Wei Ma

Works (17)

Updated: December 5th, 2023 10:19

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 * ...

author keywords: chlorination; molecular weight; organic solar cells; polymer donors
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: June 21, 2021

2018 journal article

Effect of Ring-Fusion on Miscibility and Domain Purity: Key Factors Determining the Performance of PDI-Based Nonfullerene Organic Solar Cells

ADVANCED ENERGY MATERIALS, 8(26).

By: H. Hu n, Y. Li*, J. Zhang *, Z. Peng n, L. Ma*, J. Xin*, J. Huang*, T. Ma* ...

author keywords: average domain purity; miscibility; nonfullerene organic solar cells; perylene diimide; ring fusion
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: October 16, 2018

2015 journal article

A Large-Bandgap Conjugated Polymer for Versatile Photovoltaic Applications with High Performance

ADVANCED MATERIALS, 27(31), 4655–4660.

By: M. Zhang *, X. Guo *, W. Ma n, H. Ade n  & J. Hou *

author keywords: large bandgap; molecular energy levels; polymer solar cells; semitransparent
TL;DR: A new copolymer PM6 based on fluorothienyl-substituted benzodithiophene is synthesized and characterized, and the inverted polymer solar cells based on PM6 exhibit excellent performance and power conversion efficiency. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 journal article

Tuning Local Molecular Orientation-Composition Correlations in Binary Organic Thin Films by Solution Shearing

ADVANCED FUNCTIONAL MATERIALS, 25(21), 3131–3137.

By: W. Ma n, J. Reinspach*, Y. Zhou *, Y. Diao *, T. McAfee n, S. Mannsfeld *, Z. Bao *, H. Ade n 

author keywords: molecular orientation; organic functional thin films; X-ray scattering; solution shearing
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

A Polythiophene Derivative with Superior Properties for Practical Application in Polymer Solar Cells

ADVANCED MATERIALS, 26(33), 5880–5885.

By: M. Zhang *, X. Guo *, W. Ma n, H. Ade n  & J. Hou *

author keywords: polythiophenes; carboxylates; energy level; polymer solar cells
TL;DR: A polythiophene derivative called PDCBT, which has a backbone of thiophene units and just carboxylate functional groups to modulate its properties, exhibits properties superior to those of poly(3-hexylthiopane), the classic polythyphene derivative, when used as an electron donor in polymer solar cells (PSCs). (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

Aggregation and morphology control enables multiple cases of high-efficiency polymer solar cells

NATURE COMMUNICATIONS, 5.

By: Y. Liu *, J. Zhao *, Z. Li *, C. Mu *, W. Ma n, H. Hu *, K. Jiang *, H. Lin *, H. Ade n , H. Yan *

TL;DR: The uncovered aggregation and design rules yield three high-efficiency (>10%) donor polymers and will allow further synthetic advances and matching of both the polymer and fullerene materials, potentially leading to significantly improved performance and increased design flexibility. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

An Easy and Effective Method to Modulate Molecular Energy Level of the Polymer Based on Benzodithiophene for the Application in Polymer Solar Cells

ADVANCED MATERIALS, 26(13), 2089–2095.

By: M. Zhang *, X. Guo *, W. Ma n, S. Zhang *, L. Huo *, H. Ade n , J. Hou *

author keywords: molecular energy level; polymer solar cell; polymer; efficiency
TL;DR: The polymer solar cells based on the polymer consisting meta-alkoxy-phenyl groups as conjugated side chain, PBT-OP, shows an enhanced open circuit voltage and thus higher efficiency of 7.50%, under the illumination of AM 1.5G, 100 mW/cm(2). (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

Enhanced Photovoltaic Performance by Modulating Surface Composition in Bulk Heterojunction Polymer Solar Cells Based on PBDTTT-C-T/PC71BM

ADVANCED MATERIALS, 26(24), 4043–4049.

By: X. Guo *, M. Zhang *, W. Ma n, L. Ye* , S. Zhang *, S. Liu *, H. Ade n , F. Huang *, J. Hou *

Contributors: X. Guo *, M. Zhang *, W. Ma n, L. Ye* , S. Zhang *, S. Liu *, H. Ade n , F. Huang *, J. Hou *

author keywords: solvent additives; morphology; polymer solar cells; surface composition
TL;DR: The use of 1,8-diiodooctane as the solvent additive enriches the polymer at the top surface, so that a power conversion efficiency of 9.13% is recorded in the inverted polymer solar cell based on the blend, which is much higher than that of the device with conventional structure. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

High Performance All-Polymer Solar Cell via Polymer Side-Chain Engineering

ADVANCED MATERIALS, 26(22), 3767–3772.

By: Y. Zhou *, T. Kurosawa *, W. Ma n, Y. Guo *, L. Fang *, K. Vandewal *, Y. Diao *, C. Wang * ...

