Ergang Wang

Associate Professor; Chemistry and Chemical Engineering, Applied Chemistry

Ergang Wang was appointed as an Associate Professor in the Department of Chemistry and Chemical Engineering in 2016. He has been an Assistant Professor in 2012-2016. Previously, he has been a postdoc fellow in the same department in 2008-2011. He obtained his PhD degree in Materials Science in 2008 and Docentship in 2015.

The focus of his research is on the development of new conjugated polymers and Graphene-like materials. The main applications of the materials are organic solar cells, photodetectors, light-emitting diodes and field effect transistors. Moreover, he has broad interests in flow battery, ferroelectric materials and thermoelectrics.
He has published more than 80 scientific papers with total citation over 3800 times.

Full list of publication is available on Google Scholar Profile.

Master course: Polymer Chemistry and Physics (KBT026)

The course aims to provide a fundamental understanding of the chemistry and physics of polymers and focuses on the following topics: synthesis, characterisation, structure-property relationships and the physics of solutions and the solid state.


PhD course: Polymer Characterizations

Information

This course is mainly for PhD students who have basic knowledge about polymers. The main aim of this course is to introduce the technologies for characterization of polymers. 6 credits are recommended for this course.

 Course materials

Polymer Physics by Ulf W. Gedde, ISBN: 0-412-59020-4 [DSC/TGA/DMA]

NMR of Polymers by Frank A. Bovey and Peter A. Mirau, Academic Press, ISBN: 0121197654 [NMR]

 Objectives

By taking this course, you should be able to

1.     use DSC/TGA/DMA to determine thermal properties of polymers including glass transition temperature (Tg), melting temperature (Tm), decomposition temperature (Td).

2.     use NMR and FT-IR to determine polymer structures.

3.     use GPC and MALDI-TOF to determine polymer molecular weights.

4.     understand polymer properties in a better way.


We have state-of-the-art facilities for polymer synthesis, processing and characterisation:

·      Simulation: Chalmers Centre for Computational Science and Engineering (C3SE) is a center for scientific and technical computing at Chalmers University of Technology in Gothenburg Sweden, which is one of six centers in the national metacenter of the Swedish National Infrastructure for Computing.

·        Synthesis: Well-equipped labs for organic synthesis with fume hoods;

·        Structural characterisation equipment: 400 MHz NMR, GC-MS and MALDI-TOF; Size Exclusion Chromatography (SEC) with triple detection (refractive index, viscosity, light scattering), using 1,2,4-trichlorobenzene at 150°C, for polymer molecular weight determination

·      Processing equipment: spin coater and blade coater for thin film processing; hot press and extruder for melt processing of polymers (5 gram scale)

·         Thermal analysis: TGA and DSC with liquid nitrogen cooling; hot stage for optical microscopy

·   Spectroscopy: UV-vis-NIR with integrating sphere; FTIR including ATR equipment and micrometer positioning stage; photoluminescence (PL) spectroscopy, XPS, Raman

·        Microscopy: optical polarizing microscope, fluorescence microscope, atomic force microscope (AFM), scanning electron microscope (SEM), transmission electron microscope (TEM)

·        X-ray scattering equipment, wide-angle X-ray scattering (powder diffraction, grazing incidence, single crystal) 






Lab


UV-Vis-NIR


SEC


DSC




Welcome to Polymer Chemistry and Electronics group!



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Taken in December of 2016



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Taken in May of 2016


 
Polymer solar cells printed from the polymer TQ1.

Adv. Mater., 2010, 22, 5240

Our reseach in media! 
See more information in SVT.


 

Group members:

Postdoc:

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Dr. Xiaofeng Xu   from 2014

xixu@chalmers.se

Education

09/2006 - 07/2011

Ph.D. in Material Science

State Key Laboratory of Luminescent Materials & Devices,

Institute of Polymer Optoelectronic Materials & Devices,

Professional Experience

10/2011 - 12/2013

Research Fellow

School of Chemical and Biomedical Engineering

Nanyang Technological University, Singapore

 

01/2014-present

Postdoctoral Fellow

Department of Chemistry and Chemical Engineering / Polymer Technology

Chalmers University of Technology, Gothenburg, Sweden

 

Project: High and Low Band Gap Conjugated Polymers for Tandem Solar Cells (Sunflower)


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Dr. JOSUÉ AYUSO-CARRILLO    from 2016


Josué graduated from the University of Yucatan (Mexico) in Chemical Engineering in 2007. After spending two years as a teacher and research assistant in Mexico he started a Master degree in Molecular Inorganic Chemistry at the University of Alcala and the Autonomous University of Madrid (Spain) in 2010. He then obtained his PhD in Chemistry in August 2016 from the University of Manchester (UK) under the supervision of Dr. M. Ingleson and Prof. M. Turner. In November 2016 he joined the Polymer Chemistry and Electronics group with Dr. E. Wang at Chalmers University of Technology (Sweden), and he is currently developing novel strategies for n-type semiconductors.

