{"id":30747,"date":"2021-01-26T10:24:00","date_gmt":"2021-01-26T03:24:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=30747"},"modified":"2022-01-04T10:26:19","modified_gmt":"2022-01-04T03:26:19","slug":"ky-thuat-moi-lam-tang-do-cung-kim-loai-gap-4-lan","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/ky-thuat-moi-lam-tang-do-cung-kim-loai-gap-4-lan\/","title":{"rendered":"K\u1ef9 thu\u1eadt m\u1edbi l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng kim lo\u1ea1i g\u1ea5p 4 l\u1ea7n"},"content":{"rendered":"\n

Nh\u00f3m nghi\u00ean c\u1ee9u t\u1eeb \u0110\u1ea1i h\u1ecdc Brown c\u1ee7a M\u1ef9 \u0111\u00e3 th\u00e0nh c\u00f4ng trong vi\u1ec7c t\u1ea1o ra kim lo\u1ea1i si\u00eau c\u1ee9ng b\u1eb1ng c\u00e1ch \u0111\u1eadp c\u00e1c h\u1ea1t nano si\u00eau nh\u1ecf v\u00e0o nhau.<\/p>\n\n\n\n

C\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 l\u00e0m cho m\u1ed9t kh\u1ed1i kim lo\u1ea1i c\u1ee9ng h\u01a1n. C\u00e1c nh\u00e0 luy\u1ec7n kim c\u00f3 th\u1ec3 xo\u1eafn n\u00f3, u\u1ed1n cong, \u00e9p b\u1eb1ng m\u00e1y c\u00e1n ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 \u0111\u1eadp b\u1eb9t b\u1eb1ng b\u00faa. Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 m\u1ed9t \u0111i\u1ec3m chung l\u00e0 ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch ph\u00e1 v\u1ee1 c\u1ea5u tr\u00fac h\u1ea1t c\u1ee7a kim lo\u1ea1i. H\u1ea1t nh\u1ecf h\u01a1n s\u1ebd t\u1ea1o ra kim lo\u1ea1i c\u1ee9ng h\u01a1n.<\/p>\n\n\n\n

Gi\u1edd \u0111\u00e2y, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1eeb \u0110\u1ea1i h\u1ecdc Brown do Ph\u00f3 gi\u00e1o s\u01b0 Ou Chen d\u1eabn \u0111\u1ea7u \u0111\u00e3 t\u00ecm ra m\u1ed9t c\u01a1 ch\u1ebf kh\u00e1c \u0111\u1ec3 t\u1ea1o ra kim lo\u1ea1i si\u00eau c\u1ee9ng. Thay v\u00ec ph\u00e1 v\u1ee1 c\u1ea5u tr\u00fac kh\u1ed1i kim lo\u1ea1i “t\u1eeb tr\u00ean xu\u1ed1ng”, ph\u01b0\u01a1ng ph\u00e1p m\u1edbi t\u00f9y ch\u1ec9nh c\u1ea5u tr\u00fac h\u1ea1t nano c\u1ee7a kim lo\u1ea1i “t\u1eeb d\u01b0\u1edbi l\u00ean”, theo m\u00f4 t\u1ea3 tr\u00ean t\u1ea1p ch\u00ed Chem <\/em>h\u00f4m 22\/1.<\/p>\n\n\n\n

C\u1ee5 th\u1ec3, nh\u00f3m c\u1ee7a Chen \u0111\u00e3 \u0111\u1eadp v\u00e0 n\u00e9n c\u00e1c h\u1ea1t nano kim lo\u1ea1i si\u00eau nh\u1ecf v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t kh\u1ed1i r\u1eafn l\u1edbn h\u01a1n, c\u00f3 th\u1ec3 \u0111\u1ea1t k\u00edch th\u01b0\u1edbc b\u1eb1ng \u0111\u1ed3ng xu. Th\u1eed nghi\u1ec7m c\u01a1 h\u1ecdc cho th\u1ea5y v\u1eadt th\u1ec3 kim lo\u1ea1i \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng k\u1ef9 thu\u1eadt n\u00e0y c\u1ee9ng h\u01a1n g\u1ea5p b\u1ed3n l\u1ea7n so v\u1edbi c\u1ea5u tr\u00fac t\u1ef1 nhi\u00ean c\u1ee7a n\u00f3.<\/p>\n\n\n\n

\"M\u1ed9t
M\u1ed9t “\u0111\u1ed3ng ti\u1ec1n v\u00e0ng” \u0111\u01b0\u1ee3c c\u1ea5u th\u00e0nh t\u1eeb c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng h\u1ea1t nano. \u1ea2nh: \u0110\u1ea1i h\u1ecdc Brown.<\/em><\/figcaption><\/figure><\/div>\n\n\n\n

