{"id":134767,"date":"2024-10-28T10:50:42","date_gmt":"2024-10-28T02:50:42","guid":{"rendered":"https:\/\/www.alpapowder.com\/134767\/"},"modified":"2024-10-28T10:50:43","modified_gmt":"2024-10-28T02:50:43","slug":"ung-dung-cua-silicon-carbide-trong-nganh-cong-nghiep-quang-dien","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/134767\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a Silicon Carbide trong ng\u00e0nh c\u00f4ng nghi\u1ec7p quang \u0111i\u1ec7n"},"content":{"rendered":"

\"\"<\/p>\n

V\u1edbi nhu c\u1ea7u n\u0103ng l\u01b0\u1ee3ng to\u00e0n c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng, n\u0103ng l\u01b0\u1ee3ng h\u00f3a th\u1ea1ch, ch\u1ee7 y\u1ebfu l\u00e0 d\u1ea7u m\u1ecf, than \u0111\u00e1 v\u00e0 kh\u00ed \u0111\u1ed1t t\u1ef1 nhi\u00ean, cu\u1ed1i c\u00f9ng s\u1ebd c\u1ea1n ki\u1ec7t. Ngo\u00e0i ra, n\u0103ng l\u01b0\u1ee3ng h\u00f3a th\u1ea1ch c\u0169ng s\u1ebd g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng nghi\u00eam tr\u1ecdng trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. \u0110\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 tr\u00ean, n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o nh\u01b0 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, n\u0103ng l\u01b0\u1ee3ng gi\u00f3, th\u1ee7y \u0111i\u1ec7n v\u00e0 n\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n \u0111\u00e3 thu h\u00fat s\u1ef1 ch\u00fa \u00fd c\u1ee7a m\u1ecdi ng\u01b0\u1eddi.<\/p>\n

C\u00e1ch ch\u00ednh \u0111\u1ec3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi l\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n quang \u0111i\u1ec7n. So v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n kh\u00e1c, s\u1ea3n xu\u1ea5t \u0111i\u1ec7n quang \u0111i\u1ec7n c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 xanh v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, c\u00f3 \u0111\u1ee7 ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111i\u1ec7n, d\u1ec5 l\u1eafp \u0111\u1eb7t v\u00e0 v\u1eadn chuy\u1ec3n thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t \u0111i\u1ec7n. C\u00f3 th\u1ec3 th\u1ea5y tr\u01b0\u1edbc r\u1eb1ng vi\u1ec7c th\u00fac \u0111\u1ea9y s\u1ea3n xu\u1ea5t \u0111i\u1ec7n quang \u0111i\u1ec7n tr\u00ean di\u1ec7n r\u1ed9ng s\u1ebd c\u00f3 t\u00e1c \u0111\u1ed9ng t\u00edch c\u1ef1c \u0111\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1c cu\u1ed9c kh\u1ee7ng ho\u1ea3ng n\u0103ng l\u01b0\u1ee3ng v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/p>\n

Theo nguy\u00ean l\u00fd s\u1ea3n xu\u1ea5t \u0111i\u1ec7n quang \u0111i\u1ec7n, khi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi chi\u1ebfu v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n quang \u0111i\u1ec7n (nh\u01b0 t\u1ea5m pin m\u1eb7t tr\u1eddi), c\u00e1c photon s\u1ebd t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c electron trong v\u1eadt li\u1ec7u quang \u0111i\u1ec7n, khi\u1ebfn c\u00e1c electron tho\u00e1t ra kh\u1ecfi v\u1eadt li\u1ec7u v\u00e0 t\u1ea1o th\u00e0nh d\u00f2ng \u0111i\u1ec7n quang, \u0111\u00e2y l\u00e0 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u. V\u00ec h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n b\u1eb1ng AC n\u00ean d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u do m\u1ea3ng quang \u0111i\u1ec7n t\u1ea1o ra kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp v\u00e0 c\u1ea7n ph\u1ea3i chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u00e0nh d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch ph\u00e1t \u0111i\u1ec7n l\u01b0\u1edbi quang \u0111i\u1ec7n.<\/p>\n

Thi\u1ebft b\u1ecb ch\u00ednh \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch tr\u00ean l\u00e0 b\u1ed9 bi\u1ebfn t\u1ea7n, do \u0111\u00f3 b\u1ed9 bi\u1ebfn t\u1ea7n l\u01b0\u1edbi quang \u0111i\u1ec7n l\u00e0 c\u1ed1t l\u00f5i c\u1ee7a c\u00f4ng ngh\u1ec7 ph\u00e1t \u0111i\u1ec7n quang \u0111i\u1ec7n v\u00e0 hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a b\u1ed9 bi\u1ebfn t\u1ea7n ph\u1ea7n l\u1edbn quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/p>\n

