Indunil Chathurangani Angunawela

Works (28)

Updated: July 5th, 2023 15:34

2023 journal article

Near-infrared absorbing acceptor with suppressed triplet exciton generation enabling high performance tandem organic solar cells

NATURE COMMUNICATIONS, 14(1).

By: Z. Jia*, Q. Ma*, Z. Chen*, L. Meng*, N. Jain*, I. Angunawela n, S. Qin*, X. Kong* ...

co-author countries: China 🇨🇳 Sweden 🇸🇪 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: April 4, 2023

2022 article

16.52% Efficiency All-Polymer Solar Cells with High Tolerance of the Photoactive Layer Thickness

Zhang, W., Sun, C., Angunawela, I., Meng, L., Qin, S., Zhou, L., … Li, Y. (2022, April 17). ADVANCED MATERIALS, Vol. 4.

By: W. Zhang*, C. Sun*, I. Angunawela n, L. Meng*, S. Qin*, L. Zhou*, S. Li*, H. Zhuo* ...

co-author countries: China 🇨🇳 United States of America 🇺🇸
author keywords: all-polymer solar cells; energy level matching; morphology control; photoactive layer thickness; ternary devices
Sources: Web Of Science, ORCID
Added: May 2, 2022

2022 article

A Benzo[1,2-b:4,5-b']Difuran Based Donor Polymer Achieving High-Performance (>17%) Single-Junction Organic Solar Cells with a Fill Factor of 80.4%

Yi, J., Pan, M., Chen, L., Chen, Y., Angunawela, I. C., Luo, S., … Yan, H. (2022, July 19). ADVANCED ENERGY MATERIALS, Vol. 7.

By: J. Yi*, M. Pan*, L. Chen*, Y. Chen*, I. Angunawela n, S. Luo*, T. Zhang*, A. Zeng* ...

co-author countries: China 🇨🇳 Hong Kong 🇭🇰 United States of America 🇺🇸
author keywords: benzo[1,2-b:4,5-b']difuran; fill factors; morphology; organic solar cells; polymer donors
Sources: Web Of Science, ORCID
Added: July 26, 2022

2022 article

Importance of Electric-Field-Independent Mobilities in Thick-Film Organic Solar Cells

Ho, C. H. Y., Pei, Y., Qin, Y., Zhang, C., Peng, Z., Angunawela, I., … So, F. (2022, October 11). ACS APPLIED MATERIALS & INTERFACES, Vol. 10.

By: C. Ho n, Y. Pei n, Y. Qin n, C. Zhang*, Z. Peng n, I. Angunawela n, A. Jones*, H. Yin* ...

co-author countries: China 🇨🇳 United States of America 🇺🇸

Contributors: C. Ho n

author keywords: organic photovoltaic; fill factor; thick film; mobility; field dependence; electric field
Sources: Web Of Science, ORCID
Added: October 23, 2022

2022 journal article

Optimizing spectral and morphological match of nonfullerene acceptors toward efficient indoor organic photovoltaics with enhanced light source adaptability

NANO ENERGY, 98.

By: S. Luo*, F. Bai*, J. Zhang*, H. Zhao*, I. Angunawela n, X. Zou*, X. Li*, Z. Luo* ...

co-author countries: China 🇨🇳 Hong Kong 🇭🇰 United States of America 🇺🇸
author keywords: Organic solar cells; Indoor organic photovoltaics; Non-fullerene acceptors; Side-chain engineering
Sources: Web Of Science, ORCID
Added: June 6, 2022

2022 article

Small-Molecule Acceptor with Unsymmetric Substituents and Fused Rings for High-Performance Organic Solar Cells with Enhanced Mobility and Reduced Energy Losses

Li, Z., Kong, X., Chen, Z., Angunawela, I., Zhu, H., Li, X., … Li, Y. (2022, November 9). ACS APPLIED MATERIALS & INTERFACES, Vol. 11.

By: Z. Li*, X. Kong*, Z. Chen*, I. Angunawela n, H. Zhu*, X. Li*, L. Meng*, H. Ade n, Y. Li*

co-author countries: China 🇨🇳 United States of America 🇺🇸
author keywords: organic solar cells; unsymmetric molecular structure; alkoxy substituent; small-molecule acceptors; nonradiative energy loss
Sources: Web Of Science, ORCID
Added: November 28, 2022

2022 article

Ultrathin P(NDI2OD-T2) Films with High Electron Mobility in Both Bottom-Gate and Top-Gate Transistors

Steckmann, T., Angunawela, I., Kashani, S., Zhu, Y., Nahid, M. M., Ade, H., & Gadisa, A. (2022, March 2). ADVANCED ELECTRONIC MATERIALS, Vol. 3.