“C\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m c\u1ee9ng kim lo\u1ea1i ‘t\u1eeb tr\u00ean xu\u1ed1ng’ nh\u01b0 d\u00f9ng b\u00faa \u0111\u1eadp r\u1ea5t kh\u00f3 \u0111\u1ec3 ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t m\u00e0 b\u1ea1n mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c. Nh\u1eefng g\u00ec ch\u00fang t\u00f4i l\u00e0m l\u00e0 t\u1ea1o ra c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng t\u1eeb h\u1ea1t nano b\u1eb1ng c\u00e1ch \u00e9p ch\u00fang. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a kim lo\u1ea1i”, Chen cho bi\u1ebft.<\/p>\n\n\n\n

Ch\u00eca kh\u00f3a c\u1ee7a qu\u00e1 tr\u00ecnh c\u00f2n n\u1eb1m \u1edf c\u00e1ch x\u1eed l\u00fd c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng h\u1ea1t nano v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc. H\u1ea1t kim lo\u1ea1i th\u01b0\u1eddng b\u1ecb bao ph\u1ee7 b\u1edfi c\u00e1c ion hay ph\u00e2n t\u1eed li\u00ean k\u1ebft, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u1ed1i t\u1eed, th\u1ee9 c\u1ea3n tr\u1edf s\u1ef1 h\u00ecnh th\u00e0nh li\u00ean k\u1ebft kim lo\u1ea1i – kim lo\u1ea1i gi\u1eefa c\u00e1c h\u1ea1t. Nh\u00f3m c\u1ee7a Chen \u0111\u00e3 t\u00ecm ra c\u00e1ch lo\u1ea1i b\u1ecf nh\u1eefng ph\u1ed1i t\u1eed \u0111\u00f3, cho ph\u00e9p c\u00e1c h\u1ea1t kim lo\u1ea1i h\u1ee3p nh\u1ea5t v\u1edbi nhau d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n\n\n\n

Trong nghi\u00ean c\u1ee9u n\u00e0y, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 th\u1eed nghi\u1ec7m k\u1ef9 thu\u1eadt m\u1edbi v\u1edbi nhi\u1ec1u kim lo\u1ea1i kh\u00e1c nhau nh\u01b0 v\u00e0ng, b\u1ea1c, \u0111\u1ed3ng, hay paladi, v\u00e0 v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft, n\u00f3 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng v\u1edbi m\u1ecdi lo\u1ea1i kim lo\u1ea1i, k\u1ec3 c\u1ea3 kim lo\u1ea1i v\u00f4 \u0111\u1ecbnh h\u00ecnh.<\/p>\n\n\n\n

Chen hy v\u1ecdng m\u1ed9t ng\u00e0y n\u00e0o \u0111\u00f3 k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t kim lo\u1ea1i si\u00eau c\u1ee9ng c\u1ee7a h\u1ecd c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i cho c\u00e1c s\u1ea3n ph\u1ea9m th\u01b0\u01a1ng m\u1ea1i. C\u00f4ng tr\u00ecnh c\u1ee7a nh\u00f3m hi\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf.<\/p>\n\n\n\n

\u0110o\u00e0n D\u01b0\u01a1ng<\/strong>\u00a0(Theo\u00a0Science Daily<\/em>)<\/p>\n\n\n\n

https:\/\/vnexpress.net\/ky-thuat-moi-lam-tang-do-cung-kim-loai-gap-4-lan-4225927.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Nh\u00f3m nghi\u00ean c\u1ee9u t\u1eeb \u0110\u1ea1i h\u1ecdc Brown c\u1ee7a M\u1ef9 \u0111\u00e3 th\u00e0nh c\u00f4ng trong vi\u1ec7c t\u1ea1o ra kim lo\u1ea1i si\u00eau c\u1ee9ng b\u1eb1ng c\u00e1ch \u0111\u1eadp c\u00e1c h\u1ea1t nano si\u00eau nh\u1ecf v\u00e0o nhau. C\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 l\u00e0m cho m\u1ed9t kh\u1ed1i kim lo\u1ea1i c\u1ee9ng h\u01a1n. C\u00e1c nh\u00e0 luy\u1ec7n kim c\u00f3 th\u1ec3 xo\u1eafn n\u00f3, u\u1ed1n cong, \u00e9p b\u1eb1ng m\u00e1y […]<\/p>\n","protected":false},"author":23,"featured_media":30748,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-30747","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\/30747","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\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=30747"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/30747\/revisions"}],"predecessor-version":[{"id":30749,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/30747\/revisions\/30749"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/30748"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=30747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=30747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=30747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}