Article
Chemistry, Multidisciplinary
Arumugam Pirashanthan, Thirunavukarasu Kajana, Dhayalan Velauthapillai, Yohi Shivatharsiny, Said Bentouba, Punniamoorthy Ravirajan
Summary: Hybrid TiO2/P3HT heterojunction solar cells have the potential to become cost-effective solar technology in the future, but their power conversion efficiency is currently limited. The use of interface modifiers has been shown to enhance the photovoltaic performance of these cells. However, further research and understanding are needed to overcome the challenges in developing this technology.
Article
Chemistry, Multidisciplinary
Weida Zeng, Peirong Li, Yun Huang, Ao Xia, Xianqing Zhu, Xun Zhu, Qiang Liao
Summary: This study explored the essential principle of microalgal cell adhesion onto solid substrates from the perspective of the interaction energy between microalgal cells and solid substrates. The influence of surface properties between microalgal cells and solid substrates on interaction energies was discussed. The results showed that surface properties, including surface potential and surface free energy components, significantly affect the adhesion tendency of microalgal cells on different solid substrates.
Article
Chemistry, Multidisciplinary
Yuqian Yang, Qiu Xiong, Jihuai Wu, Yongguang Tu, Tianxiao Sun, Guixiang Li, Xuping Liu, Xiaobing Wang, Yitian Du, Chunyan Deng, Lina Tan, Yuelin Wei, Yu Lin, Yunfang Huang, Miaoliang Huang, Weihai Sun, Leqing Fan, Yiming Xie, Jianming Lin, Zhang Lan, Valerio Stacchinii, Artem Musiienko, Qin Hu, Peng Gao, Antonio Abate, Mohammad Khaja Nazeeruddin
Summary: This study introduces a novel strategy of spinodal decomposition to create a poly(3-hexylthiophene)/perovskite (P3HT/PVK) heterointerface, effectively reducing energy and carrier losses in perovskite solar cells (PSCs). The P3HT/PVK heterointerface improves energy alignment, reducing energy loss at the interface, and the interpenetrating structure bridges a transport channel, decreasing carrier loss at the interface. This innovative approach achieves a remarkable power conversion efficiency of 24.53% for PSCs.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Analytical
S. C. Perry, S. Arumugam, S. Beeby, I. Nandhakumar
Summary: A template-free method for electrochemical deposition of P3HT has been developed. Electrodeposition is preceded by an electrochemical nucleation step, enabling the production of a uniform film without the need for pre-treatment of the electrode surface. The resulting film is highly nanostructured, conductive, and easily delaminates for analysis. This technique offers a simple route to conductive organic films for various applications.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2023)
Article
Polymer Science
Morongwa E. Ramoroka, Siyabonga B. Mdluli, Vivian S. John-Denk, Kwena D. Modibane, Christopher J. Arendse, Emmanuel I. Iwuoha
Summary: This report focuses on the synthesis of a novel material, TTT-co-P3HT, as a donor material for organic solar cells. The synthesized TTT-co-P3HT showed potential with broader electrochemical and optical band-gaps compared to P3HT, but exhibited insufficient electron/hole separation and charge transfer. Ultimately, the devices using TTT-co-P3HT had a significantly lower power conversion efficiency than those using P3HT.
Article
Nanoscience & Nanotechnology
Jiali Li, Huihui Li, Zhongjie Ren, Shouke Yan, Xiaoli Sun
Summary: This study introduces a new technology to improve electrical properties during stretching by using oriented P3HT films and PDMS layers. It was found that the electrical stability of P3HT films during stretching is better when stretched perpendicular to the c-axis. In addition, the evolution of the multiscale structure of P3HT films under stretching conditions was explored.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Polymer Science
Ramin Hosseinabad, Jesse Kuebler, Lucia Fernandez-Ballester
Summary: The melt-crystallization of conjugated polymers is a potential environmentally-friendly solution processing alternative. However, the specific role of molecular attributes and control strategies are not well understood. This study shows that the effects of chain length on crystallization depend on the amount of chain defects. Melt self-seeding can manipulate the crystallization temperature, especially for longer and more defective chains. Overall, controlling and reporting regioregularity and molecular weight are crucial.
