{"id":7644,"date":"2017-10-09T09:38:57","date_gmt":"2017-10-09T02:38:57","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=7644"},"modified":"2017-11-30T09:41:05","modified_gmt":"2017-11-30T02:41:05","slug":"may-tao-nhiet-dien-nang-luong-mat-troi-co-the-mac-duoc","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/may-tao-nhiet-dien-nang-luong-mat-troi-co-the-mac-duoc\/","title":{"rendered":"M\u00e1y t\u1ea1o nhi\u1ec7t \u0111i\u1ec7n – n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u00f3 th\u1ec3 m\u1eb7c \u0111\u01b0\u1ee3c"},"content":{"rendered":"

M\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi \u0111\u00e2y c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1eeb UNIST \u0111\u00e3 gi\u1edbi thi\u1ec7u m\u1ed9t h\u1ec7 th\u1ed1ng thu ho\u1ea1ch n\u0103ng l\u01b0\u1ee3ng c\u1ea3i ti\u1ebfn m\u1edbi, c\u00f3 kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t \u0111i\u1ec7n khi g\u1eafn v\u00e0o qu\u1ea7n \u00e1o, c\u1eeda s\u1ed5 v\u00e0 t\u01b0\u1eddng ngo\u00e0i c\u1ee7a t\u00f2a nh\u00e0.<\/p>\n

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Thi\u1ebft b\u1ecb m\u1edbi \u0111\u01b0\u1ee3c d\u1ef1a tr\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai b\u00ean n\u00f3ng v\u00e0 l\u1ea1nh. S\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 t\u0103ng l\u00ean \u0111\u1ebfn 20,9\u00b0C, cao h\u01a1n nhi\u1ec1u so v\u1edbi s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 th\u00f4ng th\u01b0\u1eddng t\u1eeb 1,5 \u0111\u1ebfn 4,1\u00b0C c\u1ee7a c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n nhi\u1ec7t c\u00f3 th\u1ec3 m\u1eb7c d\u1eabn \u0111\u1ed9ng b\u1edfi nhi\u1ec7t c\u01a1 th\u1ec3. Nh\u00f3m nghi\u00ean c\u1ee9u hy v\u1ecdng r\u1eb1ng m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi m\u1eb7c \u0111\u01b0\u1ee3c c\u1ee7a h\u1ecd s\u1ebd mang \u0111\u1ebfn m\u1ed9t c\u00e1ch n\u00e2ng cao hi\u1ec7u qu\u1ea3 b\u1eb1ng c\u00e1ch t\u0103ng \u0111\u1ed9 ch\u00eanh l\u1ec7ch nhi\u1ec7t.<\/p>\n

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Thu ho\u1ea1ch n\u0103ng l\u01b0\u1ee3ng l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c \u0111a d\u1ea1ng s\u1eed d\u1ee5ng nhi\u1ec1u c\u00f4ng ngh\u1ec7, g\u1ed3m m\u1ed9t quy tr\u00ecnh thu h\u00fat nh\u1eefng l\u01b0\u1ee3ng nh\u1ecf n\u0103ng l\u01b0\u1ee3ng nh\u01b0 nhi\u1ec7t, \u00e1nh s\u00e1ng, \u00e2m thanh, dao \u0111\u1ed9ng ho\u1eb7c chuy\u1ec3n \u0111\u1ed9ng. M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n l\u00e0 thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t th\u1eeba, ch\u1eb3ng h\u1ea1n nh\u01b0 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, n\u0103ng l\u01b0\u1ee3ng \u0111\u1ecba nhi\u1ec7t v\u00e0 nhi\u1ec7t c\u01a1 th\u1ec3 th\u00e0nh \u0111i\u1ec7n n\u0103ng b\u1ed5 sung.<\/p>\n

G\u1ea7n \u0111\u00e2y c\u00f3 m\u1ed9t s\u1ef1 gia t\u0103ng l\u1edbn trong nghi\u00ean c\u1ee9u m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111eo \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa c\u01a1 th\u1ec3 v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh. Tuy nhi\u00ean, m\u1ed9t trong nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh c\u1ee7a c\u00e1c k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n m\u1eb7c \u0111\u01b0\u1ee3c d\u1eabn \u0111\u1ed9ng b\u1eb1ng th\u00e2n nhi\u1ec7t l\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 ch\u1ec9 \u1edf m\u1ee9c 1-4o<\/sup>C v\u00e0 \u0111i\u1ec1u n\u00e0y \u0111\u00e3 c\u1ea3n tr\u1edf vi\u1ec7c th\u01b0\u01a1ng m\u1ea1i ho\u00e1.<\/p>\n

