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公开(公告)号：US20210147238A1
公开(公告)日：2021-05-20
申请号：US17096104
申请日：2020-11-12
Inventor： Steven J. Koester , Xue Zhen , Philippe Pierre Joseph Buhlmann , Qun Su , Justin Theodore Nelson , Gregory J. Sherwood
Abstract: Embodiments herein relate to methods and systems for applying a transfer material layer to graphene during a graphene fabrication process. In an embodiment, a method of producing a graphene sensor element is included. The method includes forming a graphene layer on a growth substrate and applying a fluoropolymer coating layer over the graphene layer. The method includes removing the growth substrate and transferring the graphene and fluoropolymer coating layers onto a transfer substrate, where the graphene layer is disposed on the transfer substrate and the fluoropolymer layer is disposed on the graphene layer. The method also includes removing the fluoropolymer coating layer. Other embodiments are also included herein.
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公开(公告)号：US20190257825A1
公开(公告)日：2019-08-22
申请号：US16280635
申请日：2019-02-20
Inventor： Xue V. Zhen , Philippe Pierre Joseph Buhlmann , Steven J. Koester , Yao Zhang , Justin Theodore Nelson
IPC: G01N33/53
Abstract: Embodiments herein relate to chemical sensors, devices and systems including the same, and related methods. In an embodiment, a medical device is included. The medical device can include a graphene varactor. The graphene varactor can include a graphene layer and a self-assembled monolayer disposed on an outer surface of the graphene layer through π-π stacking interactions. The self-assembled monolayer can provide a Langmuir theta value of at least 0.9. The self-assembled monolayer can include polycyclic aromatic hydrocarbons, tetraphenylporphyrins or derivatives thereof, metallotetraphenylporphyrins, or aromatic cyclodextrins. Other embodiments are also included herein.
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