Article
Materials Science, Multidisciplinary
Naoki Okada, Kohei Sato, Moegi Yokoo, Erina Kodama, Shinji Kanehashi, Takeshi Shimomura
Summary: Aerogels containing P3HT nanofibers in a PS matrix were fabricated by freeze-drying and doped with iodine vapor. The aerogels exhibited low thermal conductivity and high Seebeck coefficient, showing potential for thermoelectric applications. The relationship between Seebeck coefficient and conductivity varied at different dopant concentrations, with a giant Seebeck coefficient attributed to unique morphology and energy filtering effects.
ACS APPLIED POLYMER MATERIALS
(2021)
Article
Materials Science, Composites
Zhixiong Liao, Shichao Wang, Chunmei Gao, Lei Wang
Summary: Chemical doping and thermal annealing are combined to optimize the thermoelectric property of Poly(3-hexylthiophene) (P3HT). The film doped with FeCl3 exhibits the highest thermoelectric performance, and the electrical conductivity increases by 42% after thermal annealing treatment. This investigation demonstrates that combining chemical doping and thermal annealing is a feasible strategy to improve the thermoelectric performance of the conjugated polymer.
COMPOSITES COMMUNICATIONS
(2022)
Article
Physics, Multidisciplinary
F. Mohamed, M. Abdel Rehim, Talaat A. Hameed, G. Turky
Summary: Polypyrrole (PPy) and poly(3-hexylthiophene) (P3HT) were prepared by oxidation polymerization, and their optical and dielectric properties were investigated. PPy has a smaller band gap and lower refractive index compared to P3HT. The conductivity of the polymers is significantly enhanced after polymerization, and the temperature dependence of conductivity follows the Vogel-Fulcher-Tammann equation.
Article
Polymer Science
Sanhanut Kesornsit, Chatrawee Direksilp, Katesara Phasuksom, Natlita Thummarungsan, Phimchanok Sakunpongpitiporn, Kornkanok Rotjanasuworapong, Anuvat Sirivat, Sumonman Niamlang
Summary: Poly(3-hexylthiophene) (P3HT) was synthesized by chemical oxidative polymerization using ferric chloride (FeCl3) as the oxidizing agent and various surfactants as shape templates. The effects of mole ratios, polymerization times, and surfactant types and concentrations on the electrical conductivity and particle properties were investigated. The results showed that P3HT synthesized with dodecylbenzenesulfonic acid (DBSA) at Critical Micelle Concentration (CMC) 6 had the highest electrical conductivity and particle size of 1530 +/- 227 nm. The thermal analysis revealed that surfactant-synthesized P3HT had higher stability and char yields. The electrical conductivity of DBSA-synthesized P3HT was further enhanced by doping with HClO4.
Article
Chemistry, Physical
Eduardo Colom, Javier Hernandez-Ferrer, Alejandro Galan-Gonzalez, Alejandro Anson-Casaos, Mario Navarro-Rodriguez, Elisa Palacios-Lidon, Jaime Colchero, Javier Padilla, Antonio Urbina, Raul Arenal, Ana M. Benito, Wolfgang K. Maser
Summary: Nanoparticles of conjugated polymers in contact with graphene oxide sheets were prepared using a miniemulsion synthesis approach. This led to a unique conformation of the polymer chains and an unprecedented charge transfer between the two constituents. The resulting nanohybrid enabled direct and efficient charge extraction through the graphene oxide sheets.
CHEMISTRY OF MATERIALS
(2023)
Article
Polymer Science
Daisuke Takajo, Hiroyasu Katsuno, Koichi Sudoh
Summary: We have conducted a study on the dynamics of poly(3-hexylthiophene) (P3HT) monolayers at the interfaces between highly oriented pyrolytic graphite (HOPG) and P3HT solutions in 1,2,4-trichlorobenzene using scanning tunneling microscopy (STM). Real-time STM observation at room temperature has shown that P3HT molecules adsorbed on graphite exhibit substantial mobility even in densely packed conditions, leading to significant fluctuations of the self-organized monolayer of P3HT. Our findings demonstrate that in the monolayers, the orientational order is limited to a short range comparable to the polymer chain length. We have also conducted kinetic Monte Carlo simulations based on a 2D semiflexible lattice polymer model to explain our observations.