By: T. Steckmann n, I. Angunawela n, S. Kashani n, Y. Zhu n, M. Nahid n, H. Ade n, A. Gadisa n

co-author countries: United States of America 🇺🇸
author keywords: edge-on; mobility; transistor; ultrathin; water-processing
Sources: Web Of Science, ORCID
Added: March 4, 2022

2021 article

A Chlorinated Donor Polymer Achieving High-Performance Organic Solar Cells with a Wide Range of Polymer Molecular Weight

Zeng, A., Ma, X., Pan, M., Chen, Y., Ma, R., Zhao, H., … Yan, H. (2021, June 16). ADVANCED FUNCTIONAL MATERIALS, Vol. 6.

By: A. Zeng*, X. Ma*, M. Pan, Y. Chen*, R. Ma*, H. Zhao*, J. Zhang*, H. Kim* ...

co-author countries: China 🇨🇳 Hong Kong 🇭🇰 United States of America 🇺🇸
author keywords: chlorination; molecular weight; organic solar cells; polymer donors
Sources: Web Of Science, ORCID
Added: June 21, 2021

2021 journal article

A Difluoro-Monobromo End Group Enables High-Performance Polymer Acceptor and Efficient All-Polymer Solar Cells Processable with Green Solvent under Ambient Condition

ADVANCED FUNCTIONAL MATERIALS, 31(25).

By: H. Yu*, S. Luo, R. Sun*, I. Angunawela n, Z. Qi, Z. Peng n, W. Zhou, H. Han* ...

co-author countries: China 🇨🇳 Hong Kong 🇭🇰 United States of America 🇺🇸
author keywords: all‐ polymer solar cells; fluorinated end group; polymers; polymer acceptors; solar cells
Sources: Web Of Science, ORCID
Added: May 17, 2021

2021 article

Alkyl-Chain Branching of Non-Fullerene Acceptors Flanking Conjugated Side Groups toward Highly Efficient Organic Solar Cells

Zhang, J., Bai, F., Angunawela, I., Xu, X., Luo, S., Li, C., … Yan, H. (2021, October 29). ADVANCED ENERGY MATERIALS, Vol. 10.

By: J. Zhang*, F. Bai*, I. Angunawela n, X. Xu*, S. Luo*, C. Li*, G. Chai*, H. Yu* ...

co-author countries: China 🇨🇳 Hong Kong 🇭🇰 United States of America 🇺🇸
author keywords: alkyl chain branching; blend morphology control; non-fullerene acceptors; side-chain engineering
Sources: Web Of Science, ORCID
Added: November 8, 2021

2021 journal article

High performance tandem organic solar cells via a strongly infrared-absorbing narrow bandgap acceptor

NATURE COMMUNICATIONS, 12(1).

By: Z. Jia*, S. Qin*, L. Meng*, Q. Ma*, I. Angunawela n, J. Zhang*, X. Li*, Y. He* ...

co-author countries: China 🇨🇳 Germany 🇩🇪 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: April 19, 2021

2021 article

Introducing Low-Cost Pyrazine Unit into Terpolymer Enables High-Performance Polymer Solar Cells with Efficiency of 18.23%

Zhou, L., Meng, L., Zhang, J., Zhu, C., Qin, S., Angunawela, I., … Li, Y. (2021, November 8). ADVANCED FUNCTIONAL MATERIALS, Vol. 11.

By: L. Zhou*, L. Meng*, J. Zhang*, C. Zhu*, S. Qin*, I. Angunawela n, Y. Wan*, H. Ade n, Y. Li*

co-author countries: China 🇨🇳 United States of America 🇺🇸
author keywords: conjugated polymer donors; polymer solar cells; pyrazine units; ternary random copolymerization; terpolymers
Sources: Web Of Science, ORCID
Added: November 15, 2021

2021 journal article

Polymerized small molecular acceptor based all-polymer solar cells with an efficiency of 16.16% via tuning polymer blend morphology by molecular design

NATURE COMMUNICATIONS, 12(1).

