{"id":494,"date":"2026-06-24T11:40:32","date_gmt":"2026-06-24T10:40:32","guid":{"rendered":"https:\/\/useful.vn\/?p=494"},"modified":"2026-06-24T11:40:32","modified_gmt":"2026-06-24T10:40:32","slug":"tien-si-9x-noi-ve-co-hoi-phat-trien-vat-lieu-ban-dan-moi-tai-viet-nam","status":"publish","type":"post","link":"https:\/\/useful.vn\/?p=494","title":{"rendered":"Ti\u1ebfn s\u0129 9x n\u00f3i v\u1ec1 c\u01a1 h\u1ed9i ph\u00e1t tri\u1ec3n v\u1eadt li\u1ec7u b\u00e1n d\u1eabn m\u1edbi t\u1ea1i Vi\u1ec7t Nam"},"content":{"rendered":"
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T\u1eebng t\u1ed1t nghi\u1ec7p \u0110\u1ea1i h\u1ecdc Khoa h\u1ecdc T\u1ef1 nhi\u00ean TP HCM, nghi\u00ean c\u1ee9u sinh t\u1ea1i \u0110\u1ea1i h\u1ecdc Th\u00e0nh ph\u1ed1 Hong Kong, r\u1ed3i nghi\u00ean c\u1ee9u sinh sau ti\u1ebfn s\u0129 t\u1ea1i \u0110\u1ea1i h\u1ecdc B\u00e1ch khoa Hong Kong, TS Thi Qu\u1ed1c Huy c\u00f3 nhi\u1ec1u c\u01a1 h\u1ed9i t\u00ecm hi\u1ec3u v\u00e0 nghi\u00ean c\u1ee9u v\u1ec1 v\u1eadt li\u1ec7u 2D. Nh\u1eadn th\u1ea5y \u0111\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t h\u01b0\u1edbng nghi\u00ean c\u1ee9u trong ph\u00f2ng th\u00ed nghi\u1ec7m m\u00e0 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a cu\u1ed9c \u0111ua c\u00f4ng ngh\u1ec7 gi\u1eefa c\u00e1c t\u1eadp \u0111o\u00e0n b\u00e1n d\u1eabn l\u1edbn nh\u01b0 Samsung, TSMC v\u00e0 nhi\u1ec1u trung t\u00e2m nghi\u00ean c\u1ee9u t\u1ea1i M\u1ef9, H\u00e0n Qu\u1ed1c, Trung Qu\u1ed1c, ch\u00e2u \u00c2u, anh nhen nh\u00f3m \u01b0\u1edbc m\u01a1 t\u1ef1 ch\u1ee7 t\u1ea1o ra v\u1eadt li\u1ec7u n\u00e0y.<\/p>\n

Quy\u1ebft \u0111\u1ecbnh tr\u1edf v\u1ec1, n\u0103m 2024, anh nh\u1eadn nhi\u1ec7m v\u1ee5 nghi\u00ean c\u1ee9u vi\u00ean thu\u1ed9c Vi\u1ec7n C\u00f4ng ngh\u1ec7 Ti\u00ean ti\u1ebfn (IAT) – Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam (VAST). Anh b\u1eaft \u0111\u1ea7u x\u00e2y d\u1ef1ng nh\u00f3m nghi\u00ean c\u1ee9u t\u1ea1i IAT v\u1edbi m\u1ee5c ti\u00eau \u0111\u00e0o t\u1ea1o sinh vi\u00ean Vi\u1ec7t Nam trong l\u0129nh v\u1ef1c v\u1eadt li\u1ec7u th\u00e0nh nh\u1eefng nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 \u0111\u1ee7 n\u0103ng l\u1ef1c ph\u00e1t tri\u1ec3n c\u00e1c d\u1ef1 \u00e1n v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn.<\/p>\n

N\u1eafm \u0111\u01b0\u1ee3c k\u1ef9 thu\u1eadt t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi nh\u1eefng g\u00ec c\u1ed9ng \u0111\u1ed3ng v\u1eadt li\u1ec7u 2D tr\u00ean th\u1ebf gi\u1edbi \u0111ang l\u00e0m, “\u0111i\u1ec1u t\u00f4i ngh\u0129 \u0111\u1ebfn l\u00e0 l\u00e0m sao g\u00f3p s\u1ee9c ph\u00e1t tri\u1ec3n l\u0129nh v\u1ef1c trong n\u01b0\u1edbc v\u00e0 gi\u00fap th\u1ebf h\u1ec7 sinh vi\u00ean \u1edf Vi\u1ec7t Nam c\u00f3 c\u01a1 h\u1ed9i ti\u1ebfp c\u1eadn s\u1edbm h\u01a1n”, TS Huy n\u00f3i.<\/p>\n

