Inorganic Lead-Free and Bismuth-Based Perovskite Nanoscale-Thick Films for Memristors and Artificial Synapse Applications

Article Materials Science, Multidisciplinary

Atmospheric All-Solution-Processed Perovskite Light-Emitting Diodes

Pengpeng Cheng et al.

Summary: This study successfully demonstrates the optimization of ETL-free PeLEDs using the all-solution method, providing an opportunity to fabricate high-performance perovskite-based photovoltaic devices under ambient conditions.

PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS (2023)

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Article Chemistry, Multidisciplinary

Photo-Enhanced Resistive Switching Effect in High-Performance MAPbI3 Memristors

Zehen Liu et al.

Summary: The rapid development of AI has led to the exploration of neuromorphic computing systems. This research focuses on artificial neuromorphic synapses based on memristors of organic-inorganic halide perovskites. The study proposes a model for resistive switching and discovers that the unique photoresponsive characteristic enhances the performance of memristors. These findings contribute to the development of multifunctional optoelectronics and optogenetics tunable neuromorphic systems.

ADVANCED MATERIALS INTERFACES (2023)

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Article Nanoscience & Nanotechnology

High-Performance and Environmentally Robust Multilevel Lead-Free Organotin Halide Perovskite Memristors

Zehen Liu et al.

Summary: This research reports the improved resistive switching performance of lead-free MASnI(3) perovskites by introducing PEACl, achieving stable and reliable performance. Additionally, a complete physical simulation model is proposed to describe the formation and rupture of conductive filaments, providing a theoretical basis for further performance optimization.

ADVANCED ELECTRONIC MATERIALS (2023)

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Article Multidisciplinary Sciences

Multilevel resistive switching in stable all-inorganic n-i-p double perovskite memristor

Shuaibo Zhai et al.

Summary: This study presents the design and performance of a double perovskite memristor with the utilization of p-n junction unidirectional conductivity for multistate storage. The device showed reliable resistive switching characteristics and long-term stability due to the all-inorganic layers.

ISCIENCE (2023)

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Article Chemistry, Multidisciplinary

Alloy electrode engineering in memristors for emulating the biological synapse

Jingjuan Wang et al.

Summary: By systematically investigating the effects of different alloy electrode ratios on the performance of HfOx devices, this study found that devices with an Ag-Cu ratio of 63:37 exhibited superior performance characteristics.

NANOSCALE (2022)

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Review Materials Science, Multidisciplinary

Fabrication Strategies and Optoelectronic Applications of Perovskite Heterostructures

Xiaohua Cheng et al.

Summary: Metal halide perovskites (MHPs) are emerging low-cost and multifunctional semiconductor materials widely used in optoelectronic devices. Developing new MHPs, defects passivation, optimizing device structures, and packaging techniques are effective methods to improve photoelectric performance and stability. Fabrication of perovskite/perovskite heterostructures (PPHSs) is a novel method to obtain stable and high-performing optoelectronic perovskite devices.

ADVANCED OPTICAL MATERIALS (2022)

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Article Nanoscience & Nanotechnology

Reliable Memristor Based on Ultrathin Native Silicon Oxide

Zelin Ma et al.

Summary: This study reports the use of self-limiting amorphous SiOx as an atomically thin electrolyte for memristors, which exhibits high uniformity and high production yield. Through physical modeling, it is revealed that the atomic thickness of SiOx enables anomalous resistive switching and a transition to an analog quasi-reset mode. The use of Ag-Au nanocomposite electrodes further enhances filament stability. This memristor demonstrates key metrics for analog neural networks and can also be used as an excellent source for generating true random numbers.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Air-Stabilized Lead-Free Hexagonal Cs3Bi2I9 Nanocrystals for Ultrahigh-Performance Optical Detection

Jiahui Wang et al.

Summary: In this study, lead-free Cs3Bi2I9 perovskite nanocrystals were successfully synthesized and used to fabricate flexible and vertical heterojunction photodetectors. These detectors demonstrated excellent detection performance, high-resolution imaging, broad spectral response, and excellent stability.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Ambient Stable All Inorganic CsCu2I3 Artificial Synapses for Neurocomputing

Kyung Ju Kwak et al.

Summary: This study demonstrates the use of environmentally friendly and highly air stable CsCu2I3 perovskite films as the active layer in artificial synapses, showing excellent synaptic plasticity and learning accuracy in deep neural networks.

NANO LETTERS (2022)

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Article Chemistry, Multidisciplinary

Flexible Artificial Optoelectronic Synapse based on Lead-Free Metal Halide Nanocrystals for Neuromorphic Computing and Color Recognition

Ying Li et al.

Summary: This article presents a flexible optoelectronic synaptic system based on lead-free Cs3Bi2I9 nanocrystals, which can simulate synaptic behaviors, implement visual perception, visual memory, and color recognition functions, and possesses excellent robustness and high-precision recognition capability.

