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Guided Assembly of Block Copolymers in Three-Dimensional Woodpile Scaffolds

Choi, Jaewon; Koo, Sangmo; Sakellari, Ioanna; Kim, Hyeyoung; Su, Zhengliang; Carter, Kenneth R.; Farsari, Maria; Grigoropoulos, Costas P.; Russell, Thomas P.

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialPhase analysisPolymer researchSAXSTechnique

Guided Assembly of Block Copolymers in Three-Dimensional Woodpile Scaffolds

Choi, Jaewon; Koo, Sangmo; Sakellari, Ioanna; Kim, Hyeyoung; Su, Zhengliang; Carter, Kenneth R.; Farsari, Maria; Grigoropoulos, Costas P.; Russell, Thomas P.

Three-dimensional (3D) nanofabrication using the directed self-assembly of block copolymers (BCPs) holds great promise for the nanoscale device fabrication and integration into 3D architectures over large areas with high element densities. In this work, a robust platform is developed for building 3D BCP architectures with tailored functionality using 3D micron-scale…
Size-Selective Adsorption in Nanoporous Polymers from Coumarin Photo-Cross-Linked Columnar Liquid Crystals

Concellón, Alberto; Schenning, Albertus P. H. J.; Romero, Pilar; Marcos, Mercedes; Serrano, José Luis

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsLiquid crystalsMaterialPhase analysisPolymer researchPore size and pore size distributionProteins & DNA/RNASelf-assembled materialTechniqueWAXS

Size-Selective Adsorption in Nanoporous Polymers from Coumarin Photo-Cross-Linked Columnar Liquid Crystals

Concellón, Alberto; Schenning, Albertus P. H. J.; Romero, Pilar; Marcos, Mercedes; Serrano, José Luis

We have prepared nanoporous polymers from columnar hexagonal hydrogen-bonded complexes, whose order is fixed by coumarin photoinduced cycloaddition (photodimerization). Two different hydrogen-bonded complexes were used and consisted of a melamine (M) or tris(triazolyl)triazine (T) derivative acting as central templates and three peripheral carboxylic acids containing coumarin units. These…
Thermomechanical and Conductive Properties of Thiol–Ene Poly(ionic liquid) Networks Containing Backbone and Pendant Imidazolium Groups

Bratton, Abigail F.; Kim, Sung-Soo; Ellison, Christopher J.; Miller, Kevin M.

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialOtherPolymer researchRenewable energySAXSSelf-assembled materialTechniqueTemperatureWAXS

Thermomechanical and Conductive Properties of Thiol–Ene Poly(ionic liquid) Networks Containing Backbone and Pendant Imidazolium Groups

Bratton, Abigail F.; Kim, Sung-Soo; Ellison, Christopher J.; Miller, Kevin M.

A series of covalently cross-linked poly(ionic liquid) networks were prepared using thiol–ene “click” photopolymerization. In these networks, imidazolium groups are placed in the backbone and pendant to the main chain, creating a “hybrid”-type network architecture. The pendant imidazolium groups were incorporated into the networks from monofunctional “ene” monomers that contained…
Effects of Urea and TMAO on Lipid Self-Assembly under Osmotic Stress Conditions

Pham, Quoc Dat; Wolde-Kidan, Amanuel; Gupta, Anirudh; Schlaich, Alexander; Schneck, Emanuel; Netz, Roland R.; Sparr, Emma

 ApplicationCharacteristic dimensionCharacterizationCustomer publicationsLipidsMaterialOtherPhase analysisSAXSSelf-assembled materialTechniqueWAXS

Effects of Urea and TMAO on Lipid Self-Assembly under Osmotic Stress Conditions

Pham, Quoc Dat; Wolde-Kidan, Amanuel; Gupta, Anirudh; Schlaich, Alexander; Schneck, Emanuel; Netz, Roland R.; Sparr, Emma

Most land-living organisms regularly experience dehydration. In nature, one commonly applied strategy to protect against this osmotic stress is to introduce small polar molecules with low vapor pressure, commonly called osmolytes. Two examples of naturally occurring small polar compounds are urea and trimethylamine N-oxide (TMAO), which are known to have…
Effects of fluorination and thermal annealing on charge recombination processes in polymer bulk-heterojunction solar cells

Más-Montoya, Miriam; Li, Junyu; Wienk, Martijn M.; Meskers, Stefan CJ; Janssen, René AJ

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCrystalline fractionCustomer publicationsGIWAXSMaterialPolymer researchRenewable energyTechniqueThin films

Effects of fluorination and thermal annealing on charge recombination processes in polymer bulk-heterojunction solar cells

Más-Montoya, Miriam; Li, Junyu; Wienk, Martijn M.; Meskers, Stefan CJ; Janssen, René AJ

Journal of Materials Chemistry A, 2018, vol 6, 40, pp. 19520–19531DOI:Back to the overview
The Impact of Device Polarity on the Performance of Polymer–Fullerene Solar Cells

Li, Mengmeng; Li, Junyu; Di Carlo Rasi, Dario; Colberts, Fallon JM; Wang, Junke; Heintges, Gaël HL; Lin, Baojun; Li, Weiwei; Ma, Wei; Wienk, Martijn M.

