Ergang Wang

Docent at Chemistry and Chemical Engineering, Applied Chemistry, Polymer Technology

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.

Source: chalmers.se

Projects

2016–2018

Syntes av Grafenliknande Material för Organisk Elektronik

Ergang Wang Polymer Technology
Zhaojun Li Polymer Technology
Swedish Research Council (VR)

2017–2020

The Next Generation Organic Photovoltaics with Fullerene Free

Ergang Wang Polymer Technology
The Swedish Foundation for International Cooperation in Research and Higher Education (STINT)

2017–2021

Mastering Morphology for Solution-borne Electronics

Ergang Wang Polymer Technology
Christian Müller Polymer Technology
Knut and Alice Wallenberg Foundation

2016–2019

Muliblockpolymerer för organiska solceller

Ergang Wang Polymer Technology
Swedish Research Council (VR)

2013–2017

Organic Semiconductors for NIR Optoelectronics (OSNIRO)

Mats Andersson Polymer Technology
Ergang Wang Polymer Technology
Petri Henrik Murto Polymer Technology
Zhaojun Li Polymer Technology
European Commission (FP7)

There might be more projects where Ergang Wang participates, but you have to be logged in as a Chalmers employee to see them.

Publications

2017

Enhanced thermal stability of a polymer solar cell blend induced by electron beam irradiation in the transmission electron microscope

Olof Bäcke, Camilla Lindqvist, Amaia Diaz de Zerio Mendaza et al
Ultramicroscopy. Vol. 176 (Spec. Issue), p. 23-30
Journal article
2017

Ternary organic solar cells with enhanced open circuit voltage

C. F. Wang, Xiaofeng Xu, Wei Zhang et al
Nano Energy. Vol. 37, p. 24-31
Journal article
2017

Defining donor and acceptor strength in conjugated copolymers

S. Hedstrom, Ergang Wang, P. Persson
Molecular Physics. Vol. 115 (5), p. 485-496
Journal article
2017

Polymer solar cells spray coated with non-halogenated solvents

C. S. Cai, Y. D. Zhang, Rongying Song et al
Solar Energy Materials and Solar Cells. Vol. 161, p. 52-61
Journal article
2017

Study of ITO-free roll-to-roll compatible polymer solar cells using the one-step doctor blading technique

Y. B. Lin, C. S. Cai, Y. D. Zhang et al
Journal of Materials Chemistry A. Vol. 5 (8), p. 4093-4102
Journal article
2017

High-photovoltage all-polymer solar cells based on a diketopyrrolopyrrole-isoindigo acceptor polymer

Zhaojun Li, Xiaofeng Xu, W. Zhang et al
Journal of Materials Chemistry A. Vol. 5 (23), p. 11693-11700
Journal article
2017

High-performance ternary polymer solar cells from a structurally similar polymer alloy

W. F. Shen, W. Chen, D. Q. Zhu et al
Journal of Materials Chemistry A. Vol. 5 (24), p. 12400-12406
Journal article
2017

Generation of Photoexcitations and Trap-Assisted Recombination in TQ1:PC71BM Blends

S. Sanden, N. M. Wilson, Ergang Wang et al
Journal of Physical Chemistry C. Vol. 121 (14), p. 8211-8219
Journal article
2017

9.0% power conversion efficiency from ternary all-polymer solar cells

Zhaojun Li, Xiaofeng Xu, W. Zhang et al
Energy and Environmental Sciences. Vol. 10 (10), p. 2212-2221
Journal article
2017

Enhanced thermal stability of a polymer solar cell blend induced by electron beam irradiation in the transmission electron microscope

Olof Bäcke, Camilla Lindqvist, Amaia Diaz de Zerio Mendaza et al
Ultramicroscopy. Vol. 173, p. 16-23
Journal article
2017

High-Performance and Stable All-Polymer Solar Cells Using Donor and Acceptor Polymers with Complementary Absorption

Zhaojun Li, W. Zhang, Xiaofeng Xu et al
Advanced Energy Materials. Vol. 7 (14)
Journal article
2017