ADVANCED SCIENCE (2022)

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Article Nanoscience & Nanotechnology

Directional Formation of Conductive Filaments for a Reliable Organic-Based Artificial Synapse by Doping Molybdenum Disulfide Quantum Dots into a Polymer Matrix

Mingjun Li et al.

Summary: This study successfully prepared a neural synaptic device based on MoS2 QD nanocomposites, which can emulate various synaptic functions and demonstrate stable LTP to LTD conversion after consecutive stimulation.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Materials Science, Multidisciplinary

Multilevel halide perovskite memristors based on optical & electrical resistive switching effects

Zehan Liu et al.

Summary: This study proposes a novel organic-inorganic hybrid memristor with low operation voltage, high ON/OFF ratio, stable endurance, long retention, and robustness under ambient condition. Four distinct resistance states can be obtained in these memristors by modifying the operation voltages, and the resistance switching processes can be controlled by both electrical field and light illumination.

MATERIALS CHEMISTRY AND PHYSICS (2022)

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Article Engineering, Electrical & Electronic

Neuromorphic Synapses with High Switching Uniformity and Multilevel Memory Storage Enabled through a Hf-Al-O Alloy for Artificial Intelligence

Muhammad Ismail et al.

Summary: Researchers have developed a Pt/HfO2/HfAlOx/TiN memristor with high-k dielectric thin films, achieving excellent resistive switching performance and multilevel conductance suitable for neuromorphic synapses in artificial intelligence systems.

ACS APPLIED ELECTRONIC MATERIALS (2022)

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Review Chemistry, Multidisciplinary

2D Material Based Synaptic Devices for Neuromorphic Computing

Guiming Cao et al.

Summary: This article provides a comprehensive review of synaptic devices based on 2D materials, including their advantages, challenges, and future development strategies.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Nanoscience & Nanotechnology

High Temperature CsPbBrxI3-x Memristors Based on Hybrid Electrical and Optical Resistive Switching Effects

Zehan Liu et al.

Summary: This study successfully achieved mixed halide CsPbBrxI3-x-based memristors with excellent performance at different temperatures, demonstrating repeatability and stability in high-temperature environments. The results suggest that this novel type of memory devices has potential for application in perovskite wearable and large-scale information devices in high-temperature scenarios.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Multidisciplinary

A Monochloro Copper Phthalocyanine Memristor with High-Temperature Resilience for Electronic Synapse Applications

Jia Zhou et al.

Summary: Memristors are a promising device concept for neuromorphic computing, but the assembly of large memristive arrays often faces heat dissipation issues. Organic materials can be tailored for neuromorphic applications but are susceptible to heat. A study demonstrated a high-temperature organic memristive synapse resembling biological neurons' ion movement, showcasing potential for practical organic neuromorphic devices.

ADVANCED MATERIALS (2021)

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Article Chemistry, Physical

Pressure-Induced Emergence of Visible Luminescence in Lead Free Halide Perovskite Cs3Bi2Br9: Effect of Structural Distortion

Debabrata Samanta et al.

Summary: In this study, high pressure effects on Cs3Bi2Br9 halide perovskite were investigated using X-ray diffraction, Raman spectroscopy, and photoluminescence measurements. The sample exhibited photoluminescence in a broad range of 550-900 nm above 1.4 GPa, which was attributed to an isostructural transition. The enhancement in photoluminescence intensity with pressure was found to be driven by an increase in distortion of BiBr6 octahedra. Additionally, electronic band structure calculations indicated that the high pressure phase of the sample is an indirect band gap semiconductor.

JOURNAL OF PHYSICAL CHEMISTRY C (2021)

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Article Chemistry, Physical

Dark Self-Healing-Mediated Negative Photoconductivity of a Lead-Free Cs3Bi2Cl9 Perovskite Single Crystal

Naveen Kumar Tailor et al.

Summary: Lead-free Cs3Bi2Cl9 perovskite exhibits light-induced negative photoconductivity with slow recovery, attributed to the formation of light-activated metastable trap states within the crystal. Studies using femtosecond transient reflectance spectroscopy reveal the unique electronic transport properties of Cs3Bi2Cl9 single crystals, which show retroactive photocurrent upon irradiation. The figure of merits for Cs3Bi2Cl9 single-crystal detectors, including responsivity, detectivity, and current ratio, demonstrate the potential of this material for device applications.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2021)

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Article Chemistry, Multidisciplinary

Control over Light Soaking Effect in All-Inorganic Perovskite Solar Cells

Xiao Wu et al.

Summary: Light soaking has been found to enhance device performance of CsPb(I1-xBrx)(3) based PSCs by promoting the migration of halide ions, leading to defect passivation and device improvements. Incorporating slightly over-stoichiometric PbI2 in the precursor is proposed as an effective means to suppress the light soaking effect.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Artificial Optoelectronic Synapses Based on TiNxO2-x/MoS2 Heterojunction for Neuromorphic Computing and Visual System

Wenxiao Wang et al.

