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Dielectric and flash DSC investigations on an epoxy based nanocomposite system with MgAl layered double hydroxide as nanofiller

Szymoniak, Paulina; Li, Zhi; Wang, De-Yi; Schönhals, Andreas

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCompositesCustomer publicationsFractal dimensionMaterialPolymer researchSAXSTechniqueWAXS

Dielectric and flash DSC investigations on an epoxy based nanocomposite system with MgAl layered double hydroxide as nanofiller

Szymoniak, Paulina; Li, Zhi; Wang, De-Yi; Schönhals, Andreas

Nanocomposites based on MgAL layered double hydroxides (LDH) and an epoxy resin were prepared and investigated by a combination of complementary methods. As epoxy resin Bisphenol A diglycidyl ether (DGEBA) was used with Diethylenetriamine as curing agent. The LDH was modified with taurine, which acts as an additional crosslinking agent…
Trifluoromethyl and benzyl ether side groups containing novel sulfonated co-poly(ether imide)s: Application in microbial fuel cell

Kumar, Anaparthi Ganesh; Saha, Sayantani; Komber, Hartmut; Tiwari, Bikash Ranjan; Ghangrekar, Makarand M.; Voit, Brigitte; Banerjee, Susanta

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialRenewable energySAXSTechnique

Trifluoromethyl and benzyl ether side groups containing novel sulfonated co-poly(ether imide)s: Application in microbial fuel cell

Kumar, Anaparthi Ganesh; Saha, Sayantani; Komber, Hartmut; Tiwari, Bikash Ranjan; Ghangrekar, Makarand M.; Voit, Brigitte; Banerjee, Susanta

A new diamine monomer namely 4,4′-((2′,5′-bis(benzyloxy)-3,3′'-bis(trifluoromethyl)--4,4′'-diyl)bis(oxy))dianiline (TADBE) was prepared. A series of sulfonated co-poly(ether imide)s was synthesized using this diamine as one of the co-monomers along with 4,4′-diaminostilbene-2,2′-disulfonic acid (DSDSA) on reaction with a six-membered dianhydride, 1,4,5,8-naphthalene…
Restricting Effect of Solvent Aggregates on Distribution and Mobility of CuCl2 in Homogenous Catalysis

Wang, Yongtao; Wang, Guanqi; Yao, Jia; Li, Haoran

 ApplicationCatalystsCharacteristic dimensionCharacterizationCustomer publicationsInorganic materialInorganic materialsMaterialSAXSTechniqueWAXS

Restricting Effect of Solvent Aggregates on Distribution and Mobility of CuCl2 in Homogenous Catalysis

Wang, Yongtao; Wang, Guanqi; Yao, Jia; Li, Haoran

Extensive experimental and theoretical studies have proven the existence of solvent aggregates in alcohols, and some attempts have been made to explore the uneven distribution of solutes. Here, we studied the distribution and mobility of CuCl2 in 3-hexanol and ethanol and investigated the aerobic oxidation of 2,3,6-trimethylphenol under these systems.…
Fabrication and investigation of 3D tuned PEG/PEDOT: PSS treated conductive and durable cotton fabric for superior electrical conductivity and flexible electromagnetic interference shielding

Ghosh, Sabyasachi; Ganguly, Sayan; Remanan, Sanjay; Das, Narayan Ch

 (Natural) polymersApplicationCharacterizationCustomer publicationsMaterialPolymer researchSAXSSizeTechnique

Fabrication and investigation of 3D tuned PEG/PEDOT: PSS treated conductive and durable cotton fabric for superior electrical conductivity and flexible electromagnetic interference shielding

Ghosh, Sabyasachi; Ganguly, Sayan; Remanan, Sanjay; Das, Narayan Ch

Promotions of conducting e-textiles are drawing attention for mitigating electromagnetic radiation pollution. Probably it is a huge challenge to gain long-term durable and stable fabric for all-weather outdoor application. In this work, a facile dip coating design has been adopted to fabricate PEG/PEDOT: PSS treated fabric. The high electrical conductivity…
TBAH/Urea/H2O solvent for room temperature wet-spinning of cellulose and optimization of drawing process

Zhang, Jingyu; Wang, Mengdie; Li, Wei; Wei, Wei; Li, Jinyang; Jiang, Man; Wang, Yong; Zhou, Zuowan

 (Natural) polymersApplicationCharacterizationCustomer publicationsFibersMaterialOrientation analysisPolymer researchSAXSTechnique

TBAH/Urea/H2O solvent for room temperature wet-spinning of cellulose and optimization of drawing process

Zhang, Jingyu; Wang, Mengdie; Li, Wei; Wei, Wei; Li, Jinyang; Jiang, Man; Wang, Yong; Zhou, Zuowan

TBAH(tetra-butylammonium hydroxide)/Urea/H2O solvent has been applied for the solvent wet-spinning of cellulose, due to its room temperature operation, good stability and spinnability of the cellulose solution, as well as the unconditional string of low DP (degree of polymerization) for dissolving cellulose. Most importantly, it is found that the stability of…
Over 16% efficiency organic photovoltaic cells enabled by a chlorinated acceptor with increased open-circuit voltages