Thi\u1ebft b\u1ecb \u0111i\u1ec7n l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a b\u1ed9 bi\u1ebfn t\u1ea7n l\u01b0\u1edbi quang \u0111i\u1ec7n. Ng\u00e0y nay, nhi\u1ec1u thi\u1ebft b\u1ecb b\u00e1n d\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh \u0111i\u1ec7n ch\u1ee7 y\u1ebfu d\u1ef1a tr\u00ean v\u1eadt li\u1ec7u silicon<\/a> (Si) v\u00e0 \u0111\u00e3 ph\u00e1t tri\u1ec3n kh\u00e1 ho\u00e0n thi\u1ec7n. Si l\u00e0 v\u1eadt li\u1ec7u b\u00e1n d\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u lo\u1ea1i \u1ed1ng \u0111i\u1ec7n t\u1eed v\u00e0 m\u1ea1ch t\u00edch h\u1ee3p. Khi vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn \u0111i\u1ec7n ng\u00e0y c\u00e0ng \u0111a d\u1ea1ng, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb silicon<\/a> b\u1ecb h\u1ea1n ch\u1ebf trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u00f3 y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c kh\u1eafc nghi\u1ec7t. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ecdi ng\u01b0\u1eddi ph\u1ea3i ph\u00e1t tri\u1ec3n c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn c\u00f3 hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n. Do \u0111\u00f3, c\u00e1c thi\u1ebft b\u1ecb b\u00e1n d\u1eabn c\u00f3 kho\u1ea3ng c\u00e1ch b\u0103ng th\u00f4ng r\u1ed9ng nh\u01b0 silicon<\/a> carbide (SiC) \u0111\u00e3 ra \u0111\u1eddi.<\/p>\n

So v\u1edbi c\u00e1c thi\u1ebft b\u1ecb d\u1ef1a tr\u00ean silicon<\/a>, c\u00e1c thi\u1ebft b\u1ecb silicon carbide th\u1ec3 hi\u1ec7n m\u1ed9t lo\u1ea1t c\u00e1c \u0111\u1eb7c t\u00ednh tuy\u1ec7t v\u1eddi \u0111\u00e1ng ch\u00fa \u00fd:<\/p>\n

(1) C\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng \u0111\u00e1nh th\u1ee7ng cao: C\u01b0\u1eddng \u0111\u1ed9 \u0111i\u1ec7n tr\u01b0\u1eddng \u0111\u00e1nh th\u1ee7ng c\u1ee7a SiC g\u1ea5p kho\u1ea3ng 10 l\u1ea7n so v\u1edbi Si, gi\u00fap c\u00e1c thi\u1ebft b\u1ecb SiC c\u00f3 \u0111i\u1ec7n \u00e1p ch\u1eb7n cao h\u01a1n v\u00e0 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n \u0111i\u1ec7n tr\u01b0\u1eddng cao h\u01a1n, gi\u00fap c\u1ea3i thi\u1ec7n m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t.<\/p>\n

(2) Kho\u1ea3ng c\u00e1ch b\u0103ng th\u00f4ng r\u1ed9ng: SiC c\u00f3 n\u1ed3ng \u0111\u1ed9 h\u1ea1t mang n\u1ed9i t\u1ea1i th\u1ea5p h\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, \u0111i\u1ec1u n\u00e0y s\u1ebd d\u1eabn \u0111\u1ebfn \u0111i\u1ec7n tr\u1edf b\u1eadt th\u1ea5p h\u01a1n \u1edf tr\u1ea1ng th\u00e1i b\u1eadt.<\/p>\n

(3) T\u1ed1c \u0111\u1ed9 tr\u00f4i b\u00e3o h\u00f2a cao: SiC c\u00f3 t\u1ed1c \u0111\u1ed9 tr\u00f4i b\u00e3o h\u00f2a electron cao h\u01a1n, gi\u00fap n\u00f3 \u0111\u1ea1t tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh nhanh h\u01a1n trong qu\u00e1 tr\u00ecnh chuy\u1ec3n m\u1ea1ch v\u00e0 gi\u1ea3m t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh chuy\u1ec3n m\u1ea1ch.<\/p>\n

(4) \u0110\u1ed9 d\u1eabn nhi\u1ec7t cao: SiC c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao h\u01a1n, \u0111i\u1ec1u n\u00e0y s\u1ebd c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t, \u0111\u01a1n gi\u1ea3n h\u00f3a h\u01a1n n\u1eefa thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng t\u1ea3n nhi\u1ec7t v\u00e0 k\u00e9o d\u00e0i hi\u1ec7u qu\u1ea3 tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n

N\u00f3i t\u00f3m l\u1ea1i, c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n silicon<\/a> carbide cung c\u1ea5p kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i ng\u01b0\u1ee3c th\u1ea5p v\u00e0 \u0111\u1eb7c t\u00ednh chuy\u1ec3n m\u1ea1ch nhanh c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c “hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i cao” v\u00e0 “m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p” c\u1ee7a b\u1ed9 bi\u1ebfn t\u1ea7n quang \u0111i\u1ec7n, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 c\u1ea3i thi\u1ec7n m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t c\u1ee7a b\u1ed9 bi\u1ebfn t\u1ea7n quang \u0111i\u1ec7n v\u00e0 gi\u1ea3m th\u00eam chi ph\u00ed cho m\u1ed7i kilowatt-gi\u1edd.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00f3 th\u1ec3 th\u1ea5y tr\u01b0\u1edbc r\u1eb1ng vi\u1ec7c th\u00fac \u0111\u1ea9y s\u1ea3n xu\u1ea5t \u0111i\u1ec7n quang \u0111i\u1ec7n tr\u00ean di\u1ec7n r\u1ed9ng s\u1ebd c\u00f3 t\u00e1c \u0111\u1ed9ng t\u00edch c\u1ef1c \u0111\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd kh\u1ee7ng ho\u1ea3ng n\u0103ng l\u01b0\u1ee3ng v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"author":7,"featured_media":134732,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-134767","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/134767"}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=134767"}],"version-history":[{"count":1,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/134767\/revisions"}],"predecessor-version":[{"id":134768,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/134767\/revisions\/134768"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/134732"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=134767"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=134767"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=134767"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}