Summary: An artificial optoelectronic synapse composed of Al/TiNxO2-x/MoS2/ITO (H-OSD) is proposed and experimentally realized, enabling various advanced synaptic functions. The potential applications in neuromorphic computing and visual information processing are highlighted, showcasing the versatility and effectiveness of the proposed optoelectronic synapse.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Understanding the Role of Grain Boundaries on Charge-Carrier and Ion Transport in Cs2AgBiBr6 Thin Films

Zewei Li et al.

Summary: In the study, it was found that grain boundaries act as main nonradiative recombination sites and ion transport channels in Cs2AgBiBr6 thin films. Additionally, a positive correlation between carrier mobility and temperature was identified, explaining the discrepancy in performance between single crystals and thin film counterparts.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Inorganic & Nuclear

Optical and Structural Property Tuning in Physical Vapor Deposited Bismuth Halides Cs3Bi2(I1-xBrx)9 (0 ≤ x ≤ 1)

Sara Bonomi et al.

Summary: Lead-free all-inorganic Cs3Bi2X9 (X = Br, I) perovskite films were deposited by RF-magnetron sputtering, showing high-quality, single-phase films through structural, morphological, and optical property characterization. Tuning of crystal structure and optical absorbance was achieved in mixed Br/I phases Cs3Bi2(I1-xBrx)(9), indicating a band gap shift from 2.0 eV for Cs3Bi2I9 to 2.64 eV for Cs3Bi2Br9. X-ray diffraction and Raman scattering defined the range of alloyed compositions with single-phase compositions. Preliminary photocatalytic activity tests on methylene blue degradation suggested the potential use of Bi-based perovskite derivative materials as active photocatalysts.

INORGANIC CHEMISTRY (2021)

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Review Materials Science, Multidisciplinary

Recent advances in resistive random access memory based on lead halide perovskite

Jiayu Di et al.

Summary: This article summarizes recent progress made by researchers on RRAM devices, including the working mechanism, key parameters, and various factors that affect device performance. Additionally, RRAMs based on organolead halide perovskite and all-inorganic perovskite are discussed in terms of different structures and compositions.

INFOMAT (2021)

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Review Nanoscience & Nanotechnology

Neuromorphic nanoelectronic materials

Vinod K. Sangwan et al.

NATURE NANOTECHNOLOGY (2020)

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Article Chemistry, Multidisciplinary

Degradation Mechanism of Perovskite Light-Emitting Diodes: An In Situ Investigation via Electroabsorption Spectroscopy and Device Modelling

Yuwei Guo et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Effect of Bi Substitution on Cs3Sb2Cl9: Structural Phase Transition and Band Gap Engineering

Abinash Pradhan et al.

CRYSTAL GROWTH & DESIGN (2020)

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Article Physics, Applied

Artifical Synapses: Synaptic Plasticity and Filtering Emulated in Metal–Organic Frameworks Nanosheets Based Transistors (Adv. Electron. Mater. 1/2020)

Guanglong Ding et al.

Advanced Electronic Materials (2020)

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Article Chemistry, Physical

The Role of Grain Boundaries on Ionic Defect Migration in Metal Halide Perovskites

Nga Phung et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Nanoscience & Nanotechnology

Flexible Poly(Vinyl Alcohol)-Graphene Oxide Hybrid Nanocomposite Based Cognitive Memristor with Pavlovian-Conditioned Reflex Activities

Wen Xiong et al.

ADVANCED ELECTRONIC MATERIALS (2020)

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Article Chemistry, Multidisciplinary

A Potential Checkmate to Lead: Bismuth in Organometal Halide Perovskites, Structure, Properties, and Applications

Sanam Attique et al.

ADVANCED SCIENCE (2020)

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Article Chemistry, Multidisciplinary

Truly Electroforming-Free Memristor Based on TiO2-CoO Phase-Separated Oxides with Extremely High Uniformity and Low Power Consumption

Fuxing Wan et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Flexible and Insoluble Artificial Synapses Based on Chemical Cross-Linked Wool Keratin

Chenyang Shi et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Multidisciplinary

A Robust and Low-Power Bismuth Doped Tin Oxide Memristor Derived from Coaxial Conductive Filaments

Yanxin Liu et al.

SMALL (2020)

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Article Nanoscience & Nanotechnology

Control Synthesis and Alloying of Ambient Stable Pb-Free Cs3Bi2Br9(1-x)I9x (0 ≤ x ≤ 1) Perovskite Nanocrystals for Photodetector Application

Sirshendu Ghosh et al.

ACS APPLIED NANO MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Vacancy-Induced Synaptic Behavior in 2D WS2 Nanosheet-Based Memristor for Low-Power Neuromorