Printed Memtransistor Utilizing a Hybrid Perovskite/Organic Heterojunction Channel
Khan, Jafar Iqbal
Anthopoulos, Thomas D.
KAUST DepartmentMaterial Science and Engineering Program
Material Science and Engineering
Physical Science and Engineering (PSE) Division
KAUST Solar Center (KSC)
Chemical Science Program
KAUST Grant NumberOSR-2018-CARF/CCF-3079.
Online Publication Date2021-10-25
Print Publication Date2021-11-03
Embargo End Date2022-10-25
Permanent link to this recordhttp://hdl.handle.net/10754/672977
MetadataShow full item record
AbstractNeuromorphic computing has the potential to address the inherent limitations of conventional integrated circuit technology, ranging from perception, pattern recognition, to memory and decision-making ( Acc. Chem. Res. 2019, 52 (4), 964−974) ( Nature 2004, 431 (7010), 796−803) ( Nat. Nanotechnol. 2013, 8 (1), 13−24). Despite their low power consumption ( Nano Lett. 2016, 16 (11), 6724−6732), traditional two-terminal memristors can perform only a single function while lacking heterosynaptic plasticity ( Nanotechnology 2013, 24 (38), 382001). Inspired by the unconditioned reflex, multiterminal memristive transistors (memtransistor) were developed to realize complex functions, such as multiterminal modulation and heterosynaptic plasticity ( Nature 2018, 554, (7693), 500−504). Here we combine a hybrid metal halide perovskite with an organic conjugated polymer to form heterojunction transistors that are responsive to both electrical and optical stimuli. We show that the synergistic effects of photoinduced ion migration in the perovskite and electronic transport in the polymer layers can be exploited to realize memristive functions. The device combines reversible, nonvolatile conductance modulation with large switching current ratios, high endurance, and long retention times. Using in situ scanning Kelvin probe microscopy and variable-temperature charge transport measurement, we correlate the collective effects of bias-induced and photoinduced ion migration with the heterosynaptic behavior observed in this hybrid memtransistor. The hybrid heterojunction channel concept is expected to be applicable to other material combinations making it a promising platform for deployment in innovative neuromorphic devices of the future.
CitationMa, C., Chen, H., Yengel, E., Faber, H., Khan, J. I., Tang, M.-C., … Anthopoulos, T. D. (2021). Printed Memtransistor Utilizing a Hybrid Perovskite/Organic Heterojunction Channel. ACS Applied Materials & Interfaces. doi:10.1021/acsami.1c08583
SponsorsThis publication is based upon work supported by the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under Award No. OSR-2018-CARF/CCF-3079.
PublisherAmerican Chemical Society (ACS)