Tunable, reversible resistive switching behavior of PVA-zirconia nanocomposite films and validation of the trap-assisted switching mechanism by the selective application of external bias voltages

Karmakar, Riju; Das, Amit Kumar; Dutta, Bilwadal; Sinha, Sarita; Santra, Saikat; Pramanik, Subhamay; Kuiri, Probodh K.; Meikap, Ajit Kumar

doi:10.1039/d3cp02012f

Cited by 5 publications

(3 citation statements)

References 77 publications

(147 reference statements)

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“…So, shielding effects reduce the reaction kinetics of the A 4 sample in SO 3 2– electrolytes. But the overall enhancement of conductivity and loosely interacted covalent bond of composite films play a dominant role in boosting C P values effectively by 12% for EG-supported PEDOT:PSS polymer-based hematite nanoparticles. − …”

Section: Resultsmentioning

confidence: 99%

Controlled Growth of a Highly Energetic, Less Electron-Dense Tetrahedral Fe³⁺ Phase on the Surface of α-Fe₂O₃ Nanoparticles toward Enhanced Optical, Magnetic, and Supercapacitive Performance

et al. 2023

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Nanoplate to pseudocubic-shaped hematite (α-Fe 2 O 3 ) nanoparticles along with the gradual engravement of tetrahedral Fe 3+ has been synthesized by controlling the precursor (FeCl 3 •6H 2 O) concentration from 0.005 M (A 1 ) to 0.2 M (A 4 ). The role of the surfactant polyvinylpyrrolidone on the preferential plane ([110] to [012]) growth and highly energetic tetrahedral Fe 3+ phase (increases 2.7 times for A 4 than A 1 ) nucleation over the hematite surface has been elucidated from the HRTEM images, XPS, and Raman spectroscopy. This tetrahedral phase and the morphology variation facilitate the Fe−Fe interaction significantly, which improves the saturation magnetization from 0.13 emu/g (A 1 ) to 0.37 emu/g (A 4 ). Stronger magnetic d−d coupling in the A 4 sample promotes dominant photoluminance (PL) spectra. It also exhibits linear dependence with the excitation wavelength (300−380 nm) that can be exploited in the design of a UV detector. The supercapacitive performance of ethylene glycol supported PEDOT-PSS-α-Fe 2 O 3 composite films as negative electrode materials, in the voltage window of −1.3 to −0.5 V, suggests this material to be a promising candidate for the next-generation charge storage devices. The sample engraved with the richest Fe 3+ ions shows the highest specific capacitance of 705.7 F/g in 2 M SO 3 2− electrolytes, and its cyclic stability increases to 111% over 1500 cycles.

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Section: Resultsmentioning

confidence: 99%

Controlled Growth of a Highly Energetic, Less Electron-Dense Tetrahedral Fe³⁺ Phase on the Surface of α-Fe₂O₃ Nanoparticles toward Enhanced Optical, Magnetic, and Supercapacitive Performance

et al. 2023

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“…Urbach energy measures the total localized tail area. Urbach energy (E u ) was calculated by using the equation given below, 45 a ¼ a 0 e hnÀEg Eu (10) The Linear Urbach energy equation is…”

Section: F Rmentioning

confidence: 99%

“…[3][4][5] Currently, conducting polymers, such as PEDOT:PSS, polyaniline (PANI), polythiophene, and polycarbazole (PCz), have been extensively used in organic optoelectronic devices and supercapacitor applications. [6][7][8] To enhance the optical, electrical, and thermal properties of undoped organic materials by doping and compositing, inorganic semiconducting materials, such as zinc oxide (ZnO), 9 zirconium oxide (ZrO 2 ), 10 tin oxide (SnO 2 ), 11 cadmium sulfate (CdS) 12 and molybdenum disulfate (MoS 2 ) 13 and zinc sulfate (ZnS), are extensively used. 14 Similar to LEDs, electroluminescence is the working principle of OLEDs.…”

Section: Introductionmentioning

confidence: 99%

FRET mechanism to enhance the quantum yield of the PCz/gC₃N₄ nanocomposite, an emissive material for OLED applications

Bauri

Choudhary

2023

Phys. Chem. Chem. Phys.

