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Mechanical Properties and Failure Behavior of Physically Assembled Triblock Copolymer Gels with Varying Midblock Length

Mishra, Satish; Prado, Rosa M. Badani; Zhang, Song; Lacy, Thomas E.; Gu, Xiaodan; Kundu, Santanu

 (Hydro)gels(Natural) polymersApplicationCharacterizationCustomer publicationsMaterialParticle interactionsPolymer researchSAXSShapeSizeTechnique

Mechanical Properties and Failure Behavior of Physically Assembled Triblock Copolymer Gels with Varying Midblock Length

Mishra, Satish; Prado, Rosa M. Badani; Zhang, Song; Lacy, Thomas E.; Gu, Xiaodan; Kundu, Santanu

Mechanical properties including the failure behavior of physically assembled gels or physical gels are governed by their network structure. To investigate such behavior, we consider a physical gel system consisting of poly(styrene)-poly(isoprene)-poly(styrene) in mineral oil. In these gels, the endblock (PS) molecular weights are not significantly different, whereas, the midblock…
Stabilizing Silver Window Electrodes for Organic Photovoltaics Using a Mercaptosilane Monolayer

Lee, Jaemin; Walker, Marc; Varagnolo, Silvia; Huband, Steven; Hatton, Ross A.

 ApplicationCharacterizationCustomer publicationsGISAXSMaterialMetalsRenewable energyShapeSizeTechniqueThin films

Stabilizing Silver Window Electrodes for Organic Photovoltaics Using a Mercaptosilane Monolayer

Lee, Jaemin; Walker, Marc; Varagnolo, Silvia; Huband, Steven; Hatton, Ross A.

A single layer of the bifunctional molecule 3-mercaptopropyltrimethoxysilane is shown to be remarkably effective at improving the stability of optically thin silver film electrodes toward spontaneous morphological change and oxidation by airborne sulfur. Inclusion of this layer in the novel transparent electrode WO3(30 nm)/silver (13 nm)/sol–gel ZnO (27 nm) at…
Gold and silver dichroic nanocomposite in the quest for 3D printing the Lycurgus cup

Kool, Lars; Dekker, Floris; Bunschoten, Anton; Smales, Glen J.; Pauw, Brian R.; Velders, Aldrik H.; Saggiomo, Vittorio

 (Natural) polymersApplicationCharacterizationCustomer publicationsInorganic materialInorganic materialsMaterialSAXSSelf-assembled materialShapeSizeTechnique

Gold and silver dichroic nanocomposite in the quest for 3D printing the Lycurgus cup

Kool, Lars; Dekker, Floris; Bunschoten, Anton; Smales, Glen J.; Pauw, Brian R.; Velders, Aldrik H.; Saggiomo, Vittorio

The Lycurgus cup is an ancient glass artefact that shows dichroism as it looks green when a white light is reflected on it and a red colouring appears when a white light is transmitted through it. This peculiar dichroic effect is due to silver and gold nanoparticles present in the…
A solvent-free porous liquid comprising hollow nanorod–polymer surfactant conjugates

Kumar, Raj; Dhasaiyan, Prabhu; Naveenkumar, Parinamipura M.; Sharma, Kamendra P.

 ApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialNanoparticles & colloidsOtherParticle interactionsPorous materialSAXSShapeSizeSurfactantsTechnique

A solvent-free porous liquid comprising hollow nanorod–polymer surfactant conjugates

Kumar, Raj; Dhasaiyan, Prabhu; Naveenkumar, Parinamipura M.; Sharma, Kamendra P.

Liquids having permanent porosity can offer significant processing advantages over their solid counterparts. This has recently led to tremendous activity towards the design and development of intrinsic pores in the liquid phase, predominantly for studies involving gas sequestration. We show here the development of a solvent-free mesoporous liquid material based…
Anisotropic polymer nanoparticles with controlled dimensions from the morphological transformation of isotropic seeds

Hua, Zan; Jones, Joseph R.; Thomas, Marjolaine; Arno, Maria C.; Souslov, Anton; Wilks, Thomas R.; O’Reilly, Rachel K.

 (Natural) polymersApplicationCharacterizationCustomer publicationsMaterialNanoparticles & colloidsParticlesPolymer researchSAXSSelf-assembled materialShapeSizeTechnique

Anisotropic polymer nanoparticles with controlled dimensions from the morphological transformation of isotropic seeds

Hua, Zan; Jones, Joseph R.; Thomas, Marjolaine; Arno, Maria C.; Souslov, Anton; Wilks, Thomas R.; O’Reilly, Rachel K.

Understanding and controlling self-assembly processes at multiple length scales is vital if we are to design and create advanced materials. In particular, our ability to organise matter on the nanoscale has advanced considerably, but still lags far behind our skill in manipulating individual molecules. New tools allowing controlled nanoscale assembly…
Collective orientational order and phase behavior of a discotic liquid crystal under nanoscale confinement

Yildirim, Arda; Sentker, Kathrin; Smales, Glen Jacob; Pauw, Brian Richard; Huber, Patrick; Schönhals, Andreas

 ApplicationCharacterizationCustomer publicationsLiquid crystalsMaterialOtherShapeSizeThin films

Collective orientational order and phase behavior of a discotic liquid crystal under nanoscale confinement

Yildirim, Arda; Sentker, Kathrin; Smales, Glen Jacob; Pauw, Brian Richard; Huber, Patrick; Schönhals, Andreas

