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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…
Random Organic Nanolaser Arrays for Cryptographic Primitives

Feng, Jiangang; Wen, Wen; Wei, Xiao; Jiang, Xiangyu; Cao, Moyuan; Wang, Xuedong; Zhang, Xiqi; Jiang, Lei; Wu, Yuchen

(Natural) polymersApplicationCharacterizationCustomer publicationsGIWAXSMaterialOrientation analysisOtherSurface structure and patternsTechniqueThin films

Random Organic Nanolaser Arrays for Cryptographic Primitives

Feng, Jiangang; Wen, Wen; Wei, Xiao; Jiang, Xiangyu; Cao, Moyuan; Wang, Xuedong; Zhang, Xiqi; Jiang, Lei; Wu, Yuchen

Next-generation high-security cryptography and communication call for nondeterministic generation and efficient authentication of unclonable bit sequences. Physical unclonable functions using inherent randomness in material and device fabrication process have emerged as promising candidates for realizing one-way cryptographic systems that avoid duplication and attacks. However, previous…
Effect of Phosphaphenanthrene Skeleton in Sulfonated Polyimides for Proton Exchange Membrane Application

Mandal, Arun Kumar; Bisoi, Soumendu; Banerjee, Susanta

(Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialRenewable energySAXSTechnique

Effect of Phosphaphenanthrene Skeleton in Sulfonated Polyimides for Proton Exchange Membrane Application

Mandal, Arun Kumar; Bisoi, Soumendu; Banerjee, Susanta

Sulfonic acid groups containing aromatic polyimides are of great interest as polymer electrolyte membranes owing to their high thermal and mechanical stability, strong resistance to fuel crossover, excellent film-forming ability, and high proton conductivity. However, these polymers generally experience reduced oxidative permanence. To alleviate the problems associated with the oxidative…
Exploiting In-Situ NMR to Monitor the Formation of a Metal-Organic Framework

Jones, Corey; Hughes, Colan; Yeung, Hamish; Paul, Alison; Harris, Kenneth D. M.; Easun, Timothy

ApplicationCharacterizationCustomer publicationsInorganic materialMaterialNanoparticles & colloidsParticle size and size distributionParticlesSAXSTechnique

Exploiting In-Situ NMR to Monitor the Formation of a Metal-Organic Framework

Jones, Corey; Hughes, Colan; Yeung, Hamish; Paul, Alison; Harris, Kenneth D. M.; Easun, Timothy

The formation processes of metal-organic frameworks are increasingly widely researched using in-situ techniques, although there remains a scarcity of NMR studies in the field. In this work, the synthesis of MFM-500(Ni) has been investigated using the Combined Liquid- And Solid-State In?situ Crystallization NMR strategy, which provides information on the time-evolution…
Melt-Spun Nanocomposite Fibers Reinforced with Aligned Tunicate Nanocrystals

Redondo, Alexandre; Chatterjee, Sourav; Brodard, Pierre; Korley, LaShanda T. J.; Weder, Christoph; Gunkel, Ilja; Steiner, Ullrich

(Natural) polymersApplicationCharacterizationCompositesCustomer publicationsFibersMaterialOrientation analysisPolymer researchSAXSTechniqueWAXS

Melt-Spun Nanocomposite Fibers Reinforced with Aligned Tunicate Nanocrystals

Redondo, Alexandre; Chatterjee, Sourav; Brodard, Pierre; Korley, LaShanda T. J.; Weder, Christoph; Gunkel, Ilja; Steiner, Ullrich

The fabrication of nanocomposite films and fibers based on cellulose nanocrystals (P-tCNCs) and a thermoplastic polyurethane (PU) elastomer is reported. High-aspect-ratio P-tCNCs were isolated from tunicates using phosphoric acid hydrolysis, which is a process that affords nanocrystals displaying high thermal stability. Nanocomposites were produced by solvent casting (films) or melt-mixing…