STRONGLY POLARIZED MOLECULE, AND SINGLE MOLECULE FIELD EFFECT TRANSISTOR PREPARED THEREFROM
申请人:Peking University
公开号:US20210024560A1
公开(公告)日:2021-01-28
The application relates to a strongly-polarized molecule of the following general formula: wherein A denotes a group having a polarizability greater than 2 C·m
2
/V; R
1
and R
2
are respectively hydrogen, halogen, a hydroxyl group, an amino group, a cyano group, a nitro group, a carboxyl group, a C
1-12
alkyl group, a C
1-12
alkoxy group, a halogenated C
1-12
alkyl group, a halogenated C
1-12
alkoxy group, a hydroxyl C
1-12
alkyl group, a hydroxyl C
1-12
alkoxy group, or a C
1-12
alkyl amino group; x
1
and x
2
denote 0 or an integer no less than 1, respectively; and y
1
and y
2
denote 0 or an integer no less than 1, respectively. The application further relates to a strongly-polarized molecule-graphene molecule heterojunction, and a single molecule field effect transistor comprising a substrate, a gate, a dielectric layer and the strongly-polarized molecule-graphene molecule heterojunction; and the dielectric layer is located between the gate and the strongly-polarized molecule-graphene molecule heterojuction. The single molecule field effect transistor provided by the application can realize highly-efficient gate modulation.
该申请涉及以下通式的强极化分子:其中A表示具有极化率大于2 C·m2/V的基团;R1和R2分别表示氢、卤素、羟基、氨基、氰基、硝基、羧基、C1-12烷基、C1-12烷氧基、卤代C1-12烷基、卤代C1-12烷氧基、羟基C1-12烷基、羟基C1-12烷氧基或C1-12烷基氨基;x1和x2分别表示0或不小于1的整数;y1和y2分别表示0或不小于1的整数。该申请还涉及强极化分子-石墨烯分子异质结和单分子场效应晶体管,包括基底、栅、介电层和强极化分子-石墨烯分子异质结;介电层位于栅和强极化分子-石墨烯分子异质结之间。该申请提供的单分子场效应晶体管可以实现高效的栅调制。