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应助: 56 (初中生)
金币: 2699.5
散金: 1086
红花: 19
帖子: 1312
在线: 207小时
虫号: 102729
注册: 2005-11-14
专业: 原子簇化学

[交流] 蒙特利尔工学院本科生短期已有1人参与

蒙特利尔工学院Prof. Fabio Cicoira研究组招收短期交流本科学生一名12 weeks internship，我想，如果是硕士在读的话，似乎也可以联络，但是Prof说要求本科生，很好的机会，祝大家好运

期间费用由from MITACS提供http://www.mitacs.ca/

Conducting polymer devices for bioelectronics生物电子导电装置
Organic Electrochemical Transistors are playing a key role in the nascent field of organic bioelectronics because of their ability to operate in liquid environment at low operating voltages. OECTs can be used as converters between ionic currents in the electrolyte and electronic currents in the conducting polymer active layer. Sensors that detect gating through a bilayer lipid membrane in which the ion channel gramicidin was incorporated were built based on this principle. Glucose and peroxide sensors were developed based on OECT faradaic mode of operation and their performance has been continuously improved. More recently OECT have shown ability to detect other species of biological interest, such as DNA and dopamine. This exciting scenario calls for a more comprehensive understanding of the fundamental processes taking place in conducting polymer devices, which is the main objective of this project.
In particular, we will explore the effect of the electrical conductivity of the polymer on device switching speed and modulation. The effect of electrical conductivity will be studied by using different PEDOT

SS formulations in combination with several secondary dopants, such as ethylene glycol or dimethyl sulfoxide. This will permit to obtain films with conductivities ranging from 10 to 1000 S/cm. Device modulation and switching speed will be evaluated from current versus time plots acquired at fixed drain-source voltage while pulsing the gate-source to switch the device ON and OFF. The modulation will be related to the difference between the ON current (no gate voltage applied) and the OFF current (gate voltage applied) at various gate voltages. The switching speed will correspond to the time employed by the device to reach its steady state ON or OFF current. These experiments offer an opportunity to verify the device modeling prediction that an increase in channel conductivity yields an improved current modulation.

The student is expected to have background in the following fields: microfabrication, thin film deposition, electrochemistry, organic chemistry, electronic device characterization. GPA must be 8/10

The student will be responsible of his own project. She/he is expected to carry out an experimental work and accomplish the following tasks:
i) device microfabrication by photolithography, etching and thin film deposition
ii) conducting polymers deposition by solution processing
iii) measurement of polymer film electrical conductivity and transistor figure of merit
This project will produce state-of-the-art scientific and technical training. Organic Electronics is an intriguing discipline for students wishing to pursue their careers both in academia and industry, since it is capable to generate high impact science and to enable the development of novel technologies. The skills the student will acquire in my laboratory are highly required in several science and engineering disciplines. The activity will be carried out at the campus of the Université de Montréal/ École Polytechnique de Montréal, which offers an outstanding training environment. The student will have access to state-of-the-art facilities, i.e the laboratory of microfabrication of EPM, several microscopy techniques (atomic force microscopy and scanning electron microscopy), electrical and electrochemical characterization tools and novel system for the film deposition and printing of organic materials. He will also have the opportunity to meet with prominent international scientists who visit periodically the campus for seminars and lectures. The student will also be asked to report about her/his laboratory activity in weekly group meetings and to give a conference-style presentation in a broader meeting.
Overall, I look forward to host a MITACS student in my group. I commit to help him with her/his research in anyway possible, and make available to her/him the necessary infrastructure to carry out his research project

下面是申请网址，
http://www.mitacs.ca/globalink/2012-student-application

也可以直接联系fabio.cicoira@polymtl.ca

因为项目申请时间较短，请尽快联系。

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