il\u00b7luminen amb llum ordin\u00e0ria no \u00e9s el mateix que el que tenen quan s\u00f3n il\u00b7luminats intensament per un flash: el color de transmissi\u00f3 \u00e9s diferent al color de dispersi\u00f3.<\/p>\n

En resum, en aquest projecte he pogut crear diferents colors utilitzant nanocilindres d\u2019or; i la conclusi\u00f3 final \u00e9s que amb nanocilindres d\u2019or podem crear diferents colors causats per condicions de llum (colors de transmissi\u00f3 o dispersi\u00f3) o forma controlada per compostos qu\u00edmics, i tot aix\u00f2 perqu\u00e8 les nanopart\u00edcules s\u00f3n capaces d\u2019interactuar amb la llum de l\u2019espectre visible.<\/p>\n

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marta perx\u00e9s perich institut jaume vicens vives – gironaEl meu treball de recerca consisteix en treballar amb nanopart\u00edcules per obtenir diferents tipus de color. Els nanocilindres d\u2019or (NRs) no tenen un color particular, sin\u00f3 que el color es forma amb la seva interacci\u00f3 amb la llum. El color dep\u00e8n de la forma del nanocilindre, concretament […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":""},"project_category":[215,293,257,256],"project_tag":[],"acf":[],"yoast_head":"\nS\u00edntesi i estudi del color de nanopart\u00edcules d'or - Outreach<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/outreach-wp.ixole.es\/ca\/project\/sintesi-i-estudi-del-color-de-nanoparticules-dor\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S\u00edntesi i estudi del color de nanopart\u00edcules d'or - Outreach\" \/>\n<meta property=\"og:description\" content=\"marta perx\u00e9s perich institut jaume vicens vives - gironaEl meu treball de recerca consisteix en treballar amb nanopart\u00edcules per obtenir diferents tipus de color. 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