Nh\u00f3m nghi\u00ean c\u1ee9u gi\u1ea3i quy\u1ebft m\u1ee9c \u0111\u1ed9 kh\u00e1c bi\u1ec7t nhi\u1ec7t \u0111\u1ed9 th\u1ea5p m\u00e0 m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n m\u1eb7c \u0111\u01b0\u1ee3c th\u01b0\u1eddng ph\u1ea3i \u0111\u1ed1i m\u1eb7t b\u1eb1ng c\u00e1ch \u0111\u01b0a v\u00e0o m\u1ed9t ch\u1ea5t h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi t\u1ea1i ch\u1ed7 tr\u00ean ch\u1ea5t n\u1ec1n poliamit. B\u1ed9 h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi l\u00e0 si\u00eau c\u1ea5u tr\u00fac Ti\/MgF2<\/sub>\u00a0n\u0103m l\u1edbp, trong \u0111\u00f3 c\u1ea5u tr\u00fac v\u00e0 \u0111\u1ed9 d\u1ea7y c\u1ee7a m\u1ed7i l\u1edbp \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ed1i \u01b0u s\u1ef1 h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 l\u00e0m t\u0103ng \u0111\u1ed9 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 20,9\u00b0C, gi\u00e1 tr\u1ecb cao nh\u1ea5t c\u1ee7a t\u1ea5t c\u1ea3 m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n m\u1eb7c \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn nay.<\/p>\n

Qua nghi\u00ean c\u1ee9u n\u00e0y, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 t\u0103ng g\u1ea5p 10 l\u1ea7n so v\u1edbi c\u00e1c m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi th\u00f4ng th\u01b0\u1eddng. Do s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi c\u0103n b\u1eadc hai c\u1ee7a s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9, c\u00f4ng su\u1ea5t s\u1ebd t\u0103ng \u0111\u01b0\u1ee3c \u0111\u00e1ng k\u1ec3 v\u1edbi c\u00f4ng ngh\u1ec7 n\u00e0y.<\/p>\n

Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 thi\u1ebft k\u1ebf m\u1ed9t m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi m\u1eb7c \u0111\u01b0\u1ee3c m\u1edbi b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c ch\u00e2n nhi\u1ec7t \u0111i\u1ec7n linh ho\u1ea1t d\u1ef1a tr\u00ean BiTe v\u00e0 c\u00e1c ch\u1ea5t h\u1ea5p th\u1ee5 nhi\u1ec7t d\u00e0y si\u00eau hi\u1ec3n vi tr\u00ean ch\u1ea5t n\u1ec1n poliamit. C\u00e1c ch\u00e2n nhi\u1ec7t \u0111i\u1ec7n \u0111\u01b0\u1ee3c x\u1eed l\u00ed b\u1eb1ng c\u00e1ch in \u0111\u1ecbnh l\u01b0\u1ee3ng v\u1edbi lo\u1ea1i m\u1ef1c bao g\u1ed3m c\u00e1c lo\u1ea1i b\u1ed9t BiTe kim lo\u1ea1i h\u00f3a c\u01a1 h\u1ecdc v\u00e0 ph\u1ee5 gia dung k\u1ebft Sb2<\/sub>Te3<\/sub>\u00a0ph\u00e2n t\u00e1n trong glycerol. H\u1ecd cho bi\u1ebft m\u1ed9t m\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi m\u1eb7c \u0111\u01b0\u1ee3c bao g\u1ed3m 10 \u0111\u00f4i ch\u00e2n p-n c\u00f3 \u0111i\u1ec7n \u00e1p m\u1ea1ch m\u1edf 55,15 mV v\u00e0 c\u00f4ng su\u1ea5t \u0111\u1ea7u ra l\u00e0 4,44 \u03bcW khi ti\u1ebfp x\u00fac v\u1edbi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi.<\/p>\n

M\u00e1y ph\u00e1t nhi\u1ec7t \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi m\u1eb7c \u0111\u01b0\u1ee3c m\u1edbi c\u1ee7a d\u1ef1 ki\u1ebfn \u200b\u200bs\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, nh\u01b0 trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111eo \u0111\u01b0\u1ee3c t\u1ef1 s\u1ea1c. N\u00f3 c\u0169ng \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t x\u00fac t\u00e1c \u0111\u1ec3 c\u1ea3i ti\u1ebfn th\u1ecb tr\u01b0\u1eddng c\u00f4ng ngh\u1ec7 \u0111i\u1ec7n t\u1eed \u0111eo \u0111\u01b0\u1ee3c trong t\u01b0\u01a1ng lai.<\/p>\n

N.K.L-NASATI\u00a0<\/strong>(Theo Science Daily)<\/i><\/p>\n

ngu\u1ed3n\u00a0http:\/\/dantri.com.vn<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

M\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi \u0111\u00e2y c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1eeb UNIST \u0111\u00e3 gi\u1edbi thi\u1ec7u m\u1ed9t h\u1ec7 th\u1ed1ng thu ho\u1ea1ch n\u0103ng l\u01b0\u1ee3ng c\u1ea3i ti\u1ebfn m\u1edbi, c\u00f3 kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t \u0111i\u1ec7n khi g\u1eafn v\u00e0o qu\u1ea7n \u00e1o, c\u1eeda s\u1ed5 v\u00e0 t\u01b0\u1eddng ngo\u00e0i c\u1ee7a t\u00f2a nh\u00e0. Thi\u1ebft b\u1ecb m\u1edbi \u0111\u01b0\u1ee3c d\u1ef1a tr\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 nhi\u1ec7t […]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-7644","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\/7644","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\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=7644"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7644\/revisions"}],"predecessor-version":[{"id":7645,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7644\/revisions\/7645"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=7644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=7644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=7644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}