Stefan Hellström

Publications (17)
Projects (0)

Showing 17 publications

2014

Conjugated polymers with polar side chains in bulk heterojunction solar cell devices

Desta Antenehe Gedefaw, Y. Zhou, Z. F. Ma et al

Polymer International. Vol. 63 (1), p. 22-30

Journal article

2013

The Influence of Alkoxy Substitutions on the Properties of Diketopyrrolopyrrole-Phenyl Copolymers for Solar Cells

Zandra George, Renee Kroon, R. Gehlhaar et al

Materials. Vol. 6 (7), p. 3022-3034

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

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

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

Influence of side chains on electrochromic properties of green donor-acceptor-donor polymers

Stefan Hellström, Tianqi Cai, Olle Inganäs et al

Electrochimica Acta. Vol. 56 (10), p. 3454-3459

Journal article

2011

Conjugated Polymers for Solar Cells and Electrochromic Displays

Stefan Hellström

Doctoral thesis

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

Black polymers in bulk-heterojunction solar cells

Y. Zhou, Desta Antenehe Gedefaw, Stefan Hellström et al

IEEE Journal of Selected Topics in Quantum Electronics. Vol. 16 (6), p. 1565-1572

Journal article

2010

Geminate Charge Recombination in Polymer/Fullerene Bulk Heterojunction Films and Implications for Solar Cell Function

S. K. Pal, T. Kesti, M. Maiti et al

Journal of the American Chemical Society. Vol. 132 (35), p. 12440-12451

Journal article

2010

Synthesis and characterization of three small band gap conjugated polymers for solar cell applications

Stefan Hellström, Lars Johan Lindgren, Y. Zhou et al

Polymer Chemistry. Vol. 1 (8), p. 1272-1280

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

2010

Polymer Photovoltaics with Alternating Copolymer/Fullerene Blends and Novel Device Architectures

Olle Inganäs, Fengling Zhang, K. Tvingstedt et al

Advanced Materials. Vol. 22 (20), p. E100-E116

Journal article

2009

Structure-property relationships of small bandgap conjugated polymers for solar cells

Stefan Hellström, Fengling Zhang, Olle Inganäs et al

Dalton Transactions (45), p. 10032-10039

Journal article

2009

Alternating copolymers of fluorene and donor-acceptor-donor segments designed for miscibility in bulk heterojunction photovoltaics

Desta Antenehe Gedefaw, Y. Zhou, Stefan Hellström et al

Journal of Materials Chemistry. Vol. 19 (30), p. 5359-5363

Journal article

2009

Synthesis, Characterization, and Devices of a Series of Alternating Copolymers for Solar Cells

Lars Johan Lindgren, Fengling Zhang, Mattias Andersson et al

Chemistry of Materials. Vol. 21 (15), p. 3491-3502

Journal article

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