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(Natural) polymers

A strong influence of the positions of solubilizing alkyl side chains on optoelectronic and photovoltaic properties of TTBTBTT-based conjugated polymers

Akkuratov, A. V.; Susarova, D. K.; Moskvin, Y. L.; Anokhin, D. V.; Chernyak, A. V.; Prudnov, F. A.; Novikov, D. V.; Babenko, S. D.; Troshin, P. A.

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsGIWAXSMaterialRenewable energyTechnique

A strong influence of the positions of solubilizing alkyl side chains on optoelectronic and photovoltaic properties of TTBTBTT-based conjugated polymers

Akkuratov, A. V.; Susarova, D. K.; Moskvin, Y. L.; Anokhin, D. V.; Chernyak, A. V.; Prudnov, F. A.; Novikov, D. V.; Babenko, S. D.; Troshin, P. A.

We report the synthesis and comparative study of five conjugated polymers P1–P5 with different arrangements of two solubilizing 2-ethylhexyl side chains in their repeating units. It has been shown that positioning of the alkyl substituents affects strongly frontier energy levels of the polymers and results in variation of their optical…
Clustering-Triggered Emission and Persistent Room Temperature Phosphorescence of Sodium Alginate

Dou, Xueyu; Zhou, Qing; Chen, Xiaohong; Tan, Yeqiang; He, Xin; Lu, Ping; Sui, Kunyan; Tang, Ben Zhong; Zhang, Yongming; Yuan, Wang Zhang

 (Natural) polymersApplicationCharacterizationCustomer publicationsGIWAXSMaterialOtherPolymer researchTechnique

Clustering-Triggered Emission and Persistent Room Temperature Phosphorescence of Sodium Alginate

Dou, Xueyu; Zhou, Qing; Chen, Xiaohong; Tan, Yeqiang; He, Xin; Lu, Ping; Sui, Kunyan; Tang, Ben Zhong; Zhang, Yongming; Yuan, Wang Zhang

Nonconventional biomacromolecular luminogens have attracted extensive interest due to their fundamental importance and potential applications in diverse areas. To explore novel luminogens and, moreover, to gain deeper insights into their emission mechanism, we study the emission behaviors of sodium alginate (SA), a natural anionic polysaccharide composed of mannuronic (M) and…
Enhanced intramolecular charge transfer of unfused electron acceptors for efficient organic solar cells

Qin, Ran; Yang, Weitao; Li, Shuixing; Lau, Tsz-Ki; Yu, Zhipeng; Liu, Zhang; Shi, Minmin; Lu, Xinhui; Li, Chang-Zhi; Chen, Hongzheng

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsGISAXSGIWAXSMaterialOrientation analysisRenewable energyTechnique

Enhanced intramolecular charge transfer of unfused electron acceptors for efficient organic solar cells

Qin, Ran; Yang, Weitao; Li, Shuixing; Lau, Tsz-Ki; Yu, Zhipeng; Liu, Zhang; Shi, Minmin; Lu, Xinhui; Li, Chang-Zhi; Chen, Hongzheng

It is promising, yet challenging, to employ molecules of slight synthetic complexity to construct efficient and low-cost organic solar cells (OSCs). Herein, two unfused acceptors, DF-TCIC and HF-TCIC, were developed for OSC applications, in which the 3,4-difluorothiophene core connected through a cyclopentadithiophene (CPDT) bridge to 1,1-dicyanomethylene-3-indanone derivatives (IC for DF-TCIC…
An inverted planar solar cell with 13% efficiency and a sensitive visible light detector based on orientation regulated 2D perovskites

Lian, Xiaomei; Chen, Jiehuan; Fu, Ruilin; Lau, Tsz-Ki; Zhang, Yingzhu; Wu, Gang; Lu, Xinhui; Fang, Yanjun; Yang, Deren; Chen, Hongzheng

 (Natural) polymersApplicationCharacterizationCustomer publicationsGIWAXSMaterialOrientation analysisOtherRenewable energyTechnique

An inverted planar solar cell with 13% efficiency and a sensitive visible light detector based on orientation regulated 2D perovskites

Lian, Xiaomei; Chen, Jiehuan; Fu, Ruilin; Lau, Tsz-Ki; Zhang, Yingzhu; Wu, Gang; Lu, Xinhui; Fang, Yanjun; Yang, Deren; Chen, Hongzheng

Improving the film quality is of great importance in promoting the power conversion efficiency (PCE) of 2D perovskite-based solar cells (PVSCs), but the solution to this issue is limited. In this work, a strategy of combining the advantages of the ammonium thiocyanate (NH4SCN) additive and merged annealing (MA) process was…
High-Efficiency Construction of CO2-Based Healable Thermoplastic Elastomers via a Tandem Synthetic Strategy

Yang, Guan-Wen; Wu, Guang-Peng

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialPolymer researchSAXSTechnique

High-Efficiency Construction of CO2-Based Healable Thermoplastic Elastomers via a Tandem Synthetic Strategy

