Journal
FRONTIERS IN ENERGY RESEARCH
Volume 9, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fenrg.2021.629074
Keywords
mixed ionic-electronic conductivity; hybrid perovskites; ionics; photovoltaics; LEDs; batteries; resistive switches; memristors
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Funding
- Netherlands Organisation for Scientific Research (NWO)
- Swiss National Science Foundation PRIMA [193174]
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Hybrid halide perovskites exhibit enhanced mixed ionic-electronic conductivities under device operating conditions, with potential applications in various technologies. Ongoing research aims to improve stability and performance for applications such as photovoltaics, light-emitting diodes, rechargeable batteries, and neuromorphic memory elements.
Hybrid halide perovskites feature mixed ionic-electronic conductivities that are enhanced under device operating conditions. This has been extensively investigated over the past years by a wide range of techniques. In particular, the suppression of ionic motion by means of material and device engineering has been of increasing interest, such as through compositional engineering, using molecular modulators as passivation agents, and low-dimensional perovskite materials in conjunction with alternative device architectures to increase the stabilities under ambient and operating conditions of voltage bias and light. While this remains an ongoing challenge for photovoltaics and light-emitting diodes, mixed conductivities offer opportunities for hybrid perovskites to be used in other technologies, such as rechargeable batteries and resistive switches for neuromorphic memory elements. This article provides an overview of the recent developments with a perspective on the emerging utility in the future.
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