2023
DOI: 10.3390/polym15051067
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The Role of Polymers in Halide Perovskite Resistive Switching Devices

Abstract: Currently, halide perovskites (HPs) are gaining traction in multiple applications, such as photovoltaics and resistive switching (RS) devices. In RS devices, the high electrical conductivity, tunable bandgap, good stability, and low-cost synthesis and processing make HPs promising as active layers. Additionally, the use of polymers in improving the RS properties of lead (Pb) and Pb-free HP devices was described in several recent reports. Thus, this review explored the in-depth role of polymers in optimizing HP… Show more

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Cited by 10 publications
(6 citation statements)
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“…As known that the activation energy of halide vacancies in organic–inorganic halide perovskite materials is relatively low, and as a result, the halide vacancies are the main type of vacancy defects. [ 40 ] In addition, plenty of oxygen vacancies are also existing on the surface of TiO 2 nanoparticles. Therefore, it is supposed that the bromine/oxygen ion migration and the subsequently accompanying introduced iodine/oxygen vacancies are the factor for RS behaviors in Al/TiO 2 –PEA 2 PbBr 4 /ITO memories.…”
Section: Resultsmentioning
confidence: 99%
“…As known that the activation energy of halide vacancies in organic–inorganic halide perovskite materials is relatively low, and as a result, the halide vacancies are the main type of vacancy defects. [ 40 ] In addition, plenty of oxygen vacancies are also existing on the surface of TiO 2 nanoparticles. Therefore, it is supposed that the bromine/oxygen ion migration and the subsequently accompanying introduced iodine/oxygen vacancies are the factor for RS behaviors in Al/TiO 2 –PEA 2 PbBr 4 /ITO memories.…”
Section: Resultsmentioning
confidence: 99%
“…The enhanced stability and the composite formation resulted in a resistive switching time of 40 ns [153] . Polymers have been utilized to act as passivators and charge enhancement layers in halide perovskites based memristors [154] . Poly(ethylene oxide) (PEO) was used as a supportive frame for MAPbBr 3 nanoparticles improving its stability and facilitating ionic conductivity for redox resistive switching memory applications.…”
Section: Applicationsmentioning
confidence: 99%
“…[153] Polymers have been utilized to act as passivators and charge enhancement layers in halide perovskites based memristors. [154] Poly(ethylene oxide) (PEO) was used as a supportive frame for MAPbBr 3 nanoparticles improving its stability and facilitating ionic conductivity for redox resistive switching memory applications. The interaction between Pb 2 + ions and the electrons from the ether oxygen in PEO helps in forming a host medium for the Pb 2 + cations, thereby allowing redox reaction based write-once-read-many times resistive switching behavior.…”
Section: Memristorsmentioning
confidence: 99%
“…As organic compounds composed of repeating structural units known as monomers, polymers display remarkable versatility, forming a vast array of materials with diverse properties and applications. 47,48 Due to their unique characteristics, such as high molecular weight, flexibility, tunable properties, and a vast array of potential functionalities, they have captured the interest of researchers, engineers, and industry professionals. Polymerization, the process of chemically bonding monomers to form polymers, permits an extraordinary degree of customization and control over the properties of the resulting material.…”
Section: Polymers and Their Unique Propertiesmentioning
confidence: 99%