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCrystalline fractionCustomer publicationsGIWAXSMaterialPolymer researchRenewable energyTechniqueThin films

The Impact of Device Polarity on the Performance of Polymer–Fullerene Solar Cells

Li, Mengmeng; Li, Junyu; Di Carlo Rasi, Dario; Colberts, Fallon JM; Wang, Junke; Heintges, Gaël HL; Lin, Baojun; Li, Weiwei; Ma, Wei; Wienk, Martijn M.

Advanced Energy Materials, 2018, pp. 1800550DOI:Back to the overview
An Isoindigo-Based “Double-Cable” Conjugated Polymer for Single-Component Polymer Solar Cells

Yu, Changshi; Xu, Yunhua; Li, Cheng; Feng, Guitao; Yang, Fan; Li, Junyu; Li, Weiwei

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCrystalline fractionCustomer publicationsGIWAXSMaterialPhase analysisPolymer researchRenewable energyTechniqueThin films

An Isoindigo-Based “Double-Cable” Conjugated Polymer for Single-Component Polymer Solar Cells

Yu, Changshi; Xu, Yunhua; Li, Cheng; Feng, Guitao; Yang, Fan; Li, Junyu; Li, Weiwei

Chinese Journal of Chemistry, 2018, vol 36, 6, pp. 515–518DOI:Back to the overview
The effect of side-chain substitution on the aggregation and photovoltaic performance of diketopyrrolopyrrole-alt-dicarboxylic ester bithiophene polymers

Heuvel, Ruurd; Colberts, Fallon J. M.; Li, Junyu; Wienk, Martijn M.; Janssen, René A. J.

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCrystalline fractionCustomer publicationsGIWAXSMaterialRenewable energyTechniqueThin films

The effect of side-chain substitution on the aggregation and photovoltaic performance of diketopyrrolopyrrole-alt-dicarboxylic ester bithiophene polymers

Heuvel, Ruurd; Colberts, Fallon J. M.; Li, Junyu; Wienk, Martijn M.; Janssen, René A. J.

Using a dicarboxylic ester bithiophene (DCBT) co-monomer, electron-withdrawing ester groups are introduced on the two central thiophene rings of an alternating donor–acceptor polymer (PDPP4T) consisting of diketopyrrolopyrrole (DPP) and quaterthiophene (4T) to increase the oxidation potential and reduce the photon energy loss in solar cells. To counteract the increased solubility…
Influence of silicone distribution and mobility on the oxygen permeability of model silicone hydrogels

Seitz, Michelle E.; Wiseman, Meredith E.; Hilker, Iris; Loos, Joachim; Tian, Mingwen; Li, Junyu; Goswami, Mithun; Litvinov, Victor M.; Curtin, Scott; Bulters, Markus

 (Hydro)gels(Natural) polymersApplicationCharacteristic dimensionCharacterizationCosmetics & consumer careCustomer publicationsMaterialParticle size and size distributionParticlesPolymer researchSAXSTechnique

Influence of silicone distribution and mobility on the oxygen permeability of model silicone hydrogels

Seitz, Michelle E.; Wiseman, Meredith E.; Hilker, Iris; Loos, Joachim; Tian, Mingwen; Li, Junyu; Goswami, Mithun; Litvinov, Victor M.; Curtin, Scott; Bulters, Markus

Polymer, 2017, vol 118pp. 150–162DOI:Back to the overview
Pore size dependent cation adsorption in a nanoporous polymer film derived from a plastic columnar phase

Bhattacharjee, Subham; Lugger, Jody AM; Sijbesma, Rint P.

 (Natural) polymersApplicationCharacterizationCustomer publicationsLiquid crystalsMaterialPolymer researchPore size and pore size distributionSelf-assembled materialTechniqueTemperatureThin filmsWAXS

Pore size dependent cation adsorption in a nanoporous polymer film derived from a plastic columnar phase

Bhattacharjee, Subham; Lugger, Jody AM; Sijbesma, Rint P.

Chemical Communications, 2018, vol 54, 68, pp. 9521–9524DOI:Back to the overview
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