{"id":28564,"date":"2019-02-25T18:49:00","date_gmt":"2019-02-25T11:49:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28564"},"modified":"2021-10-03T18:50:25","modified_gmt":"2021-10-03T11:50:25","slug":"cau-truc-nano-khai-thac-anh-nang-mat-troi-de-san-sinh-hoi-nuoc-tu-mat-troi","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/cau-truc-nano-khai-thac-anh-nang-mat-troi-de-san-sinh-hoi-nuoc-tu-mat-troi\/","title":{"rendered":"C\u1ea5u tr\u00fac nano khai th\u00e1c \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi \u0111\u1ec3 s\u1ea3n sinh h\u01a1i n\u01b0\u1edbc t\u1eeb m\u1eb7t tr\u1eddi"},"content":{"rendered":"\n<p><strong><em>Ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t n\u01b0\u1edbc s\u1ea1ch l\u00e0 \u0111un n\u00f3ng n\u01b0\u1edbc b\u1ea9n cho \u0111\u1ebfn khi n\u00f3 chuy\u1ec3n sang d\u1ea1ng h\u01a1i. Khi h\u01a1i n\u01b0\u1edbc b\u1ed1c l\u00ean, n\u00f3 \u0111\u1ec3 l\u1ea1i c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m n\u1eb7ng, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu gom v\u00e0 l\u00e0m m\u00e1t, cu\u1ed1i c\u00f9ng cung c\u1ea5p n\u01b0\u1edbc s\u1ea1ch. Nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111un n\u00f3ng n\u01b0\u1edbc nh\u01b0 s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng t\u1ea1i giao di\u1ec7n c\u1ee7a kh\u00f4ng kh\u00ed v\u00e0 n\u01b0\u1edbc \u0111\u1ec3 khai th\u00e1c \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi v\u00e0 chuy\u1ec3n \u0111\u1ed5i \u00e1nh s\u00e1ng th\u00e0nh nhi\u1ec7t. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ti\u1ebft ki\u1ec7m nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng v\u00ec to\u00e0n b\u1ed9 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m n\u00f3ng n\u01b0\u1edbc g\u1ea7n b\u1ec1 m\u1eb7t, thay v\u00ec l\u00e0m n\u00f3ng to\u00e0n b\u1ed9 n\u01b0\u1edbc.<\/em><\/strong><\/p>\n\n\n\n<p>M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u d\u1eabn \u0111\u1ea7u l\u00e0 Mozhen Wang t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Trung Qu\u1ed1c v\u00e0 Yadong Yin thu\u1ed9c tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc California Riverside \u0111\u00e3 ch\u1ee9ng minh m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u1edbi c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 c\u1ee7a vi\u1ec7c t\u1ea1o ra h\u01a1i n\u01b0\u1edbc t\u1eeb m\u1eb7t tr\u1eddi b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac nano kim lo\u1ea1i plasmon h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng. Nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Nano Letters.<\/p>\n\n\n\n<p>C\u1ea5u tr\u00fac nano kim lo\u1ea1i plasmon l\u00e0 v\u1eadt li\u1ec7u m\u1edbi ph\u1ed5 bi\u1ebfn cho nhi\u1ec1u \u1ee9ng d\u1ee5ng quang t\u1eed, bao g\u1ed3m pin m\u1eb7t tr\u1eddi v\u00e0 h\u00ecnh \u1ea3nh quang h\u1ecdc, v\u00ec ch\u00fang t\u01b0\u01a1ng t\u00e1c v\u1edbi \u00e1nh s\u00e1ng theo nh\u1eefng c\u00e1ch \u0111\u1ed9c \u0111\u00e1o v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 th\u1ec3 hi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t nh\u01b0 mong \u0111\u1ee3i. V\u00ed d\u1ee5, \u0111\u1ed1i v\u1edbi vi\u1ec7c s\u1ea3n sinh h\u01a1i n\u01b0\u1edbc t\u1eeb m\u1eb7t tr\u1eddi, c\u1ea5u tr\u00fac nano kim lo\u1ea1i plasmon c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i \u0111\u1ec3 \u00e1nh s\u00e1ng c\u00f3 \u0111\u1ed9 h\u1ea5p th\u1ee5 cao v\u00e0 t\u00ednh ch\u1ea5t t\u00e1n x\u1ea1 th\u1ea5p.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, c\u1ea5u tr\u00fac nano plasmon c\u00f3 h\u1ea1n ch\u1ebf l\u00e0 d\u1ea3i c\u1ed9ng h\u01b0\u1edfng h\u1eb9p v\u00e0 do \u0111\u00f3, c\u00e1c c\u1ea5u tr\u00fac ch\u1ec9 c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 m\u1ed9t ph\u1ea7n nh\u1ecf quang ph\u1ed5 m\u1eb7t tr\u1eddi. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u m\u1edf r\u1ed9ng \u0111\u00e1ng k\u1ec3 d\u1ea3i c\u1ed9ng h\u01b0\u1edfng h\u1eb9p c\u1ee7a c\u00e1c h\u1ea1t nano b\u1ea1c plasmon.<\/p>\n\n\n\n<p>Ch\u00fang t\u00f4i \u0111\u00e3 ch\u1ee9ng minh c\u1ea5u tr\u00fac nano kim lo\u1ea1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc \u0111\u1ec3 hi\u1ec7u qu\u1ea3 trong vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i \u00e1nh s\u00e1ng ph\u1ed5 r\u1ed9ng th\u00e0nh nhi\u1ec7t, cho ph\u00e9p s\u1ea3n sinh h\u01a1i n\u01b0\u1edbc t\u1eeb m\u1eb7t tr\u1eddi hi\u1ec7u qu\u1ea3, Yin n\u00f3i.<\/p>\n\n\n\n<p>C\u1ea3i ti\u1ebfn d\u1ef1a v\u00e0o m\u1ed9t kh\u00e1i ni\u1ec7m \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 gh\u00e9p n\u1ed1i plasmon (plasmon coupling). Khi hai h\u1ea1t nano plasmon ti\u1ebfn \u0111\u1ebfn g\u1ea7n nhau, ch\u1ebf \u0111\u1ed9 c\u1ed9ng h\u01b0\u1edfng c\u1ee7a ch\u00fang s\u1ebd k\u1ebft h\u1ee3p v\u1edbi nhau, gi\u00fap m\u1edf r\u1ed9ng d\u1ea3i c\u1ed9ng h\u01b0\u1edfng k\u1ebft h\u1ee3p c\u1ee7a ch\u00fang, cho ph\u00e9p h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng \u1edf d\u1ea3i t\u1ea7n s\u1ed1 r\u1ed9ng h\u01a1n.<\/p>\n\n\n\n<p>D\u00f9 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m tr\u01b0\u1edbc \u0111\u00e2y, nh\u01b0ng ch\u1ec9 c\u1ea3i ti\u1ebfn kh\u00f4ng \u0111\u00e1ng k\u1ec3 trong vi\u1ec7c m\u1edf r\u1ed9ng quang ph\u1ed5. Trong nghi\u00ean c\u1ee9u m\u1edbi, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 t\u0103ng \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p m\u1edbi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng nhi\u1ec1u h\u1ea1t nano ti\u1ebfn l\u1ea1i g\u1ea7n nhau \u0111\u1ee7 \u0111\u1ec3 t\u1ea1o hi\u1ec7u \u1ee9ng. V\u1edbi ph\u01b0\u01a1ng ph\u00e1p m\u1edbi, c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh tr\u00ean b\u1ec1 m\u1eb7t b\u00ean trong c\u1ee7a v\u1ecf nano polyme \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 ng\u1eabu nhi\u00ean \u0111\u1ec3 \u0111\u1ebfn khi c\u00e1c h\u1ea1t ph\u00e1t tri\u1ec3n th\u00e0nh c\u00e1c h\u1ea1t nano plasmon, ch\u00fang x\u00edch l\u1ea1i g\u1ea7n nhau h\u01a1n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ea3m b\u1ea3o m\u1eadt \u0111\u1ed9 cao c\u00e1c h\u1ea1t nano \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb kh\u00f4ng gian h\u1ea1n ch\u1ebf v\u00e0 th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng b\u0103ng th\u00f4ng r\u1ed9ng.<\/p>\n\n\n\n<p>Theo t\u00ednh to\u00e1n c\u1ee7a c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u, ph\u01b0\u01a1ng ph\u00e1p m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ea1o h\u01a1i n\u01b0\u1edbc t\u1eeb m\u1eb7t tr\u1eddi cao t\u1edbi 95%, m\u1ee9c cao nh\u1ea5t cho \u0111\u1ebfn nay. Trong c\u00e1c th\u1eed nghi\u1ec7m v\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi t\u1ef1 nhi\u00ean, c\u00e1c h\u1ea1t nano \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t 68%. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u d\u1ef1 ki\u1ebfn c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa c\u1ea5u tr\u00fac nano trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n<p>Ngu\u1ed3n: Vista<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t n\u01b0\u1edbc s\u1ea1ch l\u00e0 \u0111un n\u00f3ng n\u01b0\u1edbc b\u1ea9n cho \u0111\u1ebfn khi n\u00f3 chuy\u1ec3n sang d\u1ea1ng h\u01a1i. Khi h\u01a1i n\u01b0\u1edbc b\u1ed1c l\u00ean, n\u00f3 \u0111\u1ec3 l\u1ea1i c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m n\u1eb7ng, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu gom v\u00e0 l\u00e0m m\u00e1t, cu\u1ed1i c\u00f9ng cung c\u1ea5p n\u01b0\u1edbc s\u1ea1ch. Nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111un n\u00f3ng n\u01b0\u1edbc nh\u01b0 s\u1eed d\u1ee5ng [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28564","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28564"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28564\/revisions"}],"predecessor-version":[{"id":28565,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28564\/revisions\/28565"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}