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Smectic liquid crystal Schlieren texture in rapidly cooled poly(butylene naphthalate)

Ding, Qian; Jehnichen, Dieter; Göbel, Michael; Soccio, Michelina; Lotti, Nadia; Cavallo, Dario; Androsch, René

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Smectic liquid crystal Schlieren texture in rapidly cooled poly(butylene naphthalate)

Ding, Qian; Jehnichen, Dieter; Göbel, Michael; Soccio, Michelina; Lotti, Nadia; Cavallo, Dario; Androsch, René

The morphology of partially crystalline/ordered poly(butylene naphthalate) (PBN) forming on cooling the melt has been analyzed by polarized-light optical microscopy (POM) and microfocus-beam X-ray diffraction (XRD). Crystallization at rather low supercooling of the melt, at temperatures higher than about 200 °C, leads to slow and irregular spherulitic growth of β′-crystals, with…
On cellulose dissolution and aggregation in aqueous tetrabutylammonium hydroxide

Gubitosi, Marta; Duarte, Hugo; Gentile, Luigi; Olsson, Ulf; Medronho, Bruno

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On cellulose dissolution and aggregation in aqueous tetrabutylammonium hydroxide

Gubitosi, Marta; Duarte, Hugo; Gentile, Luigi; Olsson, Ulf; Medronho, Bruno

Aqueous tetrabutylammonium hydroxide, TBAH(aq), has been found to dissolve cellulose and to be a potential solvent for chemical processing or fiber spinning. In this paper, we have investigated the dissolution state of cellulose in 40 wt % TBAH(aq) solvent, and present an extensive study of rheology, combined with static light…
Nanosheets of Nonlayered Aluminum Metal–Organic Frameworks through a Surfactant-Assisted Method

Pustovarenko, Alexey; Goesten, Maarten G.; Sachdeva, Sumit; Shan, Meixia; Amghouz, Zakariae; Belmabkhout, Youssef; Dikhtiarenko, Alla; Rodenas, Tania; Keskin, Damla; Voets, Ilja K.; Weckhuysen, Bert M.; Eddaoudi, Mohamed; Smet, Louis C. P. M. de; Sudhölter, Ernst J. R.; Kapteijn, Freek; Seoane, Beatriz; Gascon, Jorge

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Nanosheets of Nonlayered Aluminum Metal–Organic Frameworks through a Surfactant-Assisted Method

Pustovarenko, Alexey; Goesten, Maarten G.; Sachdeva, Sumit; Shan, Meixia; Amghouz, Zakariae; Belmabkhout, Youssef; Dikhtiarenko, Alla; Rodenas, Tania; Keskin, Damla; Voets, Ilja K.; Weckhuysen, Bert M.; Eddaoudi, Mohamed; Smet, Louis C. P. M. de; Sudhölter, Ernst J. R.; Kapteijn, Freek; Seoane, Beatriz; Gascon, Jorge

During the last decade, the synthesis and application of metal–organic framework (MOF) nanosheets has received growing interest, showing unique performances for different technological applications. Despite the potential of this type of nanolamellar materials, the synthetic routes developed so far are restricted to MOFs possessing layered structures, limiting further development in…
Switchable Charge Injection Barrier in an Organic Supramolecular Semiconductor

Gorbunov, Andrey V.; Haedler, Andreas T.; Putzeys, Tristan; Zha, R. Helen; Schmidt, Hans-Werner; Kivala, Milan; Urbanavičiu̅tė, Indre; Wübbenhorst, Michael; Meijer, E. W.; Kemerink, Martijn

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Switchable Charge Injection Barrier in an Organic Supramolecular Semiconductor

Gorbunov, Andrey V.; Haedler, Andreas T.; Putzeys, Tristan; Zha, R. Helen; Schmidt, Hans-Werner; Kivala, Milan; Urbanavičiu̅tė, Indre; Wübbenhorst, Michael; Meijer, E. W.; Kemerink, Martijn

We disclose a supramolecular material that combines semiconducting and dipolar functionalities. The material consists of a discotic semiconducting carbonyl-bridged triarylamine core, which is surrounded by three dipolar amide groups. In thin films, the material self-organizes in a hexagonal columnar fashion through π-stacking of the molecular core and hydrogen bonding between…
Potential enthalpic energy of water in oils exploited to control supramolecular structure

Zee, Nathan J. Van; Adelizzi, Beatrice; Mabesoone, Mathijs F. J.; Meng, Xiao; Aloi, Antonio; Zha, R. Helen; Lutz, Martin; Filot, Ivo A. W.; Palmans, Anja R. A.; Meijer, E. W.

