Works (20)

Updated: July 11th, 2023 18:30

2016 article

Origins of polarization-dependent anisotropic X-ray scattering from organic thin films

Gann, E., Collins, B. A., Tang, M., Tumbleston, J. R., Mukherjee, S., & Ade, H. (2016, January). JOURNAL OF SYNCHROTRON RADIATION, Vol. 23, pp. 219–227.

By: E. Gann n, B. Collins, M. Tang n, J. Tumbleston n, S. Mukherjee n & H. Ade n

author keywords: polarization; scattering; RSoXS; PSoXS; resonant scattering; simulation
TL;DR: Anisotropic scattering patterns are found to allow unambiguous identification of the mechanism of local molecular orientation correlations and, as such, promise to be both distinct and complementary to isotropic scattering intensity as a general measure of thin film microstructure. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

Importance of Domain Purity and Molecular Packing in Efficient Solution-Processed Small-Molecule Solar Cells

ADVANCED MATERIALS, 27(6), 1105–1111.

By: S. Mukherjee n, C. Proctor*, J. Tumbleston n, G. Bazan*, T. Nguyen* & H. Ade n

TL;DR: Connections are delineated between solar-cell performance, charge-carrier mobilities, and morphology in a highperformance molecular solar cell and the observations show that maximizing the relative phase purity and structural order while simultaneously limiting the domain size may be essential for achieving optimal solar- cell performances in solution-processed small-molecule solar cells. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

Additive-assisted supramolecular manipulation of polymer:fullerene blend phase morphologies and its influence on photophysical processes

Mater. Horiz., 1(2), 270–279.

By: E. Buchaca-Domingo*, A. Ferguson*, F. Jamieson*, T. McCarthy-Ward*, S. Shoaee*, J. Tumbleston n, O. Reid*, L. Yu* ...

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

2014 journal article

Controlling Molecular Weight of a High Efficiency Donor-Acceptor Conjugated Polymer and Understanding Its Significant Impact on Photovoltaic Properties

ADVANCED MATERIALS, 26(26), 4456-+.

By: W. Li*, L. Yang*, J. Tumbleston n, L. Yan*, H. Ade n & W. You*

TL;DR: The study of a set ofPBnDT-FTAZ polymers with different MWs reveals that the MW significantly influences the morphology and structural order of PBnDTFTAZ in its bulk heterojunction solar cells, with the highest efficiency achieved with the use of a MW of 40 000 g mol(-1) . (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

Mobility-Controlled Performance of Thick Solar Cells Based on Fluorinated Copolymers

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 136(44), 15566–15576.

By: W. Li*, S. Abrecht, L. Yang*, S. Roland*, J. Tumbleston n, T. McAfee n, L. Yan*, M. Kelly* ...

TL;DR: This work reports that a single parameter, hole mobility, determines the fill factor of several hundred nanometer thick bulk heterojunction photovoltaic devices based on a series of copolymers with varying amount of fluorine substitution. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

Morphology linked to miscibility in highly amorphous semi-conducting polymer/fullerene blends

POLYMER, 55(19), 4884–4889.

By: J. Tumbleston n, L. Yang*, W. You* & H. Ade n

author keywords: Organic solar cells; X-ray scattering; Bulk heterojunction
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
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
Added: August 6, 2018

2014 journal article

Quantifying Charge Extraction in Organic Solar Cells: The Case of Fluorinated PCPDTBT

JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 5(7), 1131–1138.

By: S. Albrecht*, J. Tumbleston n, S. Janietz*, I. Dumsch*, S. Allard*, U. Scherf*, H. Ade n, D. Neher*

TL;DR: It is shown that the slower average extraction due to lower mobility accounts for the moderate fill factor when solar cells are fabricated with mono- or difluorinated PCPDTBT, rendering the monofluorinate derivative the most efficient donor polymer. (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

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, ORCID
Added: August 6, 2018

2014 journal article

Topographic measurement of buried thin-film interfaces using a grazing resonant soft x-ray scattering technique

PHYSICAL REVIEW B, 90(24).

By: E. Gann n, A. Watson n, J. Tumbleston n, J. Cochran*, H. Yan n, C. Wang*, J. Seok n, M. Chabinyc*, H. Ade n

UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

Understanding the Morphology of PTB7: PCBM Blends in Organic Photovoltaics

ADVANCED ENERGY MATERIALS, 4(5).

