{"id":4623,"date":"2015-11-30T10:57:23","date_gmt":"2015-11-30T03:57:23","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=4623"},"modified":"2017-10-02T09:41:43","modified_gmt":"2017-10-02T02:41:43","slug":"phat-trien-thanh-cong-mang-ban-dan-sieu-mong-tao-tien-de-che-tao-man-hinh-led-trong-suot","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phat-trien-thanh-cong-mang-ban-dan-sieu-mong-tao-tien-de-che-tao-man-hinh-led-trong-suot\/","title":{"rendered":"Ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng m\u00e0ng b\u00e1n d\u1eabn si\u00eau m\u1ecfng, t\u1ea1o ti\u1ec1n \u0111\u1ec1 ch\u1ebf t\u1ea1o m\u00e0n h\u00ecnh LED trong su\u1ed1t"},"content":{"rendered":"

Ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng m\u00e0ng b\u00e1n d\u1eabn si\u00eau m\u1ecfng, t\u1ea1o ti\u1ec1n \u0111\u1ec1 ch\u1ebf t\u1ea1o m\u00e0n h\u00ecnh LED trong su\u1ed1t<\/strong><\/p>\n

\"\"<\/p>\n

B\u1eb1ng m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t ra t\u1ea5m phim b\u00e1n d\u1eabn si\u00eau m\u1ecfng \u1edf c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u1ea1o ti\u1ec1n \u0111\u1ec1 cho s\u1ef1 ra \u0111\u1eddi c\u1ee7a nh\u1eefng chi\u1ebfc m\u00e0n h\u00ecnh LED trong su\u1ed1t, c\u00e1c t\u1ebf b\u00e0o n\u0103ng l\u01b0\u1ee3ng M\u1eb7t Tr\u1eddi hi\u1ec7u su\u1ea5t cao v\u00e0 t\u1ea5t nhi\u00ean, nh\u1eefng b\u00f3ng b\u00e1n d\u1eabn si\u00eau nh\u1ecf v\u1ed1n s\u1ebd \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong r\u1ea5t nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau.<\/p>\n

K\u1ef9 thu\u1eadt m\u00e0 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i UC Berkeley v\u00e0 Ph\u00f2ng th\u00ed nghi\u1ec7m qu\u1ed1c gia Lawrence Berkeley v\u1eeba ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng \u0111\u01a1n gi\u1ea3n ch\u1ec9 l\u00e0 s\u1eed d\u1ee5ng m\u1ed9t lo\u1ea1i si\u00eau acid h\u1eefu c\u01a1 \u0111\u1ec3 x\u1eed l\u00fd phim b\u00e1n d\u1eabn \u0111\u01a1n l\u1edbp (monolayer semiconductor) c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb molypden \u0111isulfua (MoS2). B\u1eb1ng c\u00e1ch n\u00e0y, h\u1ecd c\u00f3 th\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 ph\u00e1t quang c\u1ee7a l\u1edbp phim n\u00e0y l\u00ean g\u1ea5p 5000 l\u1ea7n, t\u1eeb 1% l\u00ean 100%.<\/p>\n

Gi\u00e1o s\u01b0 Ali Javey t\u1ea1i UC Berkeley, nh\u00e0 nghi\u00ean c\u1ee9u ch\u00ednh c\u1ee7a d\u1ef1 \u00e1n cho bi\u1ebft: “\u0110\u00e2y l\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t t\u1ea5m quang \u0111i\u1ec7n t\u1eed \u0111\u01a1n l\u1edbp ho\u00e0n h\u1ea3o v\u00e0 \u0111\u1ea1t \u0111\u1ed9 m\u1ecfng c\u1ee7a v\u1eadt li\u1ec7u ch\u01b0a t\u1eebng c\u00f3 tr\u01b0\u1edbc \u0111\u00e2y.”<\/em><\/p>\n

\"\"<\/p>\n

L\u1edbp b\u00e1n d\u1eabn quang \u0111i\u1ec7n t\u1eed \u0111\u01a1n l\u1edbp b\u00ean tr\u00e1i ch\u01b0a qua x\u1eed l\u00fd si\u00eau acid, b\u00ean ph\u1ea3i \u0111\u00e3 tr\u1ea3i qua x\u1eed l\u00fd si\u00eau acid nh\u1eb1m t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 ho\u00e0n h\u1ea3o\u200b<\/em><\/p>\n