By: J. Du*, K. Hu*, J. Zhang*, L. Meng*, J. Yue*, I. Angunawela n, H. Yan*, S. Qin* ...

co-author countries: China 🇨🇳 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: September 20, 2021

2020 journal article

Effect of main and side chain chlorination on the photovoltaic properties of benzodithiophene-alt-benzotriazole polymers

JOURNAL OF MATERIALS CHEMISTRY C, 8(43), 15426–15435.

By: H. Bin*, I. Angunawela n, R. Ma*, A. Nallapaneni*, C. Zhu*, P. Leenaers*, B. Saes*, M. Wienk* ...

co-author countries: China 🇨🇳 Hong Kong 🇭🇰 Netherlands 🇳🇱 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: November 30, 2020

2020 journal article

Effect of the chlorine substitution position of the end-group on intermolecular interactions and photovoltaic performance of small molecule acceptors

ENERGY & ENVIRONMENTAL SCIENCE, 13(12), 5028–5038.

By: X. Li*, I. Angunawela n, Y. Chang*, J. Zhou*, H. Huang*, L. Zhong*, A. Liebman-Pelaez*, C. Zhu* ...

co-author countries: China 🇨🇳 Hong Kong 🇭🇰 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: January 19, 2021

2020 journal article

Effects of Short-Axis Alkoxy Substituents on Molecular Self-Assembly and Photovoltaic Performance of Indacenodithiophene-Based Acceptors

ADVANCED FUNCTIONAL MATERIALS, 30(3).

By: X. Li*, H. Huang*, I. Angunawela n, J. Zhou*, J. Du*, A. Liebman-Pelaez*, C. Zhu*, Z. Zhang* ...

co-author countries: China 🇨🇳 United States of America 🇺🇸
author keywords: molecular self-assembly; morphology; polymer solar cells; side chain engineering; small molecule acceptors
Sources: Web Of Science, ORCID
Added: November 4, 2019

2020 journal article

Green solvent-processed organic solar cells based on a low cost polymer donor and a small molecule acceptor

JOURNAL OF MATERIALS CHEMISTRY C, 8(23), 7718–7724.

By: H. Huang*, X. Li*, C. Sun*, I. Angunawela n, B. Qiu*, J. Du*, S. Qin*, L. Meng* ...

co-author countries: China 🇨🇳 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: July 20, 2020

2020 journal article

High-Performance All-Polymer Solar Cells: Synthesis of Polymer Acceptor by a Random Ternary Copolymerization Strategy

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 59(35), 15181–15185.

By: J. Du*, K. Hu*, L. Meng*, I. Angunawela n, J. Zhang*, S. Qin*, A. Liebman-Pelaez*, C. Zhu* ...

co-author countries: China 🇨🇳 United States of America 🇺🇸
author keywords: copolymerization; mechanical properties; polymers; solar cells; synthetic methods
Sources: Web Of Science, ORCID
Added: June 29, 2020

2020 journal article

Precise Control of Phase Separation Enables 12% Efficiency in All Small Molecule Solar Cells

ADVANCED ENERGY MATERIALS, 10(34).

By: H. Bin*, I. Angunawela n, B. Qiu*, F. Colberts*, M. Li*, M. Dyson*, M. Wienk*, H. Ade n, Y. Li*, R. Janssen*

co-author countries: China 🇨🇳 Netherlands 🇳🇱 United States of America 🇺🇸
author keywords: chlorination; crystallization; organic solar cells; phase separation; small molecular donors
Sources: Web Of Science, ORCID
Added: August 17, 2020

2020 journal article

Side-chain engineering of medium bandgap polymer donors for efficient polymer solar cells

ORGANIC ELECTRONICS, 78.

By: F. Pan*, C. Sun*, H. Bin*, I. Angunawela n, W. Lai*, L. Meng*, H. Ade n, Y. Li*

co-author countries: China 🇨🇳 United States of America 🇺🇸
author keywords: Polymer solar cells; Conjugated polymer donors; Side chain engineering
Sources: Web Of Science, ORCID
Added: March 23, 2020

2020 journal article

Synergistic Use of Pyridine and Selenophene in a Diketopyrrolopyrrole-Based Conjugated Polymer Enhances the Electron Mobility in Organic Transistors

ADVANCED FUNCTIONAL MATERIALS, 30(34).

