Ergang Wang

Professor; Chemistry and Chemical Engineering, Applied Chemistry

Ergang Wang was appointed as a Professor in the Department of Chemistry and Chemical Engineering in 2019. He has been an Associate Professor in 2016-2019 and 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. He was awarded as Wallenberg Academy Fellow in 2017 and his fellowship was prolongated for another 5 years in 2022.

The focus of his research is on the development of new conjugated polymers, 2D materials and Graphene-like materials. The main applications of the materials are organic solar cells, photodetectors, light-emitting diodes, light-emitting electrochemical cells, electrochromic, field-effect transistors, supercapacitors and thermal management.

A full list of publications 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


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]


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 are hiring!

A postdoc position on 2D materials is open now.
If you are interested, please apply here.


A PhD student position in synthesis of conjugated materials for energy applications is available.

If you are interested, please apply here.

Please apply online not by email.
Major projects
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) 





Welcome to Polymer Chemistry and Electronics group!

2022-09-01 EW group.jpg

Taken on Sept. 1st, 2022

Polymer solar cells printed from the polymer TQ1.

Adv. Mater., 2010, 22, 5240


Group members:


Qiaonan Chen is a Post doctor in Ergang Wang group at Chalmers since October 2020. Her research focus is on polymer solar cell materials. She is now working on projects focusing on the design and synthesis of single component non-conjugated D-A polymer as active layers for organic solar cells; non-conjugated acceptor polymer materials.

Qiaonan obtained her B.Sc. in 2014 and PhD degree in 2019 in Chemistry at Jilin University, China.

 Zewdneh Genene     from 11/2019
Zewdneh is current a postdoc at Chalmers. He completed his PhD at Addis Ababa University in 2017.

The focus of his work is on the development of new conjugated polymers and graphene-like materials for organic solar cells, light-emitting electrochemical cells, light-emitting diodes and supercapacitors.

Birhan A. Abdulahi  from 11/2020

Birhan A. Abdulahi pursued his PhD at Addis Ababa University in July 2019. Birhan was a visiting PhD student and conducted part of his PhD research at Chalmers University of Technology. Currently, he is a postdoctoral researcher in Ergang Wang’s research group. His research interest includes design, synthesis and characterization of organic molecules and polymers for different optoelectronic applications.


Guijun Yang from 01/2022

Guijun Yang obtained her PhD degree in Inha University, South Korea in 2021 and joined Chalmers in 2022 by winning the Wenner-Gren Foreign Postdoctoral Fellowship. She is working on composites of conjugated polymers and 2D materials (graphene and MXene) for supercapacitors.

Ulises Mendez Romero from 11/2021

Ulises A. Médez-Romero received his BSc in nanotechnology from Universidad de las Américas Puebla in Mexico in 2015. In 2017 he obtained his MSc in materials science from Centro de Investigación en Materiales Avanzados (Cimav) in Mexico. In 2017 he started a double doctoral degree in both Cimav and Chalmers University of Technology, at Division of Applied Chemistry under the supervision of Professor Ergang Wang. He remains as a postdoc in the same group after defending his PhD in Nov. 2021. His research is mainly focused on the synthesis and functionalization of 2D materials and their application in energy storage.

Josue Mena Gomez.jpg

Josué Mena Gómez from Sept. 2022
Josué Mena Gómez has a PhD in Materials Science from Rovira i Virgili University in Tarragona, Spain and currently is a Researcher at Ergang’s group. His current research is mainly focused on the development and integration of 2D materials into thermal management platforms.

PhD students:

Jingnan Wu exchange PhD student 2021-2023


Project: Efficient and Stable Organic Solar Cells Based on Novel Material Structure


I received my M.S. degree in Chemistry from Soochow University in 2020. Currently, I am a PhD student in Aalborg University. My research interests focus on the synthesis and application of organic photovoltaic materials.

Krzysztof Kotewicz

PhD student since 9/2021

His research focus is on the synthesis of conjugated materials and 2D materials for organic light-emitting electrochemical cells and supercapacitors. He is trying to use green chemistry and nature-derived materials for a sustainable future.


Jinhui Zhao from Sept. 2022

Jinhui Zhao received his master’s degree from Changzhou University in China in 2021. From 2022, he joined a double doctoral degree programme between Flinders University and Chalmers University of Technology, under the supervision of Professor Mats Andersson and Ergang Wang. His research focuses on designing and synthesizing new materials for biodegradable applications and conjugated materials for organic solar cells.

Tadele Tamenu is a PhD student at Addis Ababa Univerity and now a guest PhD student in Ergang Wang’s group. His PhD research emphasizes designing, synthesizing, and characterization of new conjugated organic materials for optoelectronic applications. 

Wei Wei.jpg

Wei Wei is a visiting researcher in Ergang Wang's group at Chalmers since Dec. 2022. Her research focus is mainly on the synthesis of nanomaterials and the applications in flexible electronics.

Wei is a senior engineer in Xidian University, China. She obtained her B.Sc. in 2008 in Electronic and Information Engineering, and PhD degree in 2013 in Engineering Thermophysics at Zhejiang University, China.


Wallenberg Academy Fellow in 2017 and prolongated in 2022


Grant from the Swedish Energy Agency (2021-2024, 3 MSEK)

Grant from the Swedish Research Council (2020-2023, 3.6 MSEK)

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)

Grant from the Swedish Research Council (2012-2015, 3.7 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.

Page manager Published: Fri 23 Dec 2022.