Molecular Doping and Trap Filling in Organic Semiconductor Host-Guest Systems

G. Z. Zuo, Z. J. Li, O. Andersson et al
Journal of Physical Chemistry C. Vol. 121 (14), p. 7767-7775
Journal article
2017

The trade-off between electrochromic stability and contrast of a thiophene-Quinoxaline copolymer

X. Xing, C. F. Wang, X. J. Liu et al
Electrochimica Acta. Vol. 253, p. 530-535
Journal article
2017

A comparative study of the photovoltaic performances of terpolymers and ternary systems

Zewdneh Genene, J. Y. Wang, Xiaofeng Xu et al
RSC Advances. Vol. 7 (29), p. 17959-17967
Journal article
2017

Intense and Stable Near-Infrared Emission from Light-Emitting Electrochemical Cells Comprising a Metal-Free Indacenodithieno[3,2-b]thiophene-Based Copolymer as the Single Emitter

Shi Tang, Petri Henrik Murto, Xiaofeng Xu et al
Chemistry of Materials. Vol. 29 (18), p. 7750-7759
Journal article
2016

Low Band Gap Polymer Solar Cells With Minimal Voltage Losses

C. F. Wang, Xiaofeng Xu, W. Zhang et al
Advanced Energy Materials. Vol. 6 (18), p. 1600148-
Journal article
2016

Photo-degradation in air of the active layer components in a thiophene-quinoxaline copolymer: fullerene solar cell

R. Hansson, Camilla Lindqvist, L. K. E. Ericsson et al
Physical Chemistry Chemical Physics. Vol. 18 (16), p. 11132-11138
Journal article
2016

Inverted all-polymer solar cells based on a quinoxaline-thiophene/naphthalene-diimide polymer blend improved by annealing

Y. X. Xia, C. Musumeci, J. Bergqvist et al
Journal of Materials Chemistry A. Vol. 4 (10), p. 3835-3843
Journal article
2016

Open circuit voltage and efficiency in ternary organic photovoltaic blends

N. Felekidis, Ergang Wang, M. Kemerink
Energy and Environmental Sciences. Vol. 9 (1), p. 257-266
Journal article
2016

Substrate-dependent resistance decrease of graphene by ultraviolet-ozone charge doping

Lihui Liu, Z. Cao, W. Wang et al
RSC Advances. Vol. 6 (67), p. 62091-62098
Journal article
2016

High-Performance Hole Transport and Quasi-Balanced Ambipolar OFETs Based on D-A-A Thieno-benzo-isoindigo Polymers

David James, S. H. Wang, W. Ma et al
Advanced Electronic Materials. Vol. 2 (4)
Journal article
2016

High Performance All-Polymer Solar Cells by Synergistic Effects of Fine-Tuned Crystallinity and Solvent Annealing.

Zhaojun Li, Xiaofeng Xu, Wei Zhang et al
Journal of the American Chemical Society. Vol. 138 (34), p. 10935-44
Journal article
2016

Triazolobenzothiadiazole-Based Copolymers for Polymer Light-Emitting Diodes: Pure Near-Infrared Emission via Optimized Energy and Charge Transfer

Petri Henrik Murto, A. Minotto, A. Zampetti et al
Advanced Optical Materials (12), p. 2068-2076
Journal article
2016

Ultrahigh Surface-Enhanced Raman Scattering of Graphene from Au/Graphene/Au Sandwiched Structures with Subnanometer Gap

Zhaoyao Zhan, Lihui Liu, Wei Wang et al
Advanced Optical Materials. Vol. 4 (12), p. 2021-2027
Journal article
2016

Synthesis and characterization of benzodithiophene and benzotriazole-based polymers for photovoltaic applications

Desta Antenehe Gedefaw, Marta Tessarolo, Margherita Bolognesi et al
Beilstein Journal of Organic Chemistry. Vol. 12, p. 1629-1637
Journal article
2016

High Bandgap (1.9 eV) Polymer with Over 8% Efficiency in Bulk Heterojunction Solar Cells

Zewdneh Genene, Z. Genene, J. Wang et al
Advanced Electronic Materials. Vol. 2 (7), p. 1600084-
Journal article
2015