By: F. Liu*, W. Zhao*, J. Tumbleston n, C. Wang*, Y. Gu*, D. Wang*, A. Briseno*, H. Ade n, T. Russell*

author keywords: organic photovoltaics; structure-property relationships; morphology; low bandgap polymers; crystallization; diffusion
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

Disentangling the impact of side chains and fluorine substituents of conjugated donor polymers on the performance of photovoltaic blends

ENERGY & ENVIRONMENTAL SCIENCE, 6(1), 316–326.

By: L. Yang*, J. Tumbleston n, H. Zhou*, H. Ade n & W. You*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
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, ORCID
Added: August 6, 2018

2013 journal article

Fluorinated Polymer Yields High Organic Solar Cell Performance for a Wide Range of Morphologies

Advanced Functional Materials, 23(27), 3463–3470.

By: J. Tumbleston n, A. Stuart*, E. Gann n, W. You* & H. Ade n

author keywords: organic solar cells; soft X-ray scattering; molecular miscibility; roll-to-roll processing; morphology; PBnDT-FTAZ
UN Sustainable Development Goal Categories
Sources: Web Of Science, Crossref, ORCID
Added: August 6, 2018

2013 journal article

Fluorine Substituents Reduce Charge Recombination and Drive Structure and Morphology Development in Polymer Solar Cells

Journal of the American Chemical Society, 135(5), 1806–1815.

By: A. Stuart, J. Tumbleston n, H. Zhou, W. Li, S. Liu, H. Ade n, W. You

MeSH headings : Electric Power Supplies; Electrochemical Techniques; Fluorine / chemistry; Models, Molecular; Molecular Structure; Oxidation-Reduction; Polymers / chemical synthesis; Polymers / chemistry; Solar Energy
TL;DR: The disclosed "fluorine" impact not only explains the efficiency increase from 4% of PBnDT-DTBT (0F) to 7% with PBn DT-DTffBT (2F) but also suggests fluorine substitution should be generally considered in the future design of new polymers. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, Crossref, ORCID
Added: August 6, 2018

2013 journal article

Modifications in Morphology Resulting from Nanoimprinting Bulk Heterojunction Blends for Light Trapping Organic Solar Cell Designs

ACS Applied Materials & Interfaces, 5(16), 8225–8230.

By: J. Tumbleston n, A. Gadisa, Y. Liu, B. Collins n, E. Samulski, R. Lopez, H. Ade n

author keywords: organic solar cells; light trapping; bulk heterojunction morphology; X-ray microscopy; X-ray diffraction; nanoimprinting
MeSH headings : Absorption; Crystallization; Electric Power Supplies; Fullerenes / chemistry; Light; Polymers / chemistry; Solar Energy; Thiophenes / chemistry
TL;DR: It is demonstrated that imprinting poly(3-hexylthiophene) (P3HT) and fullerene BHJ blends leads to adverse morphological changes within the photoactive nanopattern which have been previously overlooked. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2013 journal article

On the role of intermixed phases in organic photovoltaic blends

Energy & Environmental Science, 6(9), 2756.

By: P. Westacott*, J. Tumbleston n, S. Shoaee*, S. Fearn*, J. Bannock*, J. Gilchrist*, S. Heutz*, J. deMello* ...

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

2013 journal article

Synthesis, solid-state, and charge-transport properties of conjugated polythiophene-S,S-dioxides

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 51(1), 48–56.

By: J. Cochran*, E. Amir*, K. Sivanandan*, S. Ku*, J. Seo*, B. Collins n, J. Tumbleston n, M. Toney* ...

author keywords: polythiophene; polythiophene-S; S-dioxides; semiconducting polymers; thin film; X-ray scattering
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

The Importance of Fullerene Percolation in the Mixed Regions of Polymer-Fullerene Bulk Heterojunction Solar Cells

ADVANCED ENERGY MATERIALS, 3(3), 364–374.

By: J. Bartelt*, Z. Beiley*, E. Hoke*, W. Mateker*, J. Douglas*, B. Collins n, J. Tumbleston n, K. Graham* ...

author keywords: organic electronics; photovoltaic devices; solar cells; bulk heterojunctions; charge transport
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2011 journal article

Miscibility, Crystallinity, and Phase Development in P3HT/PCBM Solar Cells: Toward an Enlightened Understanding of Device Morphology and Stability

JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 2(24), 3135–3145.

By: B. Collins n, J. Tumbleston n & H. Ade n

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

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