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Potential enthalpic energy of water in oils exploited to control supramolecular structure

Zee, Nathan J. Van; Adelizzi, Beatrice; Mabesoone, Mathijs F. J.; Meng, Xiao; Aloi, Antonio; Zha, R. Helen; Lutz, Martin; Filot, Ivo A. W.; Palmans, Anja R. A.; Meijer, E. W.

Nature, 2018, vol 558, 7708, pp. 100-103DOI:10.1038/s41586-018-0169-0Visit the full articleBack to the overview
Characterization of the NISTmAb Reference Material using small-angle scattering and molecular simulation : Part II: Concentrated protein solutions.

Castellanos, M. M.; Mattison, K.; Krueger, S.; Curtis, J. E.

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Characterization of the NISTmAb Reference Material using small-angle scattering and molecular simulation : Part II: Concentrated protein solutions.

Castellanos, M. M.; Mattison, K.; Krueger, S.; Curtis, J. E.

Abstract: Protein-protein interactions in monoclonal antibody solutions are important for the stability of a therapeutic drug and directly…
Hydrogen evolution at conjugated polymer nanoparticle electrodes

Fortin, Patrick; Rajasekar, Subash; Chowdhury, Pankaj; Holdcroft, Steven

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Hydrogen evolution at conjugated polymer nanoparticle electrodes

Fortin, Patrick; Rajasekar, Subash; Chowdhury, Pankaj; Holdcroft, Steven

Organic polymer nanoparticles have been gaining attention in photovoltaics as a means to control the morphology of polymer composite films for the purpose of studying bulk heterojunction, photoactive layers. This work investigates the preparation of nanostructured organic thin films from P3HT:PC61BM nanoparticles and their characterization as photoelectrodes for the photoelectrochemical…
The Different Roles of Entropy and Solubility in High Entropy Alloy Stability

Ruiz-Yi, Benjamin; Bunn, Jonathan Kenneth; Stasak, Drew; Mehta, Apurva; Besser, Matthew; Kramer, Matthew J.; Takeuchi, Ichiro; Hattrick-Simpers, Jason

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The Different Roles of Entropy and Solubility in High Entropy Alloy Stability

Ruiz-Yi, Benjamin; Bunn, Jonathan Kenneth; Stasak, Drew; Mehta, Apurva; Besser, Matthew; Kramer, Matthew J.; Takeuchi, Ichiro; Hattrick-Simpers, Jason

Multiprincipal element high entropy alloys stabilized as a single alloy phase represent a new material system with promising properties, such as high corrosion and creep resistance, sluggish diffusion, and high temperature tensile strength. However, the mechanism of stabilization to form single phase alloys is controversial. Early studies hypothesized that a…
Efficient visible light-driven water oxidation and proton reduction by an ordered covalent triazine-based framework

Xie, Jijia; A. Shevlin, Stephen; Ruan, Qiushi; A. Moniz, Savio J.; Liu, Yangrong; Liu, Xu; Li, Yaomin; Ching Lau, Chi; Xiao Guo, Zheng; Tang, Junwang

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Efficient visible light-driven water oxidation and proton reduction by an ordered covalent triazine-based framework

Xie, Jijia; A. Shevlin, Stephen; Ruan, Qiushi; A. Moniz, Savio J.; Liu, Yangrong; Liu, Xu; Li, Yaomin; Ching Lau, Chi; Xiao Guo, Zheng; Tang, Junwang

Energy & Environmental Science, 2018, vol 11, 6, pp. 1617-1624DOI:10.1039/C7EE02981KVisit the full articleBack to the overview
Molecular Structure, Chain Dimensions, and Linear Rheology of Poly(4-vinylbiphenyl)

López-Barrón, Carlos R.; Zhou, Huaxing; Younker, Jarod M.; Mann, Jason A.

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Molecular Structure, Chain Dimensions, and Linear Rheology of Poly(4-vinylbiphenyl)

López-Barrón, Carlos R.; Zhou, Huaxing; Younker, Jarod M.; Mann, Jason A.

The linear viscoelasticity and molecular structure of a series of poly(4-vinylbiphenyl) (PVBP) samples with polydispersities ranging from 1.08 to 2.75 are investigated using wide-angle X-ray scattering (WAXS), small-angle neutron scattering (SANS), and rheological measurements. PVBP chain dimensions, such as statistical segment length, persistence length, and packing length, are obtained from…
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