Works (18)

Updated: April 22nd, 2024 07:45

2023 article

A multiscale ion diffusion framework sheds light on the diffusion-stability-hysteresis nexus in metal halide perovskites

Ghasemi, M., Guo, B., Darabi, K., Wang, T., Wang, K., Huang, C.-W., … Amassian, A. (2023, February 27). NATURE MATERIALS.

By: M. Ghasemi n, B. Guo n, K. Darabi n, T. Wang n, K. Wang*, C. Huang*, B. Lefler n, L. Taussig n ...

UN Sustainable Development Goal Categories
Source: Web Of Science
Added: March 20, 2023

2021 journal article

A molecular interaction-diffusion framework for predicting organic solar cell stability

NATURE MATERIALS, 20(4), 525-+.

By: M. Ghasemi n, N. Balar n, Z. Peng n, H. Hu n, Y. Qin n, T. Kim n, J. Rech*, M. Bidwell* ...

MeSH headings : Diffusion; Electric Power Supplies; Kinetics; Models, Chemical; Organic Chemicals / chemistry; Polymers / chemistry; Sunlight; Thermodynamics
TL;DR: It is discovered that the diffusion of an NF-SMA into the donor polymer exhibits Arrhenius behaviour and that the activation energy Ea scales linearly with the enthalpic interaction parameters χH between the polymer and the NF- SMA, and the thermodynamically most unstable, hypo-miscible systems are the most kinetically stabilized. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: February 1, 2021

2021 journal article

Upper and Apparent Lower Critical Solution Temperature Branches in the Phase Diagram of Polymer:Small Molecule Semiconducting Systems

JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 12(44), 10845–10853.

By: Z. Peng n, N. Balar n, M. Ghasemi n & H. Ade

TL;DR: This work aims to understand the phase behavior of conjugated systems by determining phase diagrams spanning extensive temperature ranges for various combinations of the highly disordered semiconducting polymer with crystallizable and noncrystallizable small molecule acceptors. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: November 29, 2021

2020 journal article

The Role of Demixing and Crystallization Kinetics on the Stability of Non-Fullerene Organic Solar Cells

ADVANCED MATERIALS, 32(49).

author keywords: crystallization kinetics; morphology stability; non‐ fullerene acceptors; organic solar cells
TL;DR: The results reveal the importance of diffusion coefficients and melting enthalpies in controlling the growth rates, and that differences in halogenation can drastically change crystallization kinetics and device stability. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: November 24, 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 ...

author keywords: molecular design; organic electronics; polymer crystals; semiconducting polymers; sidechains
TL;DR: The observed influence of ordering between the moieties implies that improved molecular design could produce synergistic rather than destructive ordering effects and should greatly improve the coherence length of backbone ordering and thereby improve electronic and optoelectronic properties such as charge transport and exciton diffusion lengths. (via Semantic Scholar)
UN Sustainable Development Goal Categories
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* ...

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: June 4, 2019

2019 journal article

Highly Efficient, Stable, and Ductile Ternary Nonfullerene Organic Solar Cells from a Two-Donor Polymer Blend

ADVANCED MATERIALS, 31(17).

Contributors: H. Hu n, L. Ye n, M. Ghasemi n, N. Balar n, J. Rech*, S. Stuard n, W. You*, . Brendan T. O'Connor n, H. Ade n

author keywords: mechanical durability; nonhalogenated solvents; stability; ternary solar cells
TL;DR: The study indicates that improved stability and performance can be achieved in a synergistic way without significant embrittlement, which will accelerate the future development and application of nonfullerene OSCs. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: May 13, 2019

2019 journal article

Multi-cation Synergy Suppresses Phase Segregation in Mixed-Halide Perovskites

JOULE, 3(7), 1746–1764.

By: H. Dang n, K. Wang*, M. Ghasemi n, M. Tang*, M. De Bastiani*, E. Aydin*, E. Dauzon*, D. Barrit* ...

UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 5, 2019

2019 journal article

Quenching to the Percolation Threshold in Organic Solar Cells

JOULE, 3(2), 443–458.

By: L. Ye n, S. Li*, X. Liu*, S. Zhang*, M. Ghasemi n, Y. Xiong n, J. Hou*, H. Ade n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: March 18, 2019

2019 journal article

Rational Strategy to Stabilize an Unstable High-Efficiency Binary Nonfullerene Organic Solar Cells with a Third Component

ADVANCED ENERGY MATERIALS, 9(20).

