{"id":7990,"date":"2023-07-17T15:06:15","date_gmt":"2023-07-17T07:06:15","guid":{"rendered":"https:\/\/www.huashu-tech.com\/?p=7990"},"modified":"2024-02-27T19:25:31","modified_gmt":"2024-02-27T11:25:31","slug":"researchers-develop-the-first-broadband-image-sensor-array-based-on-graphene-cmos-integration","status":"publish","type":"post","link":"https:\/\/www.huashu-tech.com\/vi\/researchers-develop-the-first-broadband-image-sensor-array-based-on-graphene-cmos-integration\/","title":{"rendered":"C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ph\u00e1t tri\u1ec3n m\u1ea3ng c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh b\u0103ng th\u00f4ng r\u1ed9ng \u0111\u1ea7u ti\u00ean d\u1ef1a tr\u00ean s\u1ef1 t\u00edch h\u1ee3p graphene-CMOS"},"content":{"rendered":"<p>Trong 40 n\u0103m qua, vi \u0111i\u1ec7n t\u1eed \u0111\u00e3 c\u00f3 nh\u1eefng b\u01b0\u1edbc ti\u1ebfn nh\u1ea3y v\u1ecdt nh\u1edd c\u00f4ng ngh\u1ec7 silicon v\u00e0 ch\u1ea5t b\u00e1n d\u1eabn oxit kim lo\u1ea1i b\u1ed5 sung (CMOS), cho ph\u00e9p m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y \u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1 nh\u1ecf g\u1ecdn v\u00e0 gi\u00e1 r\u1ebb c\u0169ng nh\u01b0 h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed m\u00e0 ch\u00fang ta tin d\u00f9ng. v\u00e0o ng\u00e0y h\u00f4m nay.<\/p>\n<section class=\"article-banner first-banner ads-336x280\">\n<div id=\"div-gpt-ad-1449240174198-2\"><\/div>\n<\/section>\n<p>&nbsp;<\/p>\n<p>Tuy nhi\u00ean, vi\u1ec7c \u0111a d\u1ea1ng h\u00f3a n\u1ec1n t\u1ea3ng n\u00e0y sang c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c ngo\u00e0i vi m\u1ea1ch v\u00e0 m\u00e1y \u1ea3nh \u00e1nh s\u00e1ng kh\u1ea3 ki\u1ebfn \u0111\u00e3 b\u1ecb c\u1ea3n tr\u1edf do kh\u00f3 k\u1ebft h\u1ee3p ch\u1ea5t b\u00e1n d\u1eabn kh\u00f4ng silicon v\u1edbi CMOS.<\/p>\n<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u1ee7a ICFO hi\u1ec7n \u0111\u00e3 v\u01b0\u1ee3t qua tr\u1edf ng\u1ea1i n\u00e0y, l\u1ea7n \u0111\u1ea7u ti\u00ean cho th\u1ea5y s\u1ef1 t\u00edch h\u1ee3p nguy\u00ean kh\u1ed1i c\u1ee7a m\u1ea1ch t\u00edch h\u1ee3p CMOS v\u1edbi graphene, d\u1eabn \u0111\u1ebfn h\u00ecnh \u1ea3nh c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao\u00a0<a class=\"textTag\" href=\"https:\/\/phys.org\/tags\/image+sensor\/\" rel=\"tag\">c\u1ea3m bi\u1ebfn \u1ea3nh<\/a>\u00a0bao g\u1ed3m h\u00e0ng tr\u0103m ng\u00e0n b\u1ed9 t\u00e1ch s\u00f3ng quang d\u1ef1a tr\u00ean graphene v\u00e0 c\u00e1c ch\u1ea5m l\u01b0\u1ee3ng t\u1eed (QD). H\u1ecd \u0111\u00e3 k\u1ebft h\u1ee3p n\u00f3 v\u00e0o m\u1ed9t m\u00e1y \u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1 c\u00f3 \u0111\u1ed9 nh\u1ea1y cao \u0111\u1ed3ng th\u1eddi v\u1edbi tia UV, \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y v\u00e0 tia h\u1ed3ng ngo\u1ea1i. \u0110i\u1ec1u n\u00e0y ch\u01b0a bao gi\u1edd \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u01b0\u1edbc \u0111\u00e2y v\u1edbi c\u00e1c c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh hi\u1ec7n c\u00f3. Nh\u00ecn chung, vi\u1ec7c tr\u00ecnh di\u1ec5n s\u1ef1 t\u00edch h\u1ee3p nguy\u00ean kh\u1ed1i c\u1ee7a graphene v\u1edbi CMOS cho ph\u00e9p th\u1ef1c hi\u1ec7n nhi\u1ec1u \u1ee9ng d\u1ee5ng quang \u0111i\u1ec7n t\u1eed, ch\u1eb3ng h\u1ea1n nh\u01b0 truy\u1ec1n th\u00f4ng d\u1eef li\u1ec7u quang c\u00f4ng su\u1ea5t th\u1ea5p v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng c\u1ea3m bi\u1ebfn nh\u1ecf g\u1ecdn v\u00e0 c\u1ef1c nh\u1ea1y.