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Renewable energy

Overcoming efficiency and stability limits in water-processing nanoparticular organic photovoltaics by minimizing microstructure defects

Xie, Chen; Heumüller, Thomas; Gruber, Wolfgang; Tang, Xiaofeng; Classen, Andrej; Schuldes, Isabel; Bidwell, Matthew; Späth, Andreas; Fink, Rainer H.; Unruh, Tobias; McCulloch, Iain; Li, Ning; Brabec, Christoph J.

 ApplicationCharacterizationCrystalline fractionCustomer publicationsGIWAXSMaterialNanoparticles & colloidsPhase analysisRenewable energySAXSSelf-assembled materialTechniqueThin filmsWAXS

Overcoming efficiency and stability limits in water-processing nanoparticular organic photovoltaics by minimizing microstructure defects

Xie, Chen; Heumüller, Thomas; Gruber, Wolfgang; Tang, Xiaofeng; Classen, Andrej; Schuldes, Isabel; Bidwell, Matthew; Späth, Andreas; Fink, Rainer H.; Unruh, Tobias; McCulloch, Iain; Li, Ning; Brabec, Christoph J.

Water-based semiconducting polymer nanoparticles are eco-friendly and non-toxic but their performance suffers from the surfactants. Here Xie et al. design an approach to minimize the amount of residual surfactant in these nanoparticles and make high-efficiency and stability solar…
Efficient perovskite photovoltaic devices using chemically doped PCDTBT as a hole-transport material

Wong-Stringer, Michael; Bishop, James E.; Smith, Joel A.; Mohamad, David K.; Parnell, Andrew J.; Kumar, Vikas; Rodenburg, Cornelia; Lidzey, David G.

 (Natural) polymersCharacteristic dimensionCustomer publicationsGIWAXSRenewable energySelf-assembled material

Efficient perovskite photovoltaic devices using chemically doped PCDTBT as a hole-transport material

Wong-Stringer, Michael; Bishop, James E.; Smith, Joel A.; Mohamad, David K.; Parnell, Andrew J.; Kumar, Vikas; Rodenburg, Cornelia; Lidzey, David G.

It is shown that by chemically doping the carbazole-based conjugated polymer PCDTBT using the molecular materials TBP, LiTFSI and FK209, its conductivity can be increased by a factor of 105 times. Such doped PCDTBT films are used as a hole transport material (HTM) for standard architecture (CH(NH2)2PbI3)0.85(CH3NH3PbBr3)0.15 perovskite solar cells…
Ordered Mesoporous to Macroporous Oxides with Tunable Isomorphic Architectures: Solution Criteria for Persistent Micelle Templates

Lokupitiya, Hasala N.; Jones, Alexis; Reid, Barry; Guldin, Stefan; Stefik, Morgan

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCompositesCustomer publicationsGISAXSGIWAXSInorganic materialMaterialPhase analysisPorous materialRenewable energySAXSSelf-assembled materialSurfactantsTechniqueTemperatureThin filmsWAXS

Ordered Mesoporous to Macroporous Oxides with Tunable Isomorphic Architectures: Solution Criteria for Persistent Micelle Templates

Lokupitiya, Hasala N.; Jones, Alexis; Reid, Barry; Guldin, Stefan; Stefik, Morgan

Porous and nanoscale architectures of inorganic materials have become crucial for a range of energy and catalysis applications, where the ability to control the morphology largely determines the transport characteristics and device performance. Despite the availability of a range of block copolymer self-assembly methods, the conditions for tuning the key…
Bandgap-Tuning in Triple-Chalcogenophene Polymer Films by Thermal Annealing

González, Daniel Moseguí; Raftopoulos, Konstantinos N.; He, Gang; Papadakis, Christine M.; Brown, Alex; Rivard, Eric; Müller-Buschbaum, Peter

 (Natural) polymersApplicationCharacterizationCustomer publicationsMaterialPolymer researchRenewable energySAXSShapeTechniqueTemperatureThin filmsWAXS

Bandgap-Tuning in Triple-Chalcogenophene Polymer Films by Thermal Annealing

González, Daniel Moseguí; Raftopoulos, Konstantinos N.; He, Gang; Papadakis, Christine M.; Brown, Alex; Rivard, Eric; Müller-Buschbaum, Peter

Macromolecular Rapid Communications, 2017, DOI:Visit the full articleBack to the overview
Aqueous Polysulfide–Air Battery with a Mediator-Ion Solid Electrolyte and a Copper Sulfide Catalyst for Polysulfide Redox

Gross, Martha M.; Manthiram, Arumugam

 ApplicationCharacteristic dimensionCharacterizationCustomer publicationsInorganic materialInorganic materialsMaterialRenewable energyTechniqueWAXS

Aqueous Polysulfide–Air Battery with a Mediator-Ion Solid Electrolyte and a Copper Sulfide Catalyst for Polysulfide Redox

Gross, Martha M.; Manthiram, Arumugam

Aqueous sodium polysulfide–air batteries are a promising system for enabling low-cost, high energy density, environmentally benign batteries for grid-scale deployment. However, the sluggish redox kinetics of aqueous polysulfide requires the use of a catalyst. Cobalt sulfide is a traditional catalyst with good activity and stability, but it uses expensive and…
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 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…
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