Article
Polymer Science
Xiao-Juan Wang, Gao-Wei Li, Ming-Yang Mo, Shuai-Hua Shi, Si-Yu Li, Xin-Yi Liu, Lan-Tao Liu
Summary: In this study, block copolymers were synthesized and their self-assembly behavior was investigated. Various polymer nano-assemblies with different shapes were obtained using different microscopy and optical property measurement methods. The introduction of specific functional groups endowed the block copolymers with the ability to self-assemble, and these conjugated copolymers also showed potential applications.
Article
Polymer Science
Mark Clyde Staub, Shichen Yu, Christopher Yuren Li
Summary: This study reports the fabrication of polymer crystalsomes formed by 1D polymer crystals. P3HT crystalsomes were successfully prepared using a miniemulsion solution crystallization method, and their properties were examined through microscopy and diffraction experiments. The results reveal curvature-dependent structural, thermal, and electro-optical properties of P3HT crystalsomes.
MACROMOLECULAR RAPID COMMUNICATIONS
(2023)
Article
Polymer Science
Chunhui Li, Zeqian Wang, Wei Liu, Xiangling Ji, Zhaohui Su
Article
Polymer Science
Ze-Qian Wang, Zhen-Xing Zhong, Yu-Ying Ma, Xiao-Feng Lu, Ce Wang, Zhao-Hui Su
Summary: The study found that PVDF fibers prepared under different conditions have similar crystallinity and melting point values, but analysis at the single fiber level showed a wide distribution of diameters and melting points. At the nanoscale, the melting point of nanofibers increases rapidly as the diameter decreases, with molecular orientation being the driving force behind the correlation between melting point and diameter of the nanofibers.
CHINESE JOURNAL OF POLYMER SCIENCE
(2021)
Article
Nanoscience & Nanotechnology
Erna Jia, Bang Liang, Yuan Lin, Zhaohui Su
Summary: This study modified titanium dioxide nanotubes (TNTs) with zwitterionic polymers, reducing protein adsorption and improving blood compatibility. The modification showed significantly different protein adsorption behaviors and improved blood compatibility, making the polyzwitterion-modified TNTs promising implant materials.
Article
Polymer Science
Zhenxing Zhong, Zhaohui Su
Summary: In this study, the crystallization behavior of PB in its blends with iPP and aPP was systematically investigated using various experimental methods. It was found that iPP was more effective in promoting the formation of I' polymorph in the blends, while the cold crystallization rate of PB in the iPP blend with fully crystallized iPP was faster.
Article
Polymer Science
Jiugeng Cheng, Zhenxing Zhong, Yuan Lin, Zhaohui Su, Chunyu Zhang, Xuequan Zhang
Summary: This work investigates the miscibility behavior of high molecular weight isotactic poly(1-butene) and isotactic polypropylene blends using AFM-IR technique. It is found that the two polymers partially miscible under certain conditions, and the content of polypropylene in each phase can be determined using a quantitative analysis method. The phase separation kinetics and phase diagram of the blends were studied, suggesting a lower critical solution temperature-type phase behavior of PB/PP blends.
Article
Chemistry, Multidisciplinary
Xiaodie Yuan, Xia Zhao, Yuan Lin, Zhaohui Su
Summary: This study synthesized PDA nanoparticles of various sizes and introduced different surface groups to investigate their penetration and accumulation abilities in biofilms. The PDA nanoparticles of approximately 60 nm size showed higher penetration and accumulation abilities, and the positively charged amine groups were more effective in enhancing the interactions with the biofilm compared to carboxyl or methoxy groups. The PDA60 nanoparticles with amine surface groups also exhibited good photothermal properties.
Article
Polymer Science
Sijie Zhou, Dejun Yang, Dong Yang, Yan Guo, Ronggui Hu, Yuan Li, Xingjie Zan, Xingxing Zhang
Summary: In this study, an injectable, self-healing, and multiple-responsive hydrogel was developed by modifying histamine onto hyaluronic acid and dynamically coordinating with metal ions. The hydrogel exhibited tunable pH-responsive and mechanical behaviors, and demonstrated antibacterial properties and accelerated wound healing.