<\/p>\n<p>Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean\u00a0<i>Quang t\u1eed thi\u00ean nhi\u00ean<\/i>v\u00e0 \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u tr\u00ean \u1ea3nh b\u00eca tr\u01b0\u1edbc. C\u00f4ng vi\u1ec7c \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi ICFO ph\u1ed1i h\u1ee3p v\u1edbi c\u00f4ng ty Graphenea. C\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh graphene-QD \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng c\u00e1ch l\u1ea5y keo PbS\u00a0<a class=\"textTag\" href=\"https:\/\/phys.org\/tags\/quantum+dots\/\" rel=\"tag\">ch\u1ea5m l\u01b0\u1ee3ng t\u1eed<\/a>, \u0111\u1eb7t ch\u00fang l\u00ean graphene CVD v\u00e0 sau \u0111\u00f3 \u0111\u1eb7t h\u1ec7 th\u1ed1ng lai n\u00e0y l\u00ean m\u1ed9t t\u1ea5m b\u00e1n d\u1eabn CMOS c\u00f3 khu\u00f4n c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh v\u00e0 m\u1ea1ch \u0111\u1ecdc ra. Nh\u01b0 Stijn Goossens nh\u1eadn x\u00e9t: \u201cKh\u00f4ng c\u1ea7n qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ho\u1eb7c t\u0103ng tr\u01b0\u1edfng v\u1eadt li\u1ec7u ph\u1ee9c t\u1ea1p \u0111\u1ec3 t\u1ea1o ra c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh CMOS ch\u1ea5m l\u01b0\u1ee3ng t\u1eed graphene n\u00e0y. N\u00f3 t\u1ecf ra d\u1ec5 d\u00e0ng v\u00e0 r\u1ebb ti\u1ec1n khi ch\u1ebf t\u1ea1o \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng v\u00e0 trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng xung quanh, \u0111i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed s\u1ea3n xu\u1ea5t. H\u01a1n n\u1eefa, nh\u1edd c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a n\u00f3, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p d\u1ec5 d\u00e0ng tr\u00ean c\u00e1c ch\u1ea5t n\u1ec1n linh ho\u1ea1t c\u0169ng nh\u01b0 c\u00e1c m\u1ea1ch t\u00edch h\u1ee3p lo\u1ea1i CMOS.\u201d<\/p>\n<figure class=\"mb-4\">\n<div class=\"embed-responsive embed-responsive-16by9\"><iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/szL-ejdpNgU?color=white\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><\/iframe><\/div>\n<\/figure>\n<p>\u201cCh\u00fang t\u00f4i \u0111\u00e3 thi\u1ebft k\u1ebf c\u00e1c QD \u0111\u1ec3 m\u1edf r\u1ed9ng ph\u1ea1m vi h\u1ed3ng ngo\u1ea1i ng\u1eafn c\u1ee7a quang ph\u1ed5 (1100-1900nm), \u0111\u1ebfn m\u1ee9c ch\u00fang t\u00f4i c\u00f3 th\u1ec3 ch\u1ee9ng minh v\u00e0 ph\u00e1t hi\u1ec7n \u00e1nh s\u00e1ng ban \u0111\u00eam c\u1ee7a b\u1ea7u kh\u00ed quy\u1ec3n tr\u00ean b\u1ea7u tr\u1eddi t\u1ed1i v\u00e0 trong, cho ph\u00e9p nh\u00ecn \u0111\u00eam th\u1ee5 \u0111\u1ed9ng. C\u00f4ng tr\u00ecnh n\u00e0y cho th\u1ea5y lo\u1ea1i ch\u1ea5t b\u00e1n d\u1eabn quang n\u00e0y c\u00f3 th\u1ec3 l\u00e0 h\u01b0\u1edbng \u0111i cho h\u00ecnh \u1ea3nh h\u1ed3ng ngo\u1ea1i c\u00f3 \u0111\u1ed9 nh\u1ea1y cao, chi ph\u00ed th\u1ea5p.