PhD Theses

Congratulations, Dr. Qiaoming Zhang, new ICMAB graduate!

Doctor Qiaoming Zhang from the Nanomol Group at ICMAB, defended successfully his PhD thesis on Thursday, 13 June 2019. "I am the first Chinese Doctor of the NANOMOL group", he said, happily after his PhD Defense. Marta Mas-Torrent and Francesca Leonardi, his supervisors, were as proud as one can be! We have interviewed Qiaoming, to know about what he thinks of his PhD at ICMAB. Continue reading!

18 June 2019

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Why did you choose the ICMAB? 

I found ICMAB from the website of the Chinese Scholarship Council (CSC) because there is a cooperation project between UAB and CSC. Then, I also searched the research line of ICMAB and I was very interested in the research line of Dr. Marta Mas-Torrent. Therefore, I contacted her and then I was lucky to win the chance to come!

How would you explain your research to a non-scientific audience?

In the past four years, all my research work aims to obtain a robust platform for the next generation of bio-sensors based on an electrolyte-gated organic field effect transistors (EGOFETs) with high electrical performance and high electrical stability.  

What are the main applications of your research? Could you give us an example?

The main applications of my research focus on sensing applications, such as sensing events that occur in aqueous media and even bio-sensing. In one of my papers, I use the high performance EGOFET platform to develop a Hg2+ ions sensor with a simple detection procedure.   

From the lessons learnt at ICMAB, which one do you value the most?

The English course for writing scientific papers is the most valuable for me.

What will you miss the most from ICMAB?

The colleagues in the NANOMOL group, especially the friends in the OFET group. They are so kind and nice. They shared their friendship with me and supported me a lot. By the way, my two supervisors, Dr. Marta Mas-Torrent and Dr. Francesca Leonardi, they are very nice and very patient. I will miss them a lot.

How do you think this experience will contribute to your training and to your future?

This experience is very important for my future career because at least I know how to design the experiment, how to modify the experiment according to the results already obtained, how to write a research paper, and even how to “fight” with the editor and the referee.

What are your plans once you finish your PhD?

I will go back to China to obey the requirement of my scholarship, and find a permanent position in a university or institute to continue my research career. 

What do you wish you had known at the beginning of your PhD?

At the beginning of my PhD study, I wanted to know how to find a topic to write a paper. Yes, I know, this is not so easy for a PhD student in the first year!

Why did you become a scientist? Which have been your role models? 

Curiosity and being interested in everything is the reason to be a researcher.

Which is your favourite female scientist? 

YouYou Tu. 

Describe in 3 keywords… 

    * Your research: basic research, a bit difficult, interesting.
    * Barcelona: nice city, friendly, beautiful. 
    * Your experience at ICMAB: memorable, happiness, sometime I missed my family in China.   

Electrolyte-Gated Organic Field-Effect Transistors based on Organic Semiconductor: Insulating Polymer Blends

by Qiaoming Zhang, Nanomol Group, ICMAB-CSIC

Date: Thursday, 13 June 2019
Time: 11 am
Venue: Sala d'actes Carles Miravitlles, ICMAB-CSIC

Abstract: This thesis focuses on the fabrication, optimization, characterization and application of organic semiconductors:insulating polymer blends for electrolyte-gated organic field-effect transistors (EGOFETs), which are considered as a promising sensing platform to detect the event in liquid. Although several research works have demonstrated the high potential of using EGOFETs as sensing platform, some unsolved problems (i.e. low electrical performance and fast degradation) are actually hindering their practical application.Within this context, the first part of thesis aims to obtain robust EGOFETs based on combining OSC: polymer blends together with a solution-shearing technique. The following two parts are concentrated on developing a mercury ion sensor and a pressure sensor based on the robust EGOFET platform.Supervisors:

  • Dr. Marta-Mas Torrent, Nanomol Group, ICMAB
  • Dr. Francesca Leonardi, Nanomol Group, ICMAB

PhD Committee:

  • President: Prof. Concepció Rovira Angulo, ICMAB-CSIC, Spain
  • Secretary: Dr. Adrica Kyndiah, Institute for Bioengineering of Catalonia (IBEC), Spain
  • Vocal: Prof. Santiago Martin Solans, University of Zaragoza, Spain

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