The phase behavior and molecular ordering of hexakishexyloxy triphenylene (HAT6) DLCs under cylindrical nanoconfinement are studied utilizing differential scanning calorimetry (DSC) and dielectric spectroscopy (DS), where cylindrical nanoconfinement is established through embedding HAT6 into the nanopores of anodic aluminum oxide (AAO) membranes, and a silica membrane with pore diameters ranging…
Role of the Hydrophilic Latex Particle Surface in Water Diffusion into Films from Waterborne Polymer Colloids

Konko, Iuliia; Guriyanova, Svetlana; Boyko, Volodymyr; Sun, Lichao; Liu, Dong; Reck, Bernd; Men, Yongfeng

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsFractal dimensionMaterialNanoparticles & colloidsParticlesSAXSShapeSizeTechnique

Role of the Hydrophilic Latex Particle Surface in Water Diffusion into Films from Waterborne Polymer Colloids

Konko, Iuliia; Guriyanova, Svetlana; Boyko, Volodymyr; Sun, Lichao; Liu, Dong; Reck, Bernd; Men, Yongfeng

The diffusion mechanism and growth of large-scale domains during the immersion of latex films in water have been thoroughly investigated with scattering techniques in a combination with the gravimetric method. Latex dispersions for film formation studies had identical main monomer compositions and only differ in the hydrophilic comonomers that result…
Unprecedented Halide-Ion Binding and Catalytic Activity of Nanoscale Anionic Metal Oxide Clusters

She, Shan; Li, Mu; Li, Qi; Huang, Zehuan; Wei, Yongge; Yin, Panchao

 (Natural) polymersApplicationCharacterizationCustomer publicationsInorganic materialInorganic materialsMaterialSAXSSizeTechnique

Unprecedented Halide-Ion Binding and Catalytic Activity of Nanoscale Anionic Metal Oxide Clusters

She, Shan; Li, Mu; Li, Qi; Huang, Zehuan; Wei, Yongge; Yin, Panchao

One halide ion (X?) can bind on the surface of nanoscale Anderson-type polyoxometalate (POMs) clusters 3AlMo6O18(OH)3, and form stable complexes in solution with binding constant K=1.53×103. Single-crystal structural analysis showed that this binding behavior occurs through multiple hydrogen bonding between X? and three hydroxy groups on the uncapped side of…
Investigation of the internal structure of thermoresponsive diblock poly(2-methyl-2-oxazoline)-b-poly[N-(2,2-difluoroethyl)acrylamide] copolymer nanoparticles

Babuka, David; Kolouchova, Kristyna; Hruby, Martin; Groborz, Ondrej; Tosner, Zdenek; Zhigunov, Alexander; Stepanek, Petr

 (Natural) polymersApplicationCharacterizationCustomer publicationsMaterialNanoparticles & colloidsParticlesSAXSShapeSizeTechniqueTemperature

Investigation of the internal structure of thermoresponsive diblock poly(2-methyl-2-oxazoline)-b-poly[N-(2,2-difluoroethyl)acrylamide] copolymer nanoparticles

Babuka, David; Kolouchova, Kristyna; Hruby, Martin; Groborz, Ondrej; Tosner, Zdenek; Zhigunov, Alexander; Stepanek, Petr

The poly(2-methyl-2-oxazoline)-b-poly self-assembled nanoparticles show great potential in biological applications as, e.g., 19F MRI tumour diagnostic agents. As such their internal structure needs to be thoroughly investigated while the results also help to understand temperature-dependent self-assembly behaviour of copolymers comprised of the hydrophilic and…
Dental Resin Monomer Enables Unique NbO2/Carbon Lithium-Ion Battery Negative Electrode with Exceptional Performance

Ji, Qing; Gao, Xiangwen; Zhang, Qiuju; Jin, Liyu; Wang, Da; Xia, Yonggao; Yin, Shanshan; Xia, Senlin; Hohn, Nuri; Zuo, Xiuxia; Wang, Xiaoyan; Xie, Shuang; Xu, Zhuijun; Ma, Liujia; Chen, Liang; Chen, George Z.; Zhu, Jin; Hu, Binjie; Müller?Buschbaum, Peter; Bruce, Peter G.; Cheng, Ya-Jun

 ApplicationCharacterizationCompositesCustomer publicationsInorganic materialMaterialPorous materialRenewable energySAXSShapeSizeTechnique

Dental Resin Monomer Enables Unique NbO2/Carbon Lithium-Ion Battery Negative Electrode with Exceptional Performance

Ji, Qing; Gao, Xiangwen; Zhang, Qiuju; Jin, Liyu; Wang, Da; Xia, Yonggao; Yin, Shanshan; Xia, Senlin; Hohn, Nuri; Zuo, Xiuxia; Wang, Xiaoyan; Xie, Shuang; Xu, Zhuijun; Ma, Liujia; Chen, Liang; Chen, George Z.; Zhu, Jin; Hu, Binjie; Müller?Buschbaum, Peter; Bruce, Peter G.; Cheng, Ya-Jun

Niobium dioxide (NbO2) features a high theoretical capacity and an outstanding electron conductivity, which makes it a promising alternative to the commercial graphite negative electrode. However, studies on NbO2 based lithium-ion battery negative electrodes have been rarely reported. In the present work, NbO2 nanoparticles homogeneously embedded in a carbon matrix…
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