\u00a0<a class=\"textTag\" href=\"https:\/\/phys.org\/tags\/sensors\/\" rel=\"tag\">c\u1ea3m bi\u1ebfn<\/a>\u00a0ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng nh\u1eb1m gi\u1ea3i quy\u1ebft th\u1ecb tr\u01b0\u1eddng h\u1ed3ng ngo\u1ea1i kh\u1ed5ng l\u1ed3 hi\u1ec7n \u0111ang kh\u00e1t khao c\u00e1c c\u00f4ng ngh\u1ec7 gi\u00e1 r\u1ebb,\u201d Goossens n\u00f3i.<\/p>\n<p>Gi\u00e1o s\u01b0 Frank Koppens c\u1ee7a ICREA cho bi\u1ebft: \u201cS\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh d\u1ef1a tr\u00ean CMOS nguy\u00ean kh\u1ed1i n\u00e0y \u0111\u00e1nh d\u1ea5u m\u1ed9t c\u1ed9t m\u1ed1c quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng h\u00ecnh \u1ea3nh si\u00eau ph\u1ed5 v\u00e0 b\u0103ng th\u00f4ng r\u1ed9ng c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, chi ph\u00ed th\u1ea5p\u201d. \u00d4ng n\u00f3i r\u1eb1ng \u201cn\u00f3i chung, c\u00f4ng ngh\u1ec7 graphene-CMOS s\u1ebd cho ph\u00e9p m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c \u1ee9ng d\u1ee5ng t\u1eeb an to\u00e0n, b\u1ea3o m\u1eadt, m\u00e1y \u1ea3nh b\u1ecf t\u00fai v\u00e0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh gi\u00e1 r\u1ebb, h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n h\u1ecfa l\u1ef1c, camera quan s\u00e1t ban \u0111\u00eam v\u00e0 gi\u00e1m s\u00e1t ban \u0111\u00eam th\u1ee5 \u0111\u1ed9ng, h\u1ec7 th\u1ed1ng c\u1ea3m bi\u1ebfn \u00f4 t\u00f4, y t\u1ebf.\u201d c\u00e1c \u1ee9ng d\u1ee5ng h\u00ecnh \u1ea3nh, ki\u1ec3m tra th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m \u0111\u1ebfn gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng, v.v.\u201d<\/p>","protected":false},"excerpt":{"rendered":"<p>Over the past 40 years, microelectronics have advanced by leaps and bounds thanks to silicon and complementary metal-oxide semiconductor (CMOS) technology, enabling computing, smartphones, compact and low-cost digital cameras, as well as most of the electronic gadgets we rely on today. &nbsp; However, the diversification of this platform into applications other than microcircuits and visible<\/p>","protected":false},"author":1,"featured_media":8003,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1,321],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.huashu-tech.com\/vi\/wp-json\/wp\/v2\/posts\/7990"}],"collection":[{"href":"https:\/\/www.huashu-tech.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.huashu-tech.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.huashu-tech.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.huashu-tech.com\/vi\/wp-json\/wp\/v2\/comments?post=7990"}],"version-history":[{"count":1,"href":"https:\/\/www.huashu-tech.com\/vi\/wp-json\/wp\/v2\/posts\/7990\/revisions"}],"predecessor-version":[{"id":8004,"href":"https:\/\/www.huashu-tech.com\/vi\/wp-json\/wp\/v2\/posts\/7990\/revisions\/8004"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.huashu-tech.com\/vi\/wp-json\/wp\/v2\/media\/8003"}],"wp:attachment":[{"href":"https:\/\/www.huashu-tech.com\/vi\/wp-json\/wp\/v2\/media?parent=7990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.huashu-tech.com\/vi\/wp-json\/wp\/v2\/categories?post=7990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.huashu-tech.com\/vi\/wp-json\/wp\/v2\/tags?post=7990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}