One-Step Synthesis of Precursor Oligomers for Organic Photovoltaics: A Comparative Study between Polymers and Small Molecules

W. Li, D. J. Wang, S. H. Wang et al
ACS Applied Materials & Interfaces. Vol. 7 (49), p. 27106-27114
Journal article
2015

Rational design of D-A1-D-A2 conjugated polymers with superior spectral coverage

S. Hedstrom, Qiang Tao, Ergang Wang et al
Physical Chemistry Chemical Physics. Vol. 17 (40), p. 26677-26689
Journal article
2015

A dual ternary system for highly efficient ITO-free inverted polymer solar cells

Zuosheng Peng, Y. X. Xia, F. Gao et al
Journal of Materials Chemistry A. Vol. 3 (36), p. 18365-18371
Journal article
2015

Temperature-Dependent Optical Properties of Flexible Donor - Acceptor Polymers

S. Hedstrom, Patrik Henriksson, Ergang Wang et al
Journal of Physical Chemistry C. Vol. 119 (12), p. 6453-6463
Journal article
2015

Mapping fullerene crystallization in a photovoltaic blend: an electron tomography study

Olof Bäcke, Camilla Lindqvist, Amaia Diaz de Zerio Mendaza et al
Nanoscale. Vol. 7 (18), p. 8451-8456
Journal article
2015

Near-Infrared Emitting and Pro-Angiogenic Electrospun Conjugated Polymer Scaffold for Optical Biomaterial Tracking

A. Wickham, D. Sjolander, G. Bergstrom et al
Advanced Materials for Optics and Electronics. Vol. 25 (27), p. 4274-4281
Journal article
2015

Regular Energetics at Conjugated Electrolyte/Electrode Modifier for Organic Electronics and their Implications on Design Rules

Q. Y. Bao, X. J. Liu, Ergang Wang et al
Advanced Materials Interfaces. Vol. 2 (12)
Journal article
2015

From spin coating to doctor blading: A systematic study on the photovoltaic performance of an isoindigo-based polymer

K. Xiong, Lintao Hou, M. X. Wu et al
Solar Energy Materials and Solar Cells. Vol. 132, p. 252-259
Journal article
2015

Pyrrolo 3,4-g quinoxaline-6,8-dione-based conjugated copolymers for bulk heterojunction solar cells with high photovoltages

Xiaofeng Xu, C. F. Wang, Olof Bäcke et al
Polymer Chemistry. Vol. 6 (25), p. 4624-4633
Journal article
2015

Improved performance and life time of inverted organic photovoltaics by using polymer interfacial materials

Zandra George, E. Voroshazi, Camilla Lindqvist et al
Solar Energy Materials and Solar Cells. Vol. 133, p. 99-104
Journal article
2015

D-A(1)-D-A(2) Copolymers with Extended Donor Segments for Efficient Polymer Solar Cells

Qiang Tao, Y. X. Xia, Xiaofeng Xu et al
Macromolecules. Vol. 48 (4), p. 1009-1016
Journal article
2015

Vertical and lateral morphology effects on solar cell performance for a thiophene-quinoxaline copolymer: PC70BM blend

R. Hansson, L. K. E. Ericsson, N. P. Holmes et al
Journal of Materials Chemistry A. Vol. 3 (13), p. 6970-6979
Journal article
2015

Predicting thermal stability of organic solar cells through an easy and fast capacitance measurement

Marta Tessarolo, A. Guerrero, Desta Antenehe Gedefaw et al
Solar Energy Materials and Solar Cells. Vol. 141, p. 240-247
Journal article
2015

Pore-free bubbling delamination of chemical vapor deposited graphene from copper foils

Zhaoyao Zhan, Jie Sun, Lihui Liu et al
Journal of Materials Chemistry C. Vol. 3 (33), p. 8634-8641
Journal article
2014

Manipulating backbone structure with various conjugated spacers to enhance photovoltaic performance of D-A-type two-dimensional copolymerse

D. F. Dang, M. J. Xiao, P. Zhou et al
Organic Electronics: physics, materials, applications. Vol. 15 (11), p. 2876-2884
Journal article
2014