By: Q. Liu*, S. Kumagai*, S. Manzhos*, Y. Chen*, I. Angunawela n, M. Nahid n, K. Feron*, S. Bottle* ...

co-author countries: Australia 🇦🇺 Canada 🇨🇦 Japan 🇯🇵 Singapore 🇸🇬 United States of America 🇺🇸
author keywords: electron mobility; electron transport; lowest unoccupied molecular orbital; organic field effect transistors; pyridine-flanked diketopyrrolopyrrole; selenophene
Sources: Web Of Science, ORCID
Added: July 13, 2020

2019 journal article

Competition between Exceptionally Long-Range Alkyl Sidechain Ordering and Backbone Ordering in Semiconducting Polymers and Its Impact on Electronic and Optoelectronic Properties

ADVANCED FUNCTIONAL MATERIALS, 29(5).

By: J. Carpenter n, M. Ghasemi n, E. Gann*, I. Angunawela n, S. Stuard n, J. Rech*, E. Ritchie*, . Brendan T. O'Connor n ...

co-author countries: United States of America 🇺🇸
author keywords: molecular design; organic electronics; polymer crystals; semiconducting polymers; sidechains
Sources: Web Of Science, ORCID
Added: February 18, 2019

2019 journal article

Delineation of Thermodynamic and Kinetic Factors that Control Stability in Non-fullerene Organic Solar Cells

JOULE, 3(5), 1328–1348.

By: M. Ghasemi n, H. Hu n, Z. Peng n, J. Rech*, I. Angunawela n, J. Carpenter n, S. Stuard n, A. Wadsworth* ...

co-author countries: United Kingdom of Great Britain and Northern Ireland 🇬🇧 Saudi Arabia 🇸🇦 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: June 4, 2019

2019 journal article

Effect of Replacing Thiophene by Selenophene on the Photovoltaic Performance of Wide Bandgap Copolymer Donors

MACROMOLECULES, 52(12), 4776–4784.

By: L. Zhong*, H. Bin*, I. Angunawela n, Z. Jia*, B. Qiu*, C. Sun*, X. Li*, Z. Zhang*, H. Ade n, Y. Li*

co-author countries: China 🇨🇳 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: July 15, 2019

2019 journal article

High voltage all polymer solar cells with a polymer acceptor based on NDI and benzotriazole

JOURNAL OF MATERIALS CHEMISTRY C, 7(29), 9031–9037.

co-author countries: China 🇨🇳 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: August 12, 2019

2019 journal article

Multi-length scale morphology of nonfullerene all-small molecule blends and its relation to device function in organic solar cells

MATERIALS CHEMISTRY FRONTIERS, 3(1), 137–144.

By: I. Angunawela n, L. Ye n, H. Bin*, Z. Zhang*, A. Gadisa n, Y. Li*, H. Ade n

co-author countries: China 🇨🇳 United States of America 🇺🇸
Sources: Web Of Science, ORCID
Added: January 21, 2019

2018 journal article

High-Efficiency All-Small-Molecule Organic Solar Cells Based on an Organic Molecule Donor with Alkylsilyl-Thienyl Conjugated Side Chains

ADVANCED MATERIALS, 30(27).

By: H. Bin*, J. Yao, Y. Yang*, I. Angunawela n, C. Sun*, L. Gao*, L. Ye n, B. Qiu* ...

co-author countries: China 🇨🇳 United States of America 🇺🇸

Contributors: H. Bin*, J. Yao, Y. Yang*, I. Angunawela n, C. Sun*, L. Gao*, L. Ye n, B. Qiu* ...

author keywords: alkylsilyl-thienyl conjugated side-chains; organic small-molecule donor materials; organic solar cells
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

Improvement of Photovoltaic Performance of Polymer Solar Cells by Rational Molecular Optimization of Organic Molecule Acceptors

ADVANCED ENERGY MATERIALS, 8(23).

By: X. Li*, J. Yao, I. Angunawela n, C. Sun*, L. Xue*, A. Liebman-Pelaez*, C. Zhu*, C. Yang* ...

co-author countries: China 🇨🇳 United States of America 🇺🇸
author keywords: molecular structure optimization; n-type organic semiconductors; organic molecule acceptors; polymer solar cells; power conversion efficiencies
Sources: Web Of Science, ORCID
Added: October 19, 2018