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Recent advancements in metal oxide‐based hybrid nanocomposite resistive random‐access memories for artificial intelligence

Kumar,

Bhardwaj,

Singh

et al. 2024

InfoMat

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Artificial intelligence (AI) advancements are driving the need for highly parallel and energy‐efficient computing analogous to the human brain and visual system. Inspired by the human brain, resistive random‐access memories (ReRAMs) have recently emerged as an essential component of the intelligent circuitry architecture for developing high‐performance neuromorphic computing systems. This occurs due to their fast switching with ultralow power consumption, high ON/OFF ratio, excellent data retention, good endurance, and even great possibilities for altering resistance analogous to their biological counterparts for neuromorphic computing applications. Additionally, with the advantages of photoelectric dual modulation of resistive switching, ReRAMs allow optically inspired artificial neural networks and reconfigurable logic operations, promoting innovative in‐memory computing technology for neuromorphic computing and image recognition tasks. Optoelectronic neuromorphic computing architectured ReRAMs can simulate neural functionalities, such as light‐triggered long‐term/short‐term plasticity. They can be used in intelligent robotics and bionic neurological optoelectronic systems. Metal oxide (MOx)–polymer hybrid nanocomposites can be beneficial as an active layer of the bistable metal–insulator–metal ReRAM devices, which hold promise for developing high‐performance memory technology. This review explores the state of the art for developing memory storage, advancement in materials, and switching mechanisms for selecting the appropriate materials as active layers of ReRAMs to boost the ON/OFF ratio, flexibility, and memory density while lowering programming voltage. Furthermore, material design cum‐synthesis strategies that greatly influence the overall performance of MOx–polymer hybrid nanocomposite ReRAMs and their performances are highlighted. Additionally, the recent progress of multifunctional optoelectronic MOx–polymer hybrid composites‐based ReRAMs are explored as artificial synapses for neural networks to emulate neuromorphic visualization and memorize information. Finally, the challenges, limitations, and future outlooks of the fabrication of MOx–polymer hybrid composite ReRAMs over the conventional von Neumann computing systems are discussed.image

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Tunable, reversible resistive switching behavior of PVA-zirconia nanocomposite films and validation of the trap-assisted switching mechanism by the selective application of external bias voltages

Abstract: Flexible, free-standing polyvinyl alcohol (PVA)-zirconia (mean particle size~24nm) nanocomposites films have been synthesized and their performance as a potential next-generation resistive switching device material has been assessed in this report....

Cited by 5 publications

References 77 publications

Controlled Growth of a Highly Energetic, Less Electron-Dense Tetrahedral Fe³⁺ Phase on the Surface of α-Fe₂O₃ Nanoparticles toward Enhanced Optical, Magnetic, and Supercapacitive Performance

Controlled Growth of a Highly Energetic, Less Electron-Dense Tetrahedral Fe³⁺ Phase on the Surface of α-Fe₂O₃ Nanoparticles toward Enhanced Optical, Magnetic, and Supercapacitive Performance

FRET mechanism to enhance the quantum yield of the PCz/gC₃N₄ nanocomposite, an emissive material for OLED applications

Recent advancements in metal oxide‐based hybrid nanocomposite resistive random‐access memories for artificial intelligence

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Tunable, reversible resistive switching behavior of PVA-zirconia nanocomposite films and validation of the trap-assisted switching mechanism by the selective application of external bias voltages

Abstract: Flexible, free-standing polyvinyl alcohol (PVA)-zirconia (mean particle size~24nm) nanocomposites films have been synthesized and their performance as a potential next-generation resistive switching device material has been assessed in this report....

Cited by 5 publications

References 77 publications

Controlled Growth of a Highly Energetic, Less Electron-Dense Tetrahedral Fe3+ Phase on the Surface of α-Fe2O3 Nanoparticles toward Enhanced Optical, Magnetic, and Supercapacitive Performance

Controlled Growth of a Highly Energetic, Less Electron-Dense Tetrahedral Fe3+ Phase on the Surface of α-Fe2O3 Nanoparticles toward Enhanced Optical, Magnetic, and Supercapacitive Performance

FRET mechanism to enhance the quantum yield of the PCz/gC3N4 nanocomposite, an emissive material for OLED applications

Recent advancements in metal oxide‐based hybrid nanocomposite resistive random‐access memories for artificial intelligence

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Controlled Growth of a Highly Energetic, Less Electron-Dense Tetrahedral Fe³⁺ Phase on the Surface of α-Fe₂O₃ Nanoparticles toward Enhanced Optical, Magnetic, and Supercapacitive Performance

Controlled Growth of a Highly Energetic, Less Electron-Dense Tetrahedral Fe³⁺ Phase on the Surface of α-Fe₂O₃ Nanoparticles toward Enhanced Optical, Magnetic, and Supercapacitive Performance

FRET mechanism to enhance the quantum yield of the PCz/gC₃N₄ nanocomposite, an emissive material for OLED applications