Cui, Yong; Yao, Huifeng; Zhang, Jianqi; Zhang, Tao; Wang, Yuming; Hong, Ling; Xian, Kaihu; Xu, Bowei; Zhang, Shaoqing; Peng, Jing; Wei, Zhixiang; Gao, Feng; Hou, Jianhui

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsGIWAXSMaterialOrientation analysisRenewable energySurface structure and patternsTechnique

Over 16% efficiency organic photovoltaic cells enabled by a chlorinated acceptor with increased open-circuit voltages

Cui, Yong; Yao, Huifeng; Zhang, Jianqi; Zhang, Tao; Wang, Yuming; Hong, Ling; Xian, Kaihu; Xu, Bowei; Zhang, Shaoqing; Peng, Jing; Wei, Zhixiang; Gao, Feng; Hou, Jianhui

Broadening the optical absorption of organic photovoltaic (OPV) materials by enhancing the intramolecular push-pull effect is a general and effective method to improve the power conversion efficiencies of OPV cells. However, in terms of the electron acceptors, the most common molecular design strategy of halogenation usually results in down-shifted molecular…
Structure Evolution of Polyethylene in Sequential Biaxial Stretching along the First Tensile Direction

Chen, Qiang; Chen, Dandan; Kang, Jian; Cao, Ya; Chen, Jinyao

 (Natural) polymersApplicationCharacterizationCrystalline fractionCustomer publicationsMaterialOrientation analysisOtherPhase analysisPolymer researchSAXSTechnique

Structure Evolution of Polyethylene in Sequential Biaxial Stretching along the First Tensile Direction

Chen, Qiang; Chen, Dandan; Kang, Jian; Cao, Ya; Chen, Jinyao

Two linear low-density polyethylene samples (PE-A and PE-B), with similar melt index and molecular weight but different molecular structures, were used to explore the structural evolution during sequential biaxial stretching. Only PE-A could be successfully stretched into a film with the biaxial draw ratio of 6 × 6. The interlamellae…
Improving the Stability and Monodispersity of Layered Cesium Lead Iodide Perovskite Thin Films by Tuning Crystallization Dynamics

Hadi, Atefe; Ryan, Bradley J.; Nelson, Rainie D.; Santra, Kalyan; Lin, Fang-Yi; Cochran, Eric W.; Panthani, Matthew G.

 ApplicationCharacterizationCustomer publicationsGIWAXSInorganic materialMaterialOrientation analysisRenewable energySurface structure and patternsTechnique

Improving the Stability and Monodispersity of Layered Cesium Lead Iodide Perovskite Thin Films by Tuning Crystallization Dynamics

Hadi, Atefe; Ryan, Bradley J.; Nelson, Rainie D.; Santra, Kalyan; Lin, Fang-Yi; Cochran, Eric W.; Panthani, Matthew G.

Assembling halide perovskites into layered structures holds promise for addressing chemical and phase stability challenges; however, several other challenges need to be addressed to create efficient and stable halide perovskite devices. Layered halide perovskites (LHPs) suffer from a broad distribution of layer thicknesses and band gaps within thin films. Reducing polydispersity…
Wet spinning and radial self-assembly of a carbohydrate low molecular weight gelator into well organized hydrogel filaments

Chalard, Anaïs; Joseph, Pierre; Souleille, Sandrine; Lonetti, Barbara; Saffon-Merceron, Nathalie; Loubinoux, Isabelle; Vaysse, Laurence; Malaquin, Laurent; Fitremann, Juliette

 (Hydro)gelsApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialOtherPhase analysisSAXSTechniqueWAXS

Wet spinning and radial self-assembly of a carbohydrate low molecular weight gelator into well organized hydrogel filaments

Chalard, Anaïs; Joseph, Pierre; Souleille, Sandrine; Lonetti, Barbara; Saffon-Merceron, Nathalie; Loubinoux, Isabelle; Vaysse, Laurence; Malaquin, Laurent; Fitremann, Juliette

In this work, we describe how a simple single low molecular weight gelator (LMWG) molecule – N-heptyl-D-galactonamide, which is easy to produce at the gram scale – is spun into gel filaments by a wet spinning process based on solvent exchange. A solution of the gelator in DMSO is injected…
Sustainable network polymer via dynamic metal ionic crosslinks

Wang, Yanjun; Lei, Yuan; Zhou, Changlin; Wu, Bo; Jiang, Yuanyuan; Lei, Jingxin

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialPolymer researchSAXSTechnique

Sustainable network polymer via dynamic metal ionic crosslinks

Wang, Yanjun; Lei, Yuan; Zhou, Changlin; Wu, Bo; Jiang, Yuanyuan; Lei, Jingxin

Incorporating reversible dynamic linkages into the polymer networks endows traditional thermosets with recyclability and reprocessability. However, the facile preparation of recyclable polymer networks with suitable stability and acceptable cost is still a challenge. Among various dynamic linkages, ionic bonds promise a rational dynamic linkage in virtue of suitable stability and…
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