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TS Thi Qu\u1ed1c Huy. \u1ea2nh: NVCC<\/em><\/p>\n<\/figcaption><\/figure>\n

Trong l\u0129nh v\u1ef1c b\u00e1n d\u1eabn truy\u1ec1n th\u1ed1ng, Vi\u1ec7t Nam \u0111\u01b0\u1ee3c gi\u1edbi chuy\u00ean m\u00f4n nh\u00ecn nh\u1eadn \u0111ang \u0111i sau kh\u00e1 xa so v\u1edbi c\u00e1c qu\u1ed1c gia \u0111\u00e3 c\u00f3 n\u1ec1n c\u00f4ng nghi\u1ec7p chip ph\u00e1t tri\u1ec3n. Tuy nhi\u00ean, ng\u00e0nh b\u00e1n d\u1eabn th\u1ebf gi\u1edbi, ph\u00e1t tri\u1ec3n d\u1ef1a tr\u00ean \u0110\u1ecbnh lu\u1eadt Moore – li\u00ean t\u1ee5c thu nh\u1ecf k\u00edch th\u01b0\u1edbc b\u00f3ng b\u00e1n d\u1eabn \u0111\u1ec3 t\u0103ng hi\u1ec7u n\u0103ng chip – \u0111ang d\u1ea7n ch\u1ea1m \u0111\u1ebfn gi\u1edbi h\u1ea1n v\u1eadt l\u00fd. \u0110\u1ea7u n\u0103m nay, “g\u00e3 kh\u1ed5ng l\u1ed3” TSMC b\u1eaft \u0111\u1ea7u s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t chip 2 nm. D\u00f9 chi ph\u00ed cho m\u1ed9t t\u1ea5m wafer t\u0103ng v\u1ecdt kho\u1ea3ng 50% so v\u1edbi th\u1ebf h\u1ec7 3 nm, hi\u1ec7u n\u0103ng linh ki\u1ec7n ch\u1ec9 nh\u00edch th\u00eam 10-15%.<\/p>\n

V\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u1ed1i \u0111\u00e3 \u0111\u1ecbnh h\u00ecnh nh\u01b0 silicon, khi k\u00edch th\u01b0\u1edbc b\u00f3ng b\u00e1n d\u1eabn c\u00e0ng nh\u1ecf, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u00e0ng suy gi\u1ea3m. M\u1eb7t kh\u00e1c, m\u1eadt \u0111\u1ed9 b\u00f3ng b\u00e1n d\u1eabn t\u0103ng l\u00ean c\u0169ng l\u00e0m gia t\u0103ng t\u00e1n x\u1ea1 electron, khi\u1ebfn linh ki\u1ec7n n\u00f3ng h\u01a1n v\u00e0 ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng h\u01a1n. “\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng n\u00fat th\u1eaft l\u1edbn nh\u1ea5t c\u1ee7a ng\u00e0nh b\u00e1n d\u1eabn”, TS Huy n\u00f3i, th\u00eam r\u1eb1ng c\u00e1c doanh nghi\u1ec7p trong l\u0129nh v\u1ef1c n\u00e0y \u0111ang ng\u00e0y c\u00e0ng \u0111\u1ebfn g\u1ea7n v\u1edbi gi\u1edbi h\u1ea1n c\u1ee7a thi\u1ebft k\u1ebf ‘nh\u1ecf g\u1ecdn’ d\u1ef1a tr\u00ean v\u1eadt li\u1ec7u kh\u1ed1i. “Mu\u1ed1n ph\u00e1t tri\u1ec3n b\u1eaft bu\u1ed9c ph\u1ea3i thay \u0111\u1ed5i g\u1ed1c r\u1ec5 l\u00e0 v\u1eadt li\u1ec7u, \u0111\u00e2y c\u0169ng l\u00e0 l\u00fd do th\u1ebf gi\u1edbi \u0111ang t\u00ecm \u0111\u1ebfn v\u1eadt li\u1ec7u 2D”.<\/p>\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a v\u1eadt li\u1ec7u 2D \u0111\u01b0\u1ee3c th\u1ebf gi\u1edbi ghi nh\u1eadn r\u1ea5t s\u1edbm. N\u0103m 2010, hai nh\u00e0 khoa h\u1ecdc Andre Geim v\u00e0 Konstantin Novoselov nh\u1eadn gi\u1ea3i Nobel V\u1eadt l\u00fd cho c\u00f4ng tr\u00ecnh v\u1ec1 graphene, ch\u1ec9 6 n\u0103m sau khi v\u1eadt li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c t\u00e1ch ra th\u00e0nh c\u00f4ng t\u1eeb than ch\u00ec. \u0110\u00e2y l\u00e0 kho\u1ea3ng th\u1eddi gian r\u1ea5t ng\u1eafn \u0111\u1ed1i v\u1edbi m\u1ed9t gi\u1ea3i Nobel khoa h\u1ecdc c\u01a1 b\u1ea3n, cho th\u1ea5y c\u1ed9ng \u0111\u1ed3ng khoa h\u1ecdc \u0111\u00e3 s\u1edbm nh\u00ecn th\u1ea5y ti\u1ec1m n\u0103ng c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n

