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Publikováno v:
Journal of Materials Chemistry C. 10:1069-1076
For the first time, POSS and cobalt containing hyperbranched polymer (HP2-Co) was synthesized via a convenient A2+B3 strategy for solid-state pyrolysis to generate magnetoceramics. For comparison, its analogue (HP1-Co) without POSS group was also pre
Autor:
Elena V. Shevchenko, Diana Berman
Publikováno v:
Journal of Materials Chemistry C. 8:10604-10627
Robust and efficient approaches for the synthesis of materials with structure, porosity, and composition controlled at the nanoscale are highly important for a wide range of applications. Polymer templates are promising platforms to achieve such cont
Autor:
Yang Ping'an, Zhuo Xu, Hongbin Yuan, Lili Li, Lin Zhang, Peng Zheng, Wei Wu, Fei Wen, Gaofeng Wang
Publikováno v:
Journal of Materials Chemistry C. 8:14910-14918
Flexible dielectric capacitors, especially polymer-based composites, have received increasing attention for use in sustainable energy and high power applications. Here, a strategy is proposed to combine antiferroelectric and relaxor features to achie
Autor:
Yurong Liu, Ye Zhu, Zhen Qiang Yu, Zhengong Meng, Zhuoxun Wei, Xuyun Guo, Dong Wang, Wai Yeung Wong
Publikováno v:
Journal of Materials Chemistry C. 8:10774-10780
The stable sandwich structure and the excellent redox activity of ferrocene make it a ubiquitous component in organometallic systems. The introduction of a ferrocenyl unit into a polymer skeleton provides a good avenue towards novel materials for var
Synthesis and evaluation of PVDF–MgTiO3 polymer–ceramic composites for low-k dielectric applications
Autor:
R. Sundararam Bharath, Tirthankar Chakraborthy, Hariharan Nhalil, Suja Elizabeth, H. Sreemoolanadhan, K. Ashok, Charlie Oommen, B. Masin
Publikováno v:
Journal of Materials Chemistry C. 7:4484-4496
PVDF exhibits ferroelectric, pyroelectric, and dielectric properties as a function of its unique crystalline phases, namely α, β, γ, δ, and e. Of these, the β crystalline phase shows unique electrical and mechanical properties due to its highly
Autor:
Guoqiang Zheng, Zhanhu Guo, Dandan Lou, Shuaiguo Zhao, Jiang Guo, Kun Dai, Pengfei Zhan, Chuntai Liu, Changyu Shen, Guojie Li
Publikováno v:
Journal of Materials Chemistry C. 5:8233-8242
Electrically conductive polymer composites (CPCs) show considerable promise in thermistors owing to their characteristics of positive temperature coefficient (PTC) effect and negative temperature coefficient (NTC) effect of resistance. In contrast to
Publikováno v:
Journal of Materials Chemistry C. 5:2268-2281
The development of new methods of assembling matter to access advanced materials, such as magnetoceramics, remains a worthwhile research challenge. Several approaches to generate such materials include pyrolysis of linear and hyperbranched polymer pr
Publikováno v:
Journal of Materials Chemistry C. 4:4763-4769
Electrocaloric materials have emerged as a viable technology for solid state heating/cooling and waste heat recovery applications. We determine here intrinsic electrocaloric (EC) entropy and temperature changes in perovskite ferroelectrics (FEs) usin
Publikováno v:
Journal of Materials Chemistry C. 4:10654-10663
High loading of ceramics has been the biggest shortcoming of fabricating high-k ceramic/polymer composites. Herein, unique pure barium titanate (BT) foams with three-dimensional interconnecting foam channels, coded as BTFs, were synthesized using a p
Publikováno v:
Journal of Materials Chemistry C. 4:4387-4392
We report flexible piezoelectric polyurethane foams with d33 piezocoefficients up to 244 ± 30 pC N−1. Polymer foams have large volume changes under applied force, and dipole-doped polymers can have large polarizations even when poled at fields two