Structure-Property Relationships of Oligothiophene-Isoindigo Polymers for Efficient Bulk-Heterojunction Solar Cells

Z. F. Ma, Wenjun Sun, Scott Himmelberger et al
Energy and Environmental Sciences. Vol. 7 (1), p. 361-369
Journal article
2014

Electron microscopy of organic solar cells thermally stabilized with fullerene nucleating agents

Stefan Gustafsson, Olof Bäcke, Samira Mousavi Nik et al
Microscopy and Microanalysis. Vol. 20 (3), p. 398-399
Journal article
2014

Structural tuning of quinoxaline-benzodithiophene copolymers via alkyl side chain manipulation: synthesis, characterization and photovoltaic properties

Marta Tessarolo, Desta Antenehe Gedefaw, Margherita Bolognesi et al
Journal of Materials Chemistry A. Vol. 2 (29), p. 11162-11170
Journal article
2014

Fullerene mixtures enhance the thermal stability of a non-crystalline polymer solar cell blend

Camilla Lindqvist, J. Bergqvist, Olof Bäcke et al
Applied Physics Letters. Vol. 104 (15), p. 153301-
Journal article
2014

Facile Monitoring of Fullerene Crystallization in Polymer Solar Cell Blends by UV–vis Spectroscopy

Camilla Lindqvist, Ergang Wang, Mats Andersson et al
Macromolecular Chemistry and Physics. Vol. 215 (6), p. 530-535
Journal article
2014

On the complex refractive index of polymer:fullerene photovoltaic blends

M. Campoy-Quiles, Christian Müller, M. Garriga et al
Thin Solid Films. Vol. 571 (P3), p. 371-376
Journal article
2014

Sub-glass transition annealing enhances polymer solar cell performance

J. Bergqvist, Camilla Lindqvist, Olof Bäcke et al
Journal of Materials Chemistry A. Vol. 2 (17), p. 6146-6152
Journal article
2014

Light-harvesting capabilities of low band gap donor-acceptor polymers

S. Hedstrom, Patrik Henriksson, Ergang Wang et al
Physical Chemistry Chemical Physics. Vol. 16 (45), p. 24853-24865
Journal article
2014

Structural tuning of quinoxaline-benzodithiophene copolymers via alkyl side chain manipulation: synthesis, characterization and photovoltaic properties

Marta Tessarolo, Desta Antenehe Gedefaw, Margherita Bolognesi et al
Journal of Materials Chemistry A. Vol. 2 (29), p. 11162-11170
Journal article
2014

Charge carrier dynamics of polymer: Fullerene blends: From geminate to non-geminate recombination

D.A. Vithanage, Ergang Wang, Z. Wang et al
Advanced Energy Materials
Journal article
2014

Conjugated polymers based on benzodithiophene and fluorinated quinoxaline for bulk heterojunction solar cells: thiophene versus thieno[3,2-b]thiophene as π-conjugated spacers

Desta Antenehe Gedefaw, Marta Tessarolo, Wenliu Zhuang et al
Polymer Chemistry. Vol. 5 (6), p. 2083-2093
Journal article
2014

Enhanced Photovoltaic Performance of Indacenodithiophene-Quinoxaline Copolymers by Side- Chain Modulation

Dongfeng Dang, Weichao Chen, Scott Himmelberger et al
Advanced Energy Materials. Vol. 4 (15), p. Art. no. 1400680-
Journal article
2014

Fullerene Nucleating Agents: A Route Towards Thermally Stable Photovoltaic Blends

Camilla Lindqvist, J. Bergqvist, Ching-Chiao Feng et al
Advanced Energy Materials. Vol. 4 (9), p. 1301437-
Journal article
2014

25th Anniversary Article: Isoindigo- Based Polymers and Small Molecules for Bulk Heterojunction Solar Cells and Field Effect Transistors

Ergang Wang, W. Mammo, Mats Andersson
Advanced Materials. Vol. 26 (12), p. 1801-1826
Journal article
2014

Stability study of quinoxaline and pyrido pyrazine based co-polymers for solar cell applications

