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(Natural) polymers

Effects of energy-level offset between a donor and acceptor on the photovoltaic performance of non-fullerene organic solar cells

Yang, Chenyi; Zhang, Jianqi; Liang, Ningning; Yao, Huifeng; Wei, Zhixiang; He, Chang; Yuan, Xiaotao; Hou, Jianhui

 (Natural) polymersApplicationCharacterizationCustomer publicationsGIWAXSMaterialOrientation analysisRenewable energySurface structure and patternsTechniqueThin films

Effects of energy-level offset between a donor and acceptor on the photovoltaic performance of non-fullerene organic solar cells

Yang, Chenyi; Zhang, Jianqi; Liang, Ningning; Yao, Huifeng; Wei, Zhixiang; He, Chang; Yuan, Xiaotao; Hou, Jianhui

Minimizing the energy-level offset between a donor and acceptor in order to reduce energy loss (Eloss) is a hot topic in the field of organic solar cells (OSCs). However, for non-fullerene OSCs, the discussion concerning the relationship between energy-level offset and device performance has not yet reached a general conclusion…
Nano-confined crystallization of organic ultrathin nanostructure arrays with programmable geometries

Gao, Hanfei; Qiu, Yuchen; Feng, Jiangang; Li, Shuang; Wang, Huijie; Zhao, Yuyan; Wei, Xiao; Jiang, Xiangyu; Su, Yewang; Wu, Yuchen; Jiang, Lei

 (Natural) polymersApplicationCharacterizationCustomer publicationsGIWAXSMaterialOtherSurface structure and patternsTechniqueThin films

Nano-confined crystallization of organic ultrathin nanostructure arrays with programmable geometries

Gao, Hanfei; Qiu, Yuchen; Feng, Jiangang; Li, Shuang; Wang, Huijie; Zhao, Yuyan; Wei, Xiao; Jiang, Xiangyu; Su, Yewang; Wu, Yuchen; Jiang, Lei

Fabricating ultrathin organic semiconductor nanostructures attracts wide attention towards integrated electronic and optoelectronic applications. However, the fabrication of ultrathin organic nanostructures with precise alignment, tunable morphology and high crystallinity for device integration remains challenging. Herein, an assembly technique for fabricating ultrathin organic single-crystal…
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…
A π-Conjugated, Covalent Phosphinine Framework

Huang, Jieyang; Tarábek, Ján; Kulkarni, Ranjit; Wang, Cui; Dracínský, Martin; Smales, Glen J.; Tian, Yu; Ren, Shijie; Pauw, Brian R.; Resch-Genger, Ute; Bojdys, Michael J.

 (Natural) polymersApplicationCharacterizationCustomer publicationsMaterialPolymer researchPore size and pore size distributionPorous materialSAXSTechnique

A π-Conjugated, Covalent Phosphinine Framework

Huang, Jieyang; Tarábek, Ján; Kulkarni, Ranjit; Wang, Cui; Dracínský, Martin; Smales, Glen J.; Tian, Yu; Ren, Shijie; Pauw, Brian R.; Resch-Genger, Ute; Bojdys, Michael J.

Structural modularity of polymer frameworks is a key advantage of covalent organic polymers, however, only C, N, O, Si, and S have found their way into their building blocks so far. Here, the toolbox available to polymer and materials chemists is expanded by one additional nonmetal, phosphorus. Starting with a…
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…
Mechanistic understanding of monovalent cation transport in eumelanin pigments

Tian, Zhen; Hwang, Wonseok; Kim, Young Jo

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialPolymer researchSAXSTechniqueWAXS

Mechanistic understanding of monovalent cation transport in eumelanin pigments

Tian, Zhen; Hwang, Wonseok; Kim, Young Jo

Recent research advances in charge-conducting materials have enabled the transformation of the naturally-occurring materials into crucial components in many technologies, including renewable energy storage devices or bioelectronics. Among various candidates, eumelanins are promising charge storage materials, exhibiting hybrid electronic ionic conductivity in a hydrated environment. The chemical…
Mutually-complementary structure design towards highly stretchable elastomers with robust strength and autonomous self-healing property

