Optimization of poly(vinylidene fluoride-trifluoroethylene) films as non-volatile memory for flexible electronics

Enhanced energy harvesting based on surface morphology engineering of P(VDF-TrFE) film

“…In addition, when we measured AFM images of the P(VDF-TrFE) film to which we applied either thermal annealing or solvent annealing, we observed crystal domains or grains on not only the film treated with thermal annealing in Figure 1(i), but also the film treated with solvent annealing in Figure 1(h), but not the as-coating P(VDF-TrFE) film in Figure 1(g). The shape of crystal domains or grains of P(VDF-TrFE) in Figure 1(i) and (h) are rod-like which is typical characteristics of P(VDFTrFE) crystallites as reported in many papers [33,34,39]. The size of crystal domains or grains of the solvent annealed film is relatively smaller than that of the thermal annealed film.…”

Improving information density in ferroelectric polymer films by using nanoimprinted gratings

“…Several approaches and prototypes have already been proposed, for example, metalpolymer-metal capacitors, [1][2][3][4][5] field-effect transistors, 6-9 and tunnel-junctions, 10 all of them based on thin polymer films, generally with thickness smaller than 100 nm, and with the possibility of a readily integration with flexible complementary metal oxide semiconductor devices or other organic electronic devices.…”

Self-powered graphene thermistor

“…The crystal structure of P(VDF-TrFE) is related to the formation of the ferroelectric β phase under the annealing process. Characteristic peaks at 2θ ¼19.90°are assigned to the (110/200) reflection planes of the P(VDF-TrFE) β phase [30]. In the XRD of graphene-P (VDF-TrFE) film on PET substrate, an additional peak at 2θ ¼ $26°c orresponds to the existence of graphene which is the evidence of successful transfer of graphene on P(VDF-TrFE) film [31,32].…”