Patrik Henriksson, Camilla Lindqvist, Bedasa Abdisa et al
Solar Energy Materials and Solar Cells. Vol. 130, p. 138-143
Journal article
2013

Fluorine substitution enhanced photovoltaic performance of a D-A 1-D-A2 copolymer

Dongfeng Dang, W. Chen, R. Yang et al
Journal of Logic and Computation. Vol. 49 (81), p. 9335-9337
Journal article
2013

Computational modeling of isoindigo-based polymers used in organic solar cells

P. Salvatori, E. Mosconi, Ergang Wang et al
Journal of Physical Chemistry C. Vol. 117 (35), p. 17940-17954
Journal article
2013

2D π-conjugated benzo[1,2-b:4,5-b']dithiophene- and quinoxaline-based copolymers for photovoltaic applications

Margherita Bolognesi, Desta Antenehe Gedefaw, Dongfeng Dang et al
RSC Advances. Vol. 3 (46), p. 24543-24552
Journal article
2013

An alternating D-A1-D-A2 copolymer containing two electron-deficient moieties for efficient polymer solar cells

Wenjun Sun, Z. F. Ma, Dongfeng Dang et al
Journal of Materials Chemistry A. Vol. 1 (37), p. 11141-11144
Journal article
2013

Conformational Disorder Enhances Solubility and Photovoltaic Performance of a Thiophene–Quinoxaline Copolymer

Ergang Wang, J. Bergqvist, K. Vandewal et al
Advanced Energy Materials. Vol. 3 (6), p. 806-814
Journal article
2013

Molecular Orbital Energy Level Modulation through Incorporation of Selenium and Fluorine into Conjugated Polymers for Organic Photovoltaic Cells

Wenliu Zhuang, Hongyu Zhen, Renee Kroon et al
Journal of Materials Chemistry A. Vol. 1 (43), p. 13422-13425
Journal article
2013

Nucleation-limited fullerene crystallisation in a polymer–fullerene bulk-heterojunction blend

Camilla Lindqvist, Anke Sanz-Velasco, Ergang Wang et al
Journal of Materials Chemistry A. Vol. 1 (24), p. 7174-7180
Journal article
2013

A Facile Method to Enhance Photovoltaic Performance of Benzodithiophene-Isoindigo Polymers by Inserting Bithiophene Spacer

Z. F. Ma, Dongfeng Dang, Z. Tang et al
Advanced Energy Materials. Vol. 4 (6), p. Art. no. 1301455-
Journal article
2013

Tracing charge transfer states in polymer:fullerene bulk-heterojunctions

M. Manca, C. Piliego, Ergang Wang et al
Journal of Materials Chemistry A. Vol. 1 (25), p. 7321-7325
Journal article
2013

Pyramid shape of polymer solar cells: a simple solution to triple efficiency

Y. X. Xia, Lintao Hou, K. J. Ma et al
Journal of Physics D: Applied Physics. Vol. 46 (30)
Journal article
2012

Ultrafast Terahertz Photoconductivity of Bulk Heterojunction Materials Reveals High Carrier Mobility up to Nanosecond Time Scale

C. S. Ponseca, A. Yartsev, Ergang Wang et al
Journal of the American Chemical Society. Vol. 134 (29), p. 11836-11839
Journal article
2012

Electron and Hole Contributions to the Terahertz Photoconductivity of a Conjugated Polymer:Fullerene Blend Identified

C. S. Ponseca, H. Nemec, N. Vukmirovic et al
Journal of Physical Chemistry Letters. Vol. 3 (17), p. 2442-2446
Journal article
2012

Synthesis and characterization of benzodithiophene-isoindigo polymers for solar cells

Z. F. Ma, Ergang Wang, Markus Jarvid et al
Journal of Materials Chemistry. Vol. 22 (5), p. 2306-2314
Journal article
2012

Influences of Surface Roughness of ZnO Electron Transport Layer on the Photovoltaic Performance of Organic Inverted Solar Cells