Tr\u00ean th\u1ef1c t\u1ebf, nh\u00f3m \u0111\u00e3 t\u1ea1o ra nh\u1eefng l\u1edbp MoS2 v\u1edbi \u0111\u1ed9 d\u00e0y ch\u1ec9 7\/10 nano m\u00e9t, th\u1eadm ch\u00ed l\u00e0 m\u1ecfng h\u01a1n c\u1ea3 m\u1ed9t s\u1ee3 DNA c\u1ee7a con ng\u01b0\u1eddi v\u1edbi \u0111\u01b0\u1eddng k\u00ednh ch\u1ec9 kho\u1ea3ng 2,5 nano m\u00e9t. Vi\u1ec7c ng\u00e2m nh\u1eefng l\u1edbp MoS2 n\u00e0y trong lo\u1ea1i si\u00eau acid s\u1ebd gi\u00fap ph\u00e1 h\u1ee7y c\u00e1c lo\u1ea1i t\u1ea1p ch\u1ea5t trong c\u1ea5u tr\u00fac c\u1ee7a n\u00f3, \u0111\u1ed3ng th\u1eddi l\u1ea5p \u0111\u1ea7y c\u00e1c nguy\u00ean t\u1eed c\u00f2n thi\u1ebfu b\u1eb1ng ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc mang t\u00ean protonation (proton h\u00f3a) nh\u1eb1m t\u1ea1o \u0111\u1ed9 tinh khi\u1ebft t\u1ed1i \u01b0u.<\/p>\n

Nh\u1eefng b\u00e1n d\u1eabn \u0111\u01a1n l\u1edbp c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng th\u1ea5p, \u0111\u00f2ng th\u1eddi c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c xo\u1eafn, u\u1ed1n cong v\u00e0 nhi\u1ec1u \u00e1p l\u1ef1c kh\u00e1c, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111\u00f2i h\u1ecfi s\u1ef1 trong su\u1ed1t v\u00e0 linh ho\u1ea1t. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t chi\u1ebfc m\u00e0n h\u00ecnh LED hi\u1ec7u su\u1ea5t cao c\u00f3 th\u1ec3 bi\u1ebfn d\u1ea1ng, trong su\u1ed1t khi t\u1eaft ngu\u1ed3n,… th\u1eadt tuy\u1ec7t v\u1eddi.<\/p>\n

M\u1eb7t kh\u00e1c, k\u1ef9 thu\u1eadt x\u1eed l\u00fd b\u1eb1ng si\u00eau acid c\u00f2n gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c b\u00f3ng b\u00e1n d\u1eabn th\u00f4ng qua vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c khuy\u1ebft t\u1eadt trong c\u1ea5u tr\u00fac c\u1ee7a n\u00f3, t\u1ea1o ti\u1ec1n \u0111\u1ec1 \u0111\u1ec3 ph\u00e1t tri\u1ec3n nh\u1eefng con chip m\u00e1y t\u00ednh nh\u1ecf h\u01a1n v\u00e0 m\u1ecfng h\u01a1n.<\/p>\n

Tham kh\u1ea3o Gizmag, Berkeley\u200b<\/em><\/strong><\/p>\n

Ngu\u1ed3n tinhte.vn<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng m\u00e0ng b\u00e1n d\u1eabn si\u00eau m\u1ecfng, t\u1ea1o ti\u1ec1n \u0111\u1ec1 ch\u1ebf t\u1ea1o m\u00e0n h\u00ecnh LED trong su\u1ed1t B\u1eb1ng m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t ra t\u1ea5m phim b\u00e1n d\u1eabn si\u00eau m\u1ecfng \u1edf c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u1ea1o ti\u1ec1n \u0111\u1ec1 cho s\u1ef1 ra \u0111\u1eddi c\u1ee7a nh\u1eefng […]<\/p>\n","protected":false},"author":17,"featured_media":5081,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-4623","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4623","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=4623"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4623\/revisions"}],"predecessor-version":[{"id":5082,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4623\/revisions\/5082"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/5081"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=4623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=4623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=4623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}