Yang, Guan-Wen; Wu, Guang-Peng

The alternating copolymerization of CO2/epoxides to polycarbonates (CO2–PCs) has been an area of research focus because of the growing concern about energy and the environment. Regardless of the enormous progress that has been made, the lack of functionalities and inert chemical structure of CO2-based polycarbonates greatly limit the scope of…
Redox-Activatable ATP-Depleting Micelles with Dual Modulation Characteristics for Multidrug-Resistant Cancer Therapy

Wang, Hebin; Li, Yang; Zhang, Miaozun; Wu, Di; Shen, Youqing; Tang, Guping; Ping, Yuan

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialNanoparticles & colloidsParticlesSAXSTechnique

Redox-Activatable ATP-Depleting Micelles with Dual Modulation Characteristics for Multidrug-Resistant Cancer Therapy

Wang, Hebin; Li, Yang; Zhang, Miaozun; Wu, Di; Shen, Youqing; Tang, Guping; Ping, Yuan

A fast adenosine triphosphate (ATP)-depleting micellar system that is activated by intracellular redox for the codelivery of anticancer drug paclitaxel (PTX) and small interference RNA (siRNA) targeting polo-like kinase1 (PLK1) is developed to address the key challenges of multidrug-resistant (MDR) cancer therapy. The ATP-depleting micelle is self-assembled from a redox-responsive…
Sticky ends in a self-assembling ABA triblock copolymer: the role of ureas in stimuli-responsive hydrogels

T. Shafranek, Ryan; D. Leger, Joel; Zhang, Song; Khalil, Munira; Gu, Xiaodan; Nelson, Alshakim

 (Natural) polymersApplicationCharacterizationCustomer publicationsMaterialPhase analysisPolymer researchSAXSTechnique

Sticky ends in a self-assembling ABA triblock copolymer: the role of ureas in stimuli-responsive hydrogels

T. Shafranek, Ryan; D. Leger, Joel; Zhang, Song; Khalil, Munira; Gu, Xiaodan; Nelson, Alshakim

Directing polymer self-assembly through noncovalent interactions is a powerful way to control the structure and function of nanoengineered materials. Dynamic hydrogen bonds are particularly useful for materials with structures that change over time or in response to specific stimuli. In the present work, we use the supramolecular association of urea…
Unique Isodimorphism of Poly(decamethylene succinate-ran-decamethylene fumarate): Large Pseudoeutectic Region and Fantastic Crystallization/Melting Behavior

Ye, Hai-Mu; Wang, Jing; Wang, Cai-Shui; Li, Hong-Fang

 (Natural) polymersApplicationCharacterizationCustomer publicationsFractal dimensionMaterialPhase analysisPolymer researchSAXSTechniqueTemperature

Unique Isodimorphism of Poly(decamethylene succinate-ran-decamethylene fumarate): Large Pseudoeutectic Region and Fantastic Crystallization/Melting Behavior

Ye, Hai-Mu; Wang, Jing; Wang, Cai-Shui; Li, Hong-Fang

Poly(decamethylene succinate-ran-decamethylene fumarate)s (PDSFs) were synthesized, and their structure and crystallization behavior were systematically studied. All polyesters possess high crystallizability irrespective of composition and display the widest pseudoeutectic region that has been reported to date. Nevertheless, both melting point– and crystallization temperature–composition…
High Performance Thermoplastic Elastomers with Biomass Lignin as Plastic Phase

Huang, Jinhao; Liu, Weifeng; Qiu, Xueqing

 (Natural) polymersApplicationCharacterizationCompositesCustomer publicationsFractal dimensionMaterialPhase analysisPolymer researchSAXSTechnique

High Performance Thermoplastic Elastomers with Biomass Lignin as Plastic Phase

Huang, Jinhao; Liu, Weifeng; Qiu, Xueqing

For the first time, the coordination-based energy sacrificial bonds have been constructed in the interface between lignin and polyolefin elastomer for preparing a new class of high performance thermoplastic elastomers (TPEs) with biomass lignin as the hard plastic phase. The coordination bonds not only promoted the dispersion of lignin, but…
Liquid crystalline side-chain triblock copolymers consisting of a nematic central subblock edged by photochromic azobenzene-containing fragments: their synthesis, structure and photooptical behaviour

Boiko, N. I.; Bugakov, M. A.; Chernikova, E. V.; Piryazev, A. A.; Odarchenko, Ya I.; Ivanov, D. A.; Shibaev, V. P.

 (Natural) polymersApplicationCharacterizationCustomer publicationsMaterialPhase analysisPolymer researchSAXSTechniqueWAXS

Liquid crystalline side-chain triblock copolymers consisting of a nematic central subblock edged by photochromic azobenzene-containing fragments: their synthesis, structure and photooptical behaviour

Boiko, N. I.; Bugakov, M. A.; Chernikova, E. V.; Piryazev, A. A.; Odarchenko, Ya I.; Ivanov, D. A.; Shibaev, V. P.

For the first time, symmetrical photosensitive fully liquid crystalline side chain triblock copolymers (pAzo-b-pPhM-b-pAzo) and random copolymers (pAzo-ran-pPhM) with nematogenic phenyl benzoate (PhM) and photosensitive smectogenic azobenzene containing groups (Azo) were synthesized by the combination of RAFT polymerization and subsequent chemical modification. The central block of synthesized…
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