Z. F. Ma, Z. Tang, Ergang Wang et al
Journal of Physical Chemistry C. Vol. 116 (46), p. 24462-24468
Journal article
2012

Semi-Transparent Tandem Organic Solar Cells with 90% Internal Quantum Efficiency

Z. Tang, Zandra George, Z. F. Ma et al
Advanced Energy Materials. Vol. 2 (12), p. 1467-1476
Journal article
2012

Quantification of Quantum Efficiency and Energy Losses in Low Bandgap Polymer:Fullerene Solar Cells with High Open-Circuit Voltage

K. Vandewal, Z. F. Ma, J. Bergqvist et al
Advanced Materials for Optics and Electronics. Vol. 22 (16), p. 3480-3490
Journal article
2011

Side-Chain Architectures of 2,7-Carbazole and Quinoxaline-Based Polymers for Efficient Polymer Solar Cells

Ergang Wang, Lintao Hou, Z. Q. Wang et al
Macromolecules. Vol. 44 (7), p. 2067-2073
Journal article
2011

Blue-to-transmissive electrochromic switching of solution processable donor-acceptor polymers

Stefan Hellström, Patrik Henriksson, Renee Kroon et al
Organic Electronics: physics, materials, applications. Vol. 12 (8), p. 1406-1413
Journal article
2011

Lateral Phase Separation Gradients in Spin-Coated Thin Films of High-Performance Polymer: Fullerene Photovoltaic Blends

Lintao Hou, Ergang Wang, J. Bergqvist et al
Advanced Materials for Optics and Electronics. Vol. 21 (16), p. 3169-3175
Journal article
2011

An Easily Accessible Isoindigo-Based Polymer for High-Performance Polymer Solar Cells

Ergang Wang, Z. F. Ma, Zhen Zhang et al
Journal of the American Chemical Society. Vol. 133 (36), p. 14244-14247
Journal article
2011

Enhance performance of organic solar cells based on an isoindigo-based copolymer by balancing absorption and miscibility of electron acceptor

Z. F. Ma, Ergang Wang, K. Vandewal et al
Applied Physics Letters. Vol. 99 (14)
Journal article
2011

An isoindigo-based low band gap polymer for efficient polymer solar cells with high photo-voltage

Ergang Wang, Z. F. Ma, Patrik Henriksson et al
Chemical Communications. Vol. 47 (17), p. 4908-4910
Journal article
2011

Efficient infiltration of low molecular weight polymer in nanoporous TiO2

E. M. J. Johansson, S. Pradhan, Ergang Wang et al
Chemical Physics Letters. Vol. 502 (4-6), p. 225-230
Journal article
2011

Mixed solvents for reproducible photovoltaic bulk heterojunctions

Z. Q. Wang, Ergang Wang, Lintao Hou et al
Journal of Photonics for Energy. Vol. 1 (1 (Special Section on Organic Photovoltaics)), p. 011122-
Journal article
2010

Low bandgap polymers synthesized by FeCl(3) oxidative polymerization

Tianqi Cai, Y. Zhou, Ergang Wang et al
Solar Energy Materials and Solar Cells. Vol. 94 (7), p. 1275-1281
Journal article
2010

Influence of Molecular Weight on the Performance of Organic Solar Cells Based on a Fluorene Derivative

C. Muller, Ergang Wang, L. M. Andersson et al
Advanced Materials for Optics and Electronics. Vol. 20 (13), p. 2124-2131
Journal article
2010

Influence of Molecular Weight on the Performance of Organic Solar Cells Based on a Fluorene Derivative

C. Muller, Ergang Wang, L. M. Andersson et al
Advanced Materials for Optics and Electronics. Vol. 20 (13), p. 2124-2131
Journal article
2010

Small Band Gap Polymers Synthesized via a Modified Nitration of 4,7-Dibromo-2,1,3-benzothiadiazole

Ergang Wang, Lintao Hou, Z. Q. Wang et al
Organic Letters. Vol. 12 (20), p. 4470-4473
Journal article
2010

An Easily Synthesized Blue Polymer for High-Performance Polymer Solar Cells

Ergang Wang, Lintao Hou, Z. Q. Wang et al
Advanced Materials. Vol. 22 (46), p. 5240-5244
Journal article