{"id":15713,"date":"2023-06-26T06:08:51","date_gmt":"2023-06-26T04:08:51","guid":{"rendered":"https:\/\/thesmartcityjournal.cibeles.net\/sin-categoria\/smart-room-temperature-phosphorescence-rtp-materials\/"},"modified":"2023-06-26T05:38:03","modified_gmt":"2023-06-26T03:38:03","slug":"smart-room-temperature-phosphorescence-rtp-materials","status":"publish","type":"post","link":"https:\/\/www.thesmartcityjournal.com\/en\/news\/smart-room-temperature-phosphorescence-rtp-materials","title":{"rendered":"Smart Room-Temperature Phosphorescence (RTP) Materials"},"content":{"rendered":"<p class=\"lead\">Overcoming this challenge and achieving tunable multi-emissive RTP in a water-based system remains a challenge<\/p>\n<p><strong>Materials that show persistent emission with multi-dimensional<\/strong>&nbsp;and dynamic color displays are advancing rapidly in various scientific fields. However, the presence of water and oxygen significantly impacts the performance of materials that emit through Room Temperature Phosphorescence (RTP), thereby limiting their potential applications. Overcoming this challenge and achieving tunable multi-emissive RTP in a water-based system remains a challenge.<\/p>\n<p>Hydrogen-bonded organic frameworks (HOFs) possess advantageous hydrogen bonding capabilities and offer diverse and adjustable rigid structures. These characteristics make HOFs promising host materials for promoting RTP.<\/p>\n<p>Ming-Xue Wu, College of Chemistry and Chemical Engineering, Qingdao University, China, and colleagues have developed a progressive assembly strategy that involves doping and phosphorescent HOF-based self-assembly. This strategy enables the creation of tunable multi-emissive RTP in water.<\/p>\n<p>Trimesic acid (TMA), known for its RTP properties and rich hydrogen bonding sites, was chosen as the fundamental building block (pictured below). The team then incorporated organic phosphors such as 4-bromo-1,8-naphthalic anhydride (NPA) into TMA, resulting in TMA+phosphors. This doping enhanced the RTP emission of phosphors while maintaining the phosphorescence of TMA. Furthermore, they introduced melamine (MA) into the binary TMA+phosphors system, leading to the creationof phosphorescent HOF(MA-TMA)@phosphors through in-situ assembly. This formation provided a hydrogen-bonded network shield that preserves the rigidity of the phosphors, preventing nonradiative transitions and promoting RTP emission in water.<\/p>\n<p>HOF(MA-TMA)@phosphors also facilitates the regulation of phosphorescence in water. The hydrogen-bonded network structure maintaines the stability of the phosphors, enabling dual RTP emission from HOF(MA-TMA) and the guest phosphors. Moreover, the RTP materials of HOF(MA-TMA)@phosphors show high stability in water, thanks to the ordered and dense hydrogen-bonded network structure that resisted water interference.<\/p>\n<p>Moreover, these RTP materials can be easily processed into luminescent films by mixing them with polydimethylsiloxane (PDMS). They show promising potential in encryption and anti-counterfeiting applications due to the presence of two phosphorescent light sources: the phosphorescent HOF(MA-TMA) host and the phosphor guest. These sources induce different luminescent colors and durations when excited by 365 nm and 254 nm, respectively. (pictured below)<\/p>\n<p><em><a href=\"https:\/\/doi.org\/10.1002\/agt2.370\" target=\"_blank\" rel=\"noopener\">Smart phosphorescence from solid to water through progressive assembly strategy based on dual phosphorescent sources<\/a>,<br \/>Qing-Qing Xia, Xing-Huo Wang, Jia-Lin Yu, Zhong-Yuan Chen, Xin-Yue Lou, Xiaomin Liu, Ming-Xue Wu, Ying-Wei Yang,<br \/><\/em><em>Aggregate<\/em><em>&nbsp;<\/em><em><strong>2023<\/strong><\/em><em>.<br \/><\/em><a href=\"https:\/\/doi.org\/10.1002\/agt2.370\" target=\"_blank\" rel=\"noopener\"><em>https:\/\/doi.org\/10.1002\/agt2.370<\/em><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overcoming this challenge and achieving tunable multi-emissive RTP in a water-based system remains a challenge Materials that show persistent emission with multi-dimensional&nbsp;and dynamic color displays are advancing rapidly in various scientific fields. However, the presence of water and oxygen significantly impacts the performance of materials that emit through Room Temperature Phosphorescence (RTP), thereby limiting their\u2026<\/p>\n","protected":false},"author":2,"featured_media":15712,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_scj_primary_category_id":136,"_scj_featured":false,"_scj_featured_from":"","_scj_featured_until":"","_scj_featured_order":0,"_scj_visibility_class":"current","_scj_layout_family":"standard","_scj_article_style":"","_scj_display_overrides":[],"_scj_intro_image_id":15712,"_scj_intro_alt":"Smart Room-Temperature Phosphorescence (RTP) Materials","_scj_intro_caption":"","_scj_intro_class":"","_scj_intro_float":"","_scj_full_image_id":15712,"_scj_full_alt":"Smart Room-Temperature Phosphorescence (RTP) Materials","_scj_full_caption":"","_scj_full_class":"","_scj_full_float":"","_scj_media_type":"","_scj_media_provider":"","_scj_media_external_id":"","_scj_media_url":"","_scj_media_poster_id":0,"_scj_media_width":0,"_scj_media_height":0,"_scj_media_aspect_ratio":"","_scj_media_description":"","_scj_gallery_items":[],"_scj_related_post_ids":[],"_scj_additional_authors":[],"scj_layout_family":"standard","scj_media_provider":"","scj_media_url":"","scj_full_caption":"","footnotes":""},"categories":[136],"tags":[],"class_list":["post-15713","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Smart Room-Temperature Phosphorescence (RTP) Materials - thesmartcityjournal.com<\/title>\n<meta name=\"description\" content=\"Materials that show persistent emission with multi-dimensional\u00a0and dynamic color displays are advancing rapidly in various scientific fields. However, the presence of water and oxygen significantly impacts the performance of materials that emit through Room Temperature Phosphorescence (RTP), thereby limiting their potential applications. Overcoming this challenge and achieving tunable multi-emissive RTP in a water-based system remains a challenge.\" \/>\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.thesmartcityjournal.com\/en\/news\/smart-room-temperature-phosphorescence-rtp-materials\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Smart Room-Temperature Phosphorescence (RTP) Materials - thesmartcityjournal.com\" \/>\n<meta property=\"og:description\" content=\"Materials that show persistent emission with multi-dimensional\u00a0and dynamic color displays are advancing rapidly in various scientific fields. However, the presence of water and oxygen significantly impacts the performance of materials that emit through Room Temperature Phosphorescence (RTP), thereby limiting their potential applications. Overcoming this challenge and achieving tunable multi-emissive RTP in a water-based system remains a challenge.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thesmartcityjournal.com\/en\/news\/smart-room-temperature-phosphorescence-rtp-materials\" \/>\n<meta property=\"og:site_name\" content=\"thesmartcityjournal.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/thesmartcityjournal\" \/>\n<meta property=\"article:published_time\" content=\"2023-06-26T04:08:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.thesmartcityjournal.com\/wp-content\/uploads\/2023\/06\/RTP_Materials.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Redacci\u00f3n de The Smart City Journal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SmartCityJour_\" \/>\n<meta name=\"twitter:site\" content=\"@SmartCityJour_\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Redacci\u00f3n de The Smart City Journal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.thesmartcityjournal.com\\\/en\\\/news\\\/smart-room-temperature-phosphorescence-rtp-materials#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.thesmartcityjournal.com\\\/en\\\/news\\\/smart-room-temperature-phosphorescence-rtp-materials\"},\"author\":{\"@type\":\"Organization\",\"name\":\"Redacci\u00f3n de The Smart City Journal\",\"url\":\"https:\\\/\\\/www.thesmartcityjournal.com\\\/en\\\/author\\\/smart-city\"},\"headline\":\"Smart Room-Temperature Phosphorescence (RTP) Materials\",\"datePublished\":\"2023-06-26T04:08:51+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.thesmartcityjournal.com\\\/en\\\/news\\\/smart-room-temperature-phosphorescence-rtp-materials\"},\"wordCount\":398,\"publisher\":{\"@id\":\"https:\\\/\\\/www.thesmartcityjournal.com\\\/en#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.thesmartcityjournal.com\\\/en\\\/news\\\/smart-room-temperature-phosphorescence-rtp-materials#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.thesmartcityjournal.com\\\/wp-content\\\/uploads\\\/2023\\\/06\\\/RTP_Materials.jpg\",\"articleSection\":[\"News\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.thesmartcityjournal.com\\\/en\\\/news\\\/smart-room-temperature-phosphorescence-rtp-materials\",\"url\":\"https:\\\/\\\/www.thesmartcityjournal.com\\\/en\\\/news\\\/smart-room-temperature-phosphorescence-rtp-materials\",\"name\":\"Smart Room-Temperature Phosphorescence (RTP) Materials - thesmartcityjournal.com\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.thesmartcityjournal.com\\\/en#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.thesmartcityjournal.com\\\/en\\\/news\\\/smart-room-temperature-phosphorescence-rtp-materials#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.thesmartcityjournal.com\\\/en\\\/news\\\/smart-room-temperature-phosphorescence-rtp-materials#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.thesmartcityjournal.com\\\/wp-content\\\/uploads\\\/2023\\\/06\\\/RTP_Materials.jpg\",\"datePublished\":\"2023-06-26T04:08:51+00:00\",\"description\":\"Materials that show persistent emission with multi-dimensional\u00a0and dynamic color displays are advancing rapidly in various scientific fields. 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