Wu, Bo; Liu, Zhimeng; Lei, Yuan; Wang, Yi; Liu, Qinfeng; Yuan, Anqian; Zhao, Yuanyang; Zhang, Xi; Lei, Jingxin

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialPolymer researchSAXSTechnique

Mutually-complementary structure design towards highly stretchable elastomers with robust strength and autonomous self-healing property

Wu, Bo; Liu, Zhimeng; Lei, Yuan; Wang, Yi; Liu, Qinfeng; Yuan, Anqian; Zhao, Yuanyang; Zhang, Xi; Lei, Jingxin

Achieving good transparency, high strength and superior extensibility simultaneously in autonomic self-healing elastomers remains challenging and fascinating. Herein, a complementary design strategy of combining densely distributed multiple hydrogen bonds (H bonds) and loosely packed spacer units in supramolecular elastomer was reported to address the inherent contradiction of robust strength and…
Self-assembly of a silicon-containing side-chain liquid crystalline block copolymer in bulk and in thin films: kinetic pathway of a cylinder to sphere transition

Liao, Fen; Shi, Ling-Ying; Cheng, Li-Chen; Lee, Sangho; Ran, Rong; Yager, Kevin G.; Ross, Caroline A.

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsLiquid crystalsMaterialPhase analysisPolymer researchSAXSSelf-assembled materialTechniqueTemperature

Self-assembly of a silicon-containing side-chain liquid crystalline block copolymer in bulk and in thin films: kinetic pathway of a cylinder to sphere transition

Liao, Fen; Shi, Ling-Ying; Cheng, Li-Chen; Lee, Sangho; Ran, Rong; Yager, Kevin G.; Ross, Caroline A.

The self-assembly of a high-? silicon-containing side-chain liquid crystalline block copolymer (LC BCP) in bulk and in thin films is reported, and the structural transition process from the hexagonally packed cylinder (HEX) to the body-centered cubic structure (BCC) in thin films was examined by both reciprocal and real space experimental…
Kinetics-controlled synthesis of hierarchically porous materials with tunable properties from diverse building blocks

Xie, Lei; Wang, Zhe; Liu, Jinrong; Gong, Yutong; Mao, Shanjun; Lü, Guofeng; Ma, Xiao; Yu, Lili; Wang, Yong

 (Natural) polymersApplicationCharacterizationCrystalline fractionCustomer publicationsMaterialPolymer researchPorous materialSAXSTechnique

Kinetics-controlled synthesis of hierarchically porous materials with tunable properties from diverse building blocks

Xie, Lei; Wang, Zhe; Liu, Jinrong; Gong, Yutong; Mao, Shanjun; Lü, Guofeng; Ma, Xiao; Yu, Lili; Wang, Yong

The easy hydrothermal method is a potential candidate for the preparation of carbohydrate-derived hierarchically porous polymers (HPPs) and carbons (HPCs). However, owing to the uncontrolled reaction rate and the weak affinity between precursors and soft templates, the synthesis of HPPs and HPCs with tunable properties through this method remains a…
Shape and phase controlled synthesis of mesostructured carbon single crystals through mesoscale self-assembly of reactive monomicelles and their unprecedented exfoliation into single-layered carbon nanoribbons

Wang, Tianping; Sun, Yanbin; Wu, Jiali; Liu, Xiangyang; Pan, Ruping; Liu, Xikui

 (Natural) polymersApplicationCharacterizationCustomer publicationsMaterialNanoparticles & colloidsPhase analysisPorous materialSAXSSelf-assembled materialTechnique

Shape and phase controlled synthesis of mesostructured carbon single crystals through mesoscale self-assembly of reactive monomicelles and their unprecedented exfoliation into single-layered carbon nanoribbons

Wang, Tianping; Sun, Yanbin; Wu, Jiali; Liu, Xiangyang; Pan, Ruping; Liu, Xikui

The formation of mesostructured polymer and carbon single-crystals is very difficult due to increased complexity of the energy hypersurface and the role of slowed-down kinetics. Here we reported the synthesis of ordered mesostructured phloroglucinol-formaldehyde single crystals through mesoscale self-assembly of reactive monomicelles under acidic conditions which were traditionally thought very…
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