 

E: josue.ayuso@chalmers.se

ORCID: orcid.org/0000-0002-9939-2125



PhD students:


Petri Murto  from 2014

murto@chalmers.se

Petri Murto graduated from the University of Oulu, Finland, in April 2013. Previously, he has been working in industrial research centers of a Finnish water chemistry company Kemira Oyj. In his MSc project, Petri developed synthesis methods for biodegradable chelating agents. 

His project focuses on design and synthesis of near IR emitting polymers for organic light emitting diodes.


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Zhaojun Li  from 2014

Zhaojun@chalmers.se

Education:

BSc: Applied chemistry at University of Science and Technology Beijing from 2007 to 2011

MSc: Chemistry at Univerisity of Science and Technology Beijing & Institute of Chemistry of Chinese Academy of Sciences from 2011 to 2013

Project:

Design and synthesis of NIR absorbing oligomers and polymers with high absorption coefficient


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Kim Bini   from 2014

kim.bini@chalmers.se

After earning his M.Sc. in Biotechnology at Chalmers University of Technology, Kim Bini started his PhD studies in March 2014 at Applied Chemistry. His research is focused on developing pathways to green solvent processing of active layer materials for polymer solar cell applications. Organic photovoltaic devices show great promise and might change the world from fossil fuel dependence to solar powered. In order to make this technology truly green, the pervasive usage of chlorinated solvents for processing needs to be changed. This project aims to solve that problem with the usage of thermocleavable sidechains, leading to a switchable solubility.


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Cedrik Wiberg   from 2016-05-01

Cedrik graduated from KTH in 2013 and proceeded to work in the polymer materials' industry for a few years before deciding to pursue his doctorate. His project is focused on synthesis and electrochemical analysis of organic molecules for aqueous redox-flow batteries in the hopes of ameliorating our impact on the global environment.


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Mariza Mone   from 2016-10-01

mariza@chalmers.se

Education:

BSc: Chemistry at Aristotle University of Thessaloniki from 2010 to 2014

MSc: Science and Technology of Polymers and Nanocomposite Materials at Aristotle University of Thessaloniki from 2014 to 2016

Project:

Design and synthesis of low band gap polymers and small molecules for organic solar cells with absorption extending to ~1200 nm.


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Birhan Alkadir  visiting PhD student since 2016

I graduated MSc in Organic chemistry from Addis Ababa University, Ethiopia in 2012. Starting from 2015 I started working PhD on the Synthesis of conjugated polymers for solar cell.



Alumni
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Juuso Pietarinen    2016


BSc at University of Oulu from 2011 to 2015

MSc student at UO from 2014

Visiting master student at Chalmers from May 2016

His project focuses on synthesis of oligomers and polymers for NIR-OLEDs


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Lidia Marin     2015--2016

Lidia obtained her PhD in Chemistry at Hasselt Univeristy (Belgium) where she worked on the design and synthesis of quinoxaline derivatives with broadened absorption patterns. Her research focuses on developing novel isoindigo-based small molecules and conjugated polymers for optoelectronic applications.


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 Zewdneh Genene     2015--2016
Zewdneh is a visiting PhD student from Addis Ababa University.

The focus of his work is on the development of new conjugated polymers and graphene-like materials for solar cells.





Dr. David James    2014--2015

David James completed his MSci in Chemistry at Imperial College London in 2009 before subsequently joining the Plastic Electronics Centre for Doctoral Training at Imperial College. Here he undertook an MRes and Ph.D in Plastic Electronics in which he worked on the synthesis and characterization of low band gap polymers for organic photovoltaics and transistors under the supervision of Prof. Iain McCulloch and Prof. James Durrant. 

He has been in our group in 2014--2015 and currently he is working in Merck.


Fundings:

 

http://www.sunflower-fp7.eu


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http://osniro.eu


Projects from the Swedish Research Council (2012-2015, 3.7 MSEK)

 Developing new polymers/oligomers to achieve high efficiency in organic solar cells​


Dr. Wang has received the following grants in 2015.

Grant from the Swedish Research Council Formas (2016-2018, 3 MSEK)

Grant from the Swedish Research Council (2016-2019, 4 MSEK)

Grant from the Swedish Research Council for Research Links (2016-2018, 1.17 MSEK)

Dr. Wang has been granted the MoRE fellowship by Västra Götaland.

As a co-applicant, Dr. Wang was granted a project entitled  “Mastering Morphology for Solution-borne Electronics”, which has been funded with SEK 28 million by the Knut and Alice Wallenberg foundation.


Master thesis projects are available! More information can be found from Chalmers homopage!

Please contact us if you are interested.


Full list of publications can be found from Researcher ID: F-8157-2010 or

Google Scholar.

Published: Mon 11 Nov 2013. Modified: Sat 07 Jan 2017