\u0110\u1ebfn nay, ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p v\u00e0 thao t\u00e1c v\u1edbi v\u1eadt li\u1ec7u n\u00e0y \u0111\u00e3 kh\u00e1c so v\u1edbi l\u1ea7n \u0111\u1ea7u \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n c\u00e1ch \u0111\u00e2y h\u01a1n 20 n\u0103m. “Ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 t\u00e1ch graphene, v\u1ed1n l\u00e0 c\u00e1c nguy\u00ean t\u1eed carbon x\u1ebfp tr\u00ean m\u1ed9t m\u1eb7t ph\u1eb3ng, t\u1eeb than ch\u00ec. Tuy nhi\u00ean, nh\u01b0 v\u1eady ch\u1ec9 thu \u0111\u01b0\u1ee3c nh\u1eefng mi\u1ebfng v\u1eadt li\u1ec7u r\u1ea5t nh\u1ecf, d\u01b0\u1edbi d\u1ea1ng b\u1ed9t. C\u00f2n ph\u01b0\u01a1ng ph\u00e1p ng\u00e0y nay t\u1ed5ng h\u1ee3p b\u1eb1ng l\u1eafng \u0111\u1ecdng h\u01a1i h\u00f3a h\u1ecdc, hay CVD, t\u1ea1o \u0111\u01b0\u1ee3c m\u00e0ng graphene \u0111\u01a1n l\u1edbp tr\u00ean m\u1ed9t b\u1ec1 m\u1eb7t”, TS Huy cho bi\u1ebft.<\/p>\n

CVD \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn \u0111\u1ec3 ph\u1ee7 c\u00e1c l\u1edbp v\u1eadt li\u1ec7u m\u1ecfng tr\u00ean b\u1ec1 m\u1eb7t chip v\u00e0 c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 nh\u00f3m trong n\u01b0\u1edbc tri\u1ec3n khai \u0111\u1ec3 ch\u1ebf t\u1ea1o graphene. Tuy nhi\u00ean, theo TS Huy, kh\u00e1c bi\u1ec7t gi\u1eefa n\u0103ng l\u1ef1c c\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u hai chi\u1ec1u c\u1ee7a Vi\u1ec7t Nam v\u00e0 th\u1ebf gi\u1edbi hi\u1ec7n n\u1eb1m \u1edf m\u1ee9c \u0111\u1ed9 ki\u1ec3m so\u00e1t. “T\u1ea1o ra graphene kh\u00f4ng qu\u00e1 kh\u00f3. Nh\u01b0ng t\u1ea1o ra v\u1eadt li\u1ec7u hai chi\u1ec1u ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u1ed3ng nh\u1ea5t, \u00edt khuy\u1ebft t\u1eadt v\u00e0 c\u00f3 th\u1ec3 d\u00f9ng cho linh ki\u1ec7n l\u1ea1i l\u00e0 m\u1ed9t c\u00e2u chuy\u1ec7n kh\u00e1c”, anh n\u00f3i.<\/p>\n

