{"id":40129,"date":"2021-11-23T15:08:57","date_gmt":"2021-11-23T15:08:57","guid":{"rendered":"https:\/\/www.upjs.sk\/information\/science-research-and-development-kat_id-327\/scientific-and-research-activities-phd-studies-kat_id-353\/top-research-teams-kat_id-2090\/quantum-magnetism-and-nanophysics-qmagna-kat_id-2159\/news-kat_id-2371\/26069-2\/"},"modified":"2022-11-09T22:17:11","modified_gmt":"2022-11-09T22:17:11","slug":"26069-2","status":"publish","type":"page","link":"https:\/\/www.upjs.sk\/en\/information\/science-and-research\/scientific-and-research-activities-phd-studies\/top-research-teams\/qmagna-upjs\/news\/26069-2\/","title":{"rendered":"Electrochemically Induced Strain Evolution in Pt\u2013Ni Alloy Nanoparticles Observed by Bragg Coherent Diffraction Imaging"},"content":{"rendered":"<p style=\"text-align:justify\">\u00a0\u00a0\u00a0\u00a0In this study scientists from Institute of Physics, UPJS in Slovakia, joined international collaboration with colleagues from USA and Japan to employ Bragg coherent diffraction imaging (BCDI) to reveal the strain evolution in Pt\u2013Ni alloy nanoparticle catalysts. These systems are important materials for hydrogen energy conversion devices such as hydrogen fuell cells. Composition dependency of the strain on the shells was in excellent agreement with that of the catalytic activity.<br \/> \u00a0\u00a0\u00a0\u00a0The presented study demonstrates that BCDI enables quantitative determination of the strain on alloy nanoparticles during electrochemical reactions, which provides a means to exploit surface strain to design a wide range of electrocatalysts. Article was published in prestigious journal Nanoletters (Nano Lett. 2021, 21, 5945-5951) with impact factor 11.189.<\/p>\n<p><a href=\"\/public\/media\/26069\/indikovany-vyvoj-pnutia-obr.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.upjs.sk\/app\/uploads\/2022\/09\/indikovany-vyvoj-pnutia-obr.jpg\" style=\"width:50%\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0\u00a0\u00a0\u00a0In this study scientists from Institute of Physics, UPJS in Slovakia, joined international collaboration with colleagues from USA and Japan to employ Bragg coherent diffraction imaging (BCDI) to reveal the strain evolution in Pt\u2013Ni alloy nanoparticle catalysts. These systems are important materials for hydrogen energy conversion devices such as hydrogen fuell cells. Composition dependency of &hellip; <a href=\"https:\/\/www.upjs.sk\/en\/information\/science-and-research\/scientific-and-research-activities-phd-studies\/top-research-teams\/qmagna-upjs\/news\/26069-2\/\">Continued<\/a><\/p>\n","protected":false},"author":1,"featured_media":9131,"parent":25065,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","footnotes":""},"class_list":["post-40129","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":{"acf_link_na_externy_obsah":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Electrochemically Induced Strain Evolution in Pt\u2013Ni Alloy Nanoparticles Observed by Bragg Coherent Diffraction Imaging - UPJ\u0160 Ko\u0161ice<\/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:\/\/www.upjs.sk\/en\/information\/science-and-research\/scientific-and-research-activities-phd-studies\/top-research-teams\/qmagna-upjs\/news\/26069-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Electrochemically Induced Strain Evolution in Pt\u2013Ni Alloy Nanoparticles Observed by Bragg Coherent Diffraction Imaging - UPJ\u0160 Ko\u0161ice\" \/>\n<meta property=\"og:description\" content=\"\u00a0\u00a0\u00a0\u00a0In this study scientists from Institute of Physics, UPJS in Slovakia, joined international collaboration with colleagues from USA and Japan to employ Bragg coherent diffraction imaging (BCDI) to reveal the strain evolution in Pt\u2013Ni alloy nanoparticle catalysts. These systems are important materials for hydrogen energy conversion devices such as hydrogen fuell cells. Composition dependency of &hellip; Continued\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.upjs.sk\/en\/information\/science-and-research\/scientific-and-research-activities-phd-studies\/top-research-teams\/qmagna-upjs\/news\/26069-2\/\" \/>\n<meta property=\"og:site_name\" content=\"UPJ\u0160 Ko\u0161ice\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/UniverzitaPavlaJozefaSafarikaVkosiciach\/\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-09T22:17:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.upjs.sk\/app\/uploads\/2022\/09\/indikovany-vyvoj-pnutia-ban.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"450\" \/>\n\t<meta property=\"og:image:height\" content=\"250\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@UPJS_kosice\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.upjs.sk\/en\/information\/science-and-research\/scientific-and-research-activities-phd-studies\/top-research-teams\/qmagna-upjs\/news\/26069-2\/\",\"url\":\"https:\/\/www.upjs.sk\/en\/information\/science-and-research\/scientific-and-research-activities-phd-studies\/top-research-teams\/qmagna-upjs\/news\/26069-2\/\",\"name\":\"Electrochemically Induced Strain Evolution in Pt\u2013Ni Alloy Nanoparticles Observed by Bragg Coherent Diffraction Imaging - 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