By: Y. Zhu n, A. Gadisa n, Z. Peng n, M. Ghasemi n, L. Ye n, Z. Xu*, S. Zhao*, H. Ade

author keywords: miscibility; morphology stability; nonfullerene acceptors; organic solar cells; thermodynamics
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: June 17, 2019

2019 journal article

The Critical Impact of Material and Process Compatibility on the Active Layer Morphology and Performance of Organic Ternary Solar Cells

ADVANCED ENERGY MATERIALS, 9(2).

By: J. Kim n, C. Schaefer*, T. Ma*, J. Zhao*, J. Turner n, M. Ghasemi n, I. Constantinou n, F. So n ...

author keywords: compatibility; kinetic morphology development; relative standard deviation of the fullerene distribution; solubility; ternary solar cells
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: February 18, 2019

2018 journal article

Quantitative relations between interaction parameter, miscibility and function in organic solar cells

NATURE MATERIALS, 17(3), 253–260.

By: L. Ye n, H. Hu*, M. Ghasemi n, T. Wang*, B. Collins n, J. Kim n, K. Jiang*, J. Carpenter n ...

Contributors: L. Ye n, H. Hu*, M. Ghasemi n, T. Wang*, B. Collins n, J. Kim n, K. Jiang*, J. Carpenter n ...

TL;DR: This work establishes a quantitative ‘constant-kink-saturation’ relation between χaa and the fill factor in organic solar cells that is verified in detail in a model system and delineated across numerous high- and low-performing materials systems, including fullerene and non-fullerene acceptors. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

9.73% Efficiency Nonfullerene All Organic Small Molecule Solar Cells with Absorption-Complementary Donor and Acceptor

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 139(14), 5085–5094.

By: H. Bin*, Y. Yang*, Z. Zhang*, L. Ye n, M. Ghasem n, S. Chen*, Y. Zhang*, C. Zhang* ...

Contributors: H. Bin*, Y. Yang*, Z. Zhang*, L. Ye n, M. Ghasemi n, S. Chen*, Y. Zhang*, C. Zhang* ...

TL;DR: The results indicate that fluorobenzotriazole based 2D conjugated p-OSs are promising medium bandgap donors in the nonfullerene OSCs. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Environmentally-friendly solvent processed fullerenefree organic solar cells enabled by screening halogen-free solvent additives

SCIENCE CHINA-MATERIALS, 60(8), 697–706.

By: W. Zhao*, L. Ye n, S. Li*, X. Liu*, S. Zhang*, Y. Zhang*, M. Ghasemi n, C. He* ...

Contributors: W. Zhao*, L. Ye n, S. Li*, X. Liu*, S. Zhang*, Y. Zhang*, M. Ghasemi n, C. He*, H. Ade n, J. Hou*

author keywords: organic solar cells; halogen-free solvent; morphology; high-efficiency
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Panchromatic Sequentially Cast Ternary Polymer Solar Cells

Advanced Materials, 29(4), 1604603.

Contributors: M. Ghasemi n, L. Ye n, Q. Zhang*, L. Yan*, J. Kim n, O. Awartani n, W. You*, A. Gadisa n, H. Ade n

TL;DR: A sequential-casting ternary method is developed to create stratified bulk heterojunction (BHJ) solar cells, in which the two BHJ layers are spin cast sequentially without the need of adopting a middle electrode and orthogonal solvents. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2017 journal article

Precise Manipulation of Multilength Scale Morphology and Its Influence on Eco-Friendly Printed All-Polymer Solar Cells

Advanced Functional Materials, 27(33), 1702016.

By: L. Ye n, Y. Xiong n, S. Li*, M. Ghasemi n, N. Balar n, J. Turner n, A. Gadisa n, J. Hou* ...

author keywords: green solvents; multilength morphology; nonfullerene solar cells; polymer blends; solvent additives
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2017 journal article

Strong polymer molecular weight-dependent material interactions: impact on the formation of the polymer/fullerene bulk heterojunction morphology

Journal of Materials Chemistry A, 5(25), 13176–13188.

By: J. Kim n, A. Gadisa n, C. Schaefer, H. Yao*, B. Gautam n, N. Balar n, M. Ghasemi n, I. Constantinou n ...

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2016 journal article

High Performance Organic Solar Cells Processed by Blade Coating in Air from a Benign Food Additive Solution

Chemistry of Materials, 28(20), 7451–7458.

By: L. Ye n, Y. Xiong n, H. Yao*, A. Dinku, H. Zhang*, S. Li*, M. Ghasemi n, N. Balar n ...

Contributors: L. Ye n, Y. Xiong n, H. Yao*, A. Gadisa n, H. Zhang*, S. Li*, M. Ghasemi n, N. Balar n ...

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

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