H\u00ecnh dung m\u1ed9t v\u1eadt li\u1ec7u m\u1ecfng \u0111\u1ebfn m\u1ee9c ch\u1ec9 1 gram graphene \u0111\u00e3 c\u00f3 di\u1ec7n t\u00edch b\u1eb1ng s\u00e2n b\u00f3ng \u0111\u00e1, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 “c\u1ea7m n\u1eafm” \u0111\u01b0\u1ee3c v\u1eadt li\u1ec7u si\u00eau m\u1ecfng nh\u01b0 v\u1eady, hay \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t \u1edf c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed?. \u0110\u00e2y c\u0169ng l\u00e0 b\u00e0i to\u00e1n \u0111em l\u1ea1i cho TS Huy c\u00f9ng nh\u00f3m nghi\u00ean c\u1ee9u c\u00e1c c\u00f4ng b\u1ed1 quan tr\u1ecdng tr\u00ean Nano Letters, Advanced Materials<\/em> n\u0103m 2023 v\u00e0 Nature Materials <\/em>n\u0103m 2025.<\/p>\n

C\u01a1 h\u1ed9i cho Vi\u1ec7t Nam<\/strong><\/p>\n

C\u00e1c v\u1eadt li\u1ec7u hai chi\u1ec1u nh\u01b0 graphene, carbon nitride v\u00e0 transition metal dichalcogenides, th\u01b0\u1eddng g\u1ecdi l\u00e0 TMDs, c\u00f3 \u0111\u1ed9 d\u00e0y \u1edf c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed, kho\u1ea3ng v\u00e0i ph\u1ea7n m\u01b0\u1eddi nanomet, m\u1ecfng h\u01a1n \u0111\u01b0\u1eddng k\u00ednh s\u1ee3i t\u00f3c ng\u01b0\u1eddi kho\u1ea3ng m\u1ed9t tri\u1ec7u l\u1ea7n. Nh\u1edd c\u1ea5u tr\u00fac si\u00eau m\u1ecfng v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1, \u0111i\u1ec7n, quang h\u1ecdc \u0111\u1eb7c bi\u1ec7t, ch\u00fang \u0111\u01b0\u1ee3c xem l\u00e0 \u1ee9ng vi\u00ean ti\u1ec1m n\u0103ng cho c\u1ea3m bi\u1ebfn si\u00eau nh\u1ea1y, transistor th\u1ebf h\u1ec7 m\u1edbi, linh ki\u1ec7n quang \u0111i\u1ec7n t\u1eed, thi\u1ebft b\u1ecb n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u00e1c h\u1ec7 pin hi\u1ec7u n\u0103ng cao. Ch\u1eb3ng h\u1ea1n, graphene c\u00f3 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n v\u00e0 d\u1eabn nhi\u1ec7t r\u1ea5t cao, h\u1ee9a h\u1eb9n gi\u00fap gi\u1ea3m \u0111i\u1ec7n tr\u1edf, t\u1ea3n nhi\u1ec7t t\u1ed1t h\u01a1n v\u00e0 m\u1edf \u0111\u01b0\u1eddng cho c\u00e1c c\u1ea5u tr\u00fac linh ki\u1ec7n m\u1ecfng nh\u1eb9 h\u01a1n.<\/p>\n

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Nghi\u00ean c\u1ee9u d\u00f9ng n\u01b0\u1edbc \u0111\u00f3ng b\u0103ng cho c\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o linh ki\u1ec7n si\u00eau s\u1ea1ch d\u1ef1a tr\u00ean v\u1eadt li\u1ec7u b\u00e1n d\u1eabn 2D c\u1ee7a TS Huy v\u00e0 nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u0103ng tr\u00ean t\u1ea1p ch\u00ed Advanced Materials (Q1, IF: >20). \u1ea2nh: NVCC<\/em><\/p>\n<\/figcaption><\/figure>\n