TL;DR: Acknowledge support from the Office of Naval Research (N00014-14-1-0142), KAUST Center for Advanced Molecular Photovoltaics at Stanford and the Stanford Global Climate and Energy Program, NSF DMR-1303742 and the National Natural Science Foundation of China. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

High-Efficiency All-Polymer Solar Cells Based on a Pair of Crystalline Low-Bandgap Polymers

ADVANCED MATERIALS, 26(42), 7224–7230.

By: C. Mu *, P. Liu *, W. Ma n, K. Jiang *, J. Zhao *, K. Zhang *, Z. Chen, Z. Wei * ...

author keywords: low bandgap polymer; all polymer solar cell; domain size; resonant soft X-ray scattering
TL;DR: All-polymer solar cells based on a pair of crystalline low-bandgap polymers (NT and N2200) are demonstrated to achieve a high short-circuit current density and power conversion efficiency under the standard AM1.5G spectrum with one sun intensity. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

Quantification of Nano- and Mesoscale Phase Separation and Relation to Donor and Acceptor Quantum Efficiency, J(SC), and FF in Polymer:Fullerene Solar Cells

ADVANCED MATERIALS, 26(25), 4234–4241.

By: W. Ma n, J. Tumbleston n, L. Ye* , C. Wang *, J. Hou * & H. Ade n 

Contributors: W. Ma n, J. Tumbleston n, L. Ye* , C. Wang *, J. Hou * & H. Ade n 

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

The influence of molecular orientation on organic bulk heterojunction solar cells

NATURE PHOTONICS, 8(5), 385–391.

By: J. Tumbleston n, B. Collins n, L. Yang *, A. Stuart *, E. Gann n, W. Ma n, W. You *, H. Ade n 

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2013 journal article

Competition between morphological attributes in the thermal annealing and additive processing of polymer solar cells

Journal of Materials Chemistry C, 1(33), 5023–5030.

By: W. Ma, L. Ye, S. Zhang, J. Hou & H. Ade 

Source: NC State University Libraries
Added: August 6, 2018

2013 journal article

Domain Purity, Miscibility, and Molecular Orientation at Donor/Acceptor Interfaces in High Performance Organic Solar Cells: Paths to Further Improvement

ADVANCED ENERGY MATERIALS, 3(7), 864–872.

By: W. Ma n, J. Tumbleston n, M. Wang *, E. Gann n, F. Huang * & H. Ade n 

author keywords: domain purity; miscibility; morphology; organic solar cells; interface structure; orientational ordering; soft x-ray scattering; R-SoXS; P-SoXS
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2013 journal article

Molecular Design toward Efficient Polymer Solar Cells with High Polymer Content

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 135(23), 8464–8467.

By: D. Qian *, W. Ma n, Z. Li *, X. Guo *, S. Zhang *, L. Ye* , H. Ade n , Z. Tan *, J. Hou *

Contributors: D. Qian *, W. Ma n, Z. Li *, X. Guo *, S. Zhang *, L. Ye* , H. Ade n , Z. Tan *, J. Hou *

MeSH headings : Absorption; Electric Power Supplies; Molecular Structure; Particle Size; Photochemical Processes; Polymers / chemical synthesis; Polymers / chemistry; Solar Energy; Surface Properties; Thiophenes / chemical synthesis; Thiophenes / chemistry
TL;DR: This work provides a successful example of using molecular structure as a tool to realize optimal photovoltaic performance with high polymer content, thus enabling the realization of efficient photoabsorption in very thin films. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

PDT-S-T: A New Polymer with Optimized Molecular Conformation for Controlled Aggregation and pi-pi Stacking and Its Application in Efficient Photovoltaic Devices

ADVANCED MATERIALS, 25(25), 3449–3455.

By: Y. Wu *, Z. Li *, W. Ma n, Y. Huang *, L. Huo *, X. Guo *, M. Zhang *, H. Ade n , J. Hou *

author keywords: low bandgap polymers; polymer solar cells; molecular conformation; crystallinity
TL;DR: The results show that more linear backbone structure is helpful to improve photovoltaic properties of the polymer, and therefore, molecular conformation should be considered for molecular design of photvoltaic polymers. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 journal article

From Binary to Ternary Solvent: Morphology Fine-tuning of D/A Blends in PDPP3T-based Polymer Solar Cells

ADVANCED MATERIALS, 24(47), 6335–6341.

By: L. Ye* , S. Zhang *, W. Ma n, B. Fan*, X. Guo *, Y. Huang *, H. Ade n , J. Hou *

Contributors: L. Ye* , S. Zhang *, W. Ma n, B. Fan*, X. Guo *, Y. Huang *, H. Ade n , J. Hou *

author keywords: diketopyrrolopyrrole; polymer solar cells; ternary mixed solvent; morphology; domain purity
TL;DR: This work finds systematic variations in the surface texture, the bulk compositional morphology, and the crystallization behavior of the PDPP3T/PCBM system and relates them to device performance. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

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