MACROMOLECULAR RAPID COMMUNICATIONS
(2023)
Article
Polymer Science
Zhenxing Zhong, Li Peng, Na Zhang, Juanxia Su, Nanbiao Ye, Zhongfu Luo, Charles C. Han, Xianbo Huang, Zhaohui Su
Summary: In this study, the miscibility of iPP/EOC and iPP/OBC blends was investigated using AFM-IR technique. It was found that the iPP/EOC blend exhibited phase separation, while the iPP/OBC blend showed good compatibility. Further composition analysis supported these observations.
Article
Engineering, Chemical
Fushi Li, Na Zhang, Yunbao Gao, Nan Yan, Jing Jin, Zhaohui Su, Wei Jiang
Summary: This study investigates the toughening effect of core-shell rubber modifiers in polypropylene (PP) composites. Results show that PP composites toughened with core-shell rubber particles exhibit higher toughness and stiffness compared to those toughened with EPR alone, and the effect is greater with a more rigid PE core. These results are in quantitative agreement with a recent theoretical model, providing solid experimental evidence in support of the latter.
POLYMER ENGINEERING AND SCIENCE
(2022)
Article
Nanoscience & Nanotechnology
Xiaodie Yuan, Xia Zhao, Rui Xia, Zhigang Xie, Yuan Lin, Zhaohui Su
Summary: This study successfully developed a magnetic field-driven and near-infrared-responsive NO delivery system for biofilm treatment. The system achieved a spatial and temporal-controlled release of NO in biofilms, demonstrating a synergistic antibacterial effect and accelerated wound healing process.
ACS APPLIED NANO MATERIALS
(2022)
Article
Nanoscience & Nanotechnology
Xiaoyu Xia, Xiaodie Yuan, Guangyu Zhang, Zhaohui Su
Summary: This study reports an excellent antifouling coating with resistance to protein adsorption. By synthesizing specific copolymers and adsorbing them onto a gold substrate, a loop polyzwitterionic coating is formed, which exhibits outstanding antifouling properties, as confirmed by experimental results.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Analytical
Bo Wang, Yingjuan Sun, Zhaohui Su, Yuan Lin, Yongdong Jin
Summary: Understanding the interactions between cancer cells and smart substrates is important for both physiology and pathology. In this study, two phenylboronic acid (PBA)-functionalized films with different surface topographies were successfully fabricated, and the adhesion kinetics of HepG2 cells on these films were analyzed using quartz crystal microbalance with dissipation (QCM-D). The results showed that the PBAS film promoted cell adhesion and spreading, and the cell detachment behavior could be controlled in the presence of glucose based on molecular recognition. The glucose-responsive PBAS film has potential applications in cell-based diagnostics and tissue engineering. Furthermore, QCM-D was proven to be a useful tool for real-time monitoring and analysis of cell-substrate interactions.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Analytical
Xiao-Die Yuan, Zhao Xia, Lin Yuan, Zhao-Hui Su
Summary: Smaller-sized nanoparticles have been developed to overcome the barrier of bacteria's dense cell wall. Polydopamine nanoparticles with a hydrodynamic diameter of 7-17 nm were synthesized and modified with polyethylene glycol (PEG). The resulting PDA-PEG nanoparticles exhibited good dispersion in phosphate buffered solution and showed excellent photothermal-antibiotic combined antibacterial effect after further assembling the antibiotic levofloxacin.
CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Physical
Zhenxing Zhong, Li Peng, Juanxia Su, Zhongfu Luo, Charles C. C. Han, Xianbo Huang, Zhaohui Su
Summary: In this study, the distribution of antioxidant 1010 (AT1010) in blends of isotactic polypropylene (iPP) with an ethylene-octene copolymer (POE) was investigated using atomic force microscopy-infrared (AFM-IR) technique. The results showed that AT1010 preferred to stay in the POE disperse phase rather than in the iPP matrix, and the concentration ratio of AT1010 in the POE increased during the injection molding process. This study provides important insights into the application of AT1010 in plastic products.
Article
Chemistry, Analytical
Er-Na Jia, Yuan Lin, Zhao-Hui Su
Summary: Protein adsorption behavior and secondary structure changes on the surface of implant materials can significantly impact blood compatibility. Modification of titanium dioxide nanotubes and fixation of proteins can enhance blood compatibility, with protein adhesion influencing platelet activation.
CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
(2021)