Th\u00f4ng th\u01b0\u1eddng, \u0111\u1ec3 chuy\u1ec3n m\u1ed9t l\u1edbp graphene si\u00eau m\u1ecfng t\u1eeb b\u1ec1 m\u1eb7t t\u0103ng tr\u01b0\u1edfng sang \u0111\u1ebf kh\u00e1c, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ph\u1ee7 l\u00ean graphene m\u1ed9t l\u1edbp polymer \u0111\u00f3ng vai tr\u00f2 l\u00e0 gi\u00e1 \u0111\u1ee1. Sau khi chuy\u1ec3n xong, l\u1edbp polymer \u0111\u01b0\u1ee3c r\u1eeda b\u1eb1ng dung m\u00f4i ho\u1eb7c h\u00f3a ch\u1ea5t. Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng \u0111\u1ec3 l\u1ea1i t\u1ea1p ch\u1ea5t tr\u00ean b\u1ec1 m\u1eb7t, l\u00e0m suy gi\u1ea3m t\u00ednh ch\u1ea5t v\u1ed1n r\u1ea5t nh\u1ea1y c\u1ee7a v\u1eadt li\u1ec7u hai chi\u1ec1u.<\/p>\n

“T\u1eeb mong mu\u1ed1n t\u00ecm m\u1ed9t gi\u1ea3i ph\u00e1p s\u1ea1ch h\u01a1n, \u00edt l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn v\u1eadt li\u1ec7u h\u01a1n, ch\u00fang t\u00f4i th\u1eed m\u1ed9t \u00fd t\u01b0\u1edfng r\u1ea5t \u0111\u01a1n gi\u1ea3n: d\u00f9ng n\u01b0\u1edbc \u0111\u00f3ng b\u0103ng \u0111\u1ec3 gi\u1eef l\u1edbp v\u1eadt li\u1ec7u, sau \u0111\u00f3 l\u00e0m kh\u00f4 \u0111\u1ec3 l\u1edbp b\u0103ng bi\u1ebfn m\u1ea5t sau khi ho\u00e0n t\u1ea5t thao t\u00e1c”, TS Huy k\u1ec3 v\u1ec1 c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 n\u0103m 2023. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y sau \u0111\u00f3 \u0111\u0103ng k\u00fd th\u00e0nh c\u00f4ng b\u1eb1ng s\u00e1ng ch\u1ebf t\u1ea1i M\u1ef9 v\u00e0 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 m\u1ed9t trong nh\u1eefng s\u00e1ng ch\u1ebf xu\u1ea5t s\u1eafc t\u1ea1i Tri\u1ec3n l\u00e3m S\u00e1ng t\u1ea1o v\u00e0 Ph\u00e1t minh khu v\u1ef1c ch\u00e2u \u00c1 n\u0103m 2023 v\u00e0 Tri\u1ec3n l\u00e3m Ph\u00e1t minh Qu\u1ed1c t\u1ebf Geneva t\u1ea1i Th\u1ee5y S\u0129 n\u0103m 2024.<\/p>\n

Anh cho bi\u1ebft, gi\u1ea3i ph\u00e1p khi \u0111\u00e3 ho\u00e0n thi\u1ec7n c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n, nh\u01b0ng th\u1ef1c t\u1ebf, \u0111\u1ec3 th\u1eed nghi\u1ec7m th\u00e0nh c\u00f4ng \u0111\u00f2i h\u1ecfi h\u00e0ng ngh\u00ecn l\u1ea7n l\u1eb7p \u0111i l\u1eb7p l\u1ea1i trong nhi\u1ec1u th\u00e1ng. “Kh\u00f4ng c\u00f3 l\u1ea7n th\u1eed th\u1ea5t b\u1ea1i n\u00e0o \u0111\u00e1ng nh\u1edb nh\u1ea5t c\u1ea3, v\u00ec 99% l\u1ea7n th\u1eed l\u00e0 th\u1ea5t b\u1ea1i, nh\u1eefng k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 c\u00f4ng b\u1ed1 \u0111\u01b0\u1ee3c ch\u1ec9 l\u00e0 1% c\u00f2n l\u1ea1i. \u0110\u00e2y c\u0169ng l\u00e0 b\u00e0i h\u1ecdc \u0111\u1ea7u ti\u00ean m\u00e0 gi\u00e1o s\u01b0 h\u01b0\u1edbng d\u1eabn n\u00f3i v\u1edbi t\u00f4i khi b\u1eaft \u0111\u1ea7u theo \u0111u\u1ed5i l\u0129nh v\u1ef1c n\u00e0y”, anh chia s\u1ebb.<\/p>\n

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Graphene l\u00e0 v\u1eadt li\u1ec7u si\u00eau m\u1ecfng \u1edf c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1ed9t b\u1ec1 m\u1eb7t polymer. \u1ea2nh: Nature<\/em><\/p>\n<\/figcaption><\/figure>\n

C\u00e2u chuy\u1ec7n t\u01b0\u01a1ng t\u1ef1 v\u1edbi ph\u00e1t hi\u1ec7n \u0111\u0103ng tr\u00ean Nature Materials <\/em>n\u0103m 2025, m\u1ed9t trong nh\u1eefng t\u1ea1p ch\u00ed h\u00e0ng \u0111\u1ea7u v\u1ec1 khoa h\u1ecdc c\u01a1 b\u1ea3n. Trong b\u00e0i b\u00e1o n\u00e0y, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 t\u00ecm ra c\u01a1 ch\u1ebf c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u1ee7a TMDs, lo\u1ea1i v\u1eadt li\u1ec7u 2D c\u00f3 th\u1ec3 b\u1eadt t\u1eaft d\u00f2ng \u0111i\u1ec7n t\u1ed1t h\u01a1n graphene v\u00e0 \u0111\u01b0\u1ee3c xem l\u00e0 \u1ee9ng vi\u00ean ti\u1ec1m n\u0103ng cho transistor si\u00eau nh\u1ecf v\u00e0 th\u1ebf h\u1ec7 chip sau silicon.<\/p>\n

B\u1eb1ng c\u00e1ch x\u1ebfp ch\u1ed3ng hai l\u1edbp v\u1eadt li\u1ec7u \u1edf g\u00f3c xoay 30 \u0111\u1ed9, nh\u00f3m t\u1ea1o ra m\u1ed9t c\u1ea5u tr\u00fac c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng lan truy\u1ec1n v\u1ebft n\u1ee9t t\u1ed1t h\u01a1n. K\u1ebft qu\u1ea3, \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh m\u1ed9t c\u00e1ch “\u0111\u01a1n gi\u1ea3n” b\u1eb1ng c\u00e1ch th\u1eed \u0111\u00e2m qua hai l\u1edbp v\u1eadt li\u1ec7u, l\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u t\u0103ng kho\u1ea3ng hai l\u1ea7n trong khi v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng v\u1ed1n c\u00f3 c\u1ee7a v\u1eadt li\u1ec7u hai chi\u1ec1u.<\/p>\n

Theo TS Huy, c\u00e1c th\u1ebf h\u1ec7 v\u1eadt li\u1ec7u m\u1edbi \u0111ang \u1edf giai \u0111o\u1ea1n h\u00ecnh th\u00e0nh, n\u00ean Vi\u1ec7t Nam v\u1eabn c\u00f3 c\u01a1 h\u1ed9i tham gia t\u1eeb s\u1edbm. \u0110\u1ec3 ph\u00e1t tri\u1ec3n v\u1eadt li\u1ec7u 2D, Vi\u1ec7t Nam c\u1ea7n x\u00e2y d\u1ef1ng c\u00e1c nh\u00f3m nghi\u00ean c\u1ee9u li\u00ean ng\u00e0nh, k\u1ebft n\u1ed1i gi\u1eefa ch\u1ebf t\u1ea1o v\u1eadt li\u1ec7u, ph\u00e2n t\u00edch c\u1ea5u tr\u00fac, \u0111o \u0111\u1ea1c t\u00ednh ch\u1ea5t v\u00e0 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng.<\/p>\n

T\u1ea1i IAT, anh cho bi\u1ebft nh\u00f3m \u0111\u00e3 ho\u00e0n thi\u1ec7n m\u1ed9t h\u1ec7 th\u1ed1ng CVD ph\u1ee5c v\u1ee5 th\u1eed nghi\u1ec7m ch\u1ebf t\u1ea1o graphene. Hi\u1ec7n gi\u00e1 m\u1ed9t t\u1ea5m graphene th\u01b0\u01a1ng m\u1ea1i k\u00edch th\u01b0\u1edbc kho\u1ea3ng 2,5 cm c\u00f3 th\u1ec3 l\u00ean t\u1edbi h\u01a1n 200 USD. “B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean, ch\u00fang t\u00f4i mu\u1ed1n \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh ch\u1ebf t\u1ea1o v\u00e0 gi\u1ea3m gi\u00e1 th\u00e0nh b\u1eb1ng c\u00e1ch s\u1ea3n xu\u1ea5t trong n\u01b0\u1edbc. Sau \u0111\u00f3 t\u00ecm ki\u1ebfm h\u1ee3p t\u00e1c v\u1edbi c\u00e1c nh\u00f3m nghi\u00ean c\u1ee9u c\u00f3 chuy\u00ean m\u00f4n v\u1ec1 \u1ee9ng d\u1ee5ng v\u1eadt li\u1ec7u, c\u0169ng nh\u01b0 c\u00e1c doanh nghi\u1ec7p v\u00e0 t\u1eadp \u0111o\u00e0n c\u00f3 \u0111\u1ecbnh h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u”, anh n\u00f3i.<\/p>\n

Tuy nhi\u00ean, m\u1ed9t h\u1ea1n ch\u1ebf t\u1ea1i Vi\u1ec7t Nam, khi \u0111\u00e3 t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c m\u1ed9t l\u1edbp m\u00e0ng v\u1eadt li\u1ec7u 2D \u1edf k\u00edch th\u01b0\u1edbc nguy\u00ean t\u1eed, l\u00e0 ch\u01b0a c\u00f3 \u0111\u1ee7 thi\u1ebft b\u1ecb \u0111\u1ec3 \u0111\u00e1nh gi\u00e1, kh\u1ea3o s\u00e1t v\u1eadt li\u1ec7u. D\u00f9 c\u01a1 s\u1edf v\u1eadt ch\u1ea5t ban \u0111\u1ea7u ch\u01b0a th\u1ec3 so s\u00e1nh v\u1edbi nh\u1eefng ph\u00f2ng th\u00ed nghi\u1ec7m qu\u1ed1c t\u1ebf m\u00e0 anh t\u1eebng l\u00e0m vi\u1ec7c, TS Huy nh\u00ecn th\u1ea5y m\u1ed9t c\u01a1 h\u1ed9i d\u00e0i h\u1ea1n. “V\u1edbi th\u1ebf h\u1ec7 chip sau silicon, ch\u00fang ta c\u00f3 c\u01a1 h\u1ed9i l\u00e0m ch\u1ee7 m\u1ed9t kh\u00e2u r\u1ea5t quan tr\u1ecdng \u1edf th\u01b0\u1ee3ng ngu\u1ed3n, \u0111\u00f3 l\u00e0 v\u1eadt li\u1ec7u. V\u1ec1 v\u1eadt li\u1ec7u m\u1edbi, ch\u00fang ta kh\u00f4ng \u0111i sau th\u1ebf gi\u1edbi qu\u00e1 nhi\u1ec1u v\u00e0 n\u1ebfu \u0111\u01b0\u1ee3c \u0111\u1ea7u t\u01b0 \u0111\u00fang h\u01b0\u1edbng, vi\u1ec7c ph\u00e1t tri\u1ec3n n\u0103ng l\u1ef1c n\u00e0y ho\u00e0n to\u00e0n n\u1eb1m trong kh\u1ea3 n\u0103ng c\u1ee7a Vi\u1ec7t Nam”, anh n\u00f3i.<\/p>\n

Nam Nguy\u1ec5n<\/strong><\/p>\n

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      T\u1eebng t\u1ed1t nghi\u1ec7p \u0110\u1ea1i h\u1ecdc Khoa h\u1ecdc T\u1ef1 nhi\u00ean TP HCM, nghi\u00ean c\u1ee9u sinh t\u1ea1i \u0110\u1ea1i h\u1ecdc Th\u00e0nh ph\u1ed1 Hong Kong, r\u1ed3i nghi\u00ean c\u1ee9u sinh sau ti\u1ebfn s\u0129 t\u1ea1i \u0110\u1ea1i h\u1ecdc B\u00e1ch khoa Hong Kong, TS Thi Qu\u1ed1c Huy c\u00f3 nhi\u1ec1u c\u01a1 h\u1ed9i t\u00ecm hi\u1ec3u v\u00e0 nghi\u00ean c\u1ee9u v\u1ec1 v\u1eadt li\u1ec7u 2D. Nh\u1eadn th\u1ea5y \u0111\u00e2y<\/p>\n","protected":false},"author":1,"featured_media":495,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-494","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe"],"_links":{"self":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/494","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=494"}],"version-history":[{"count":0,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/494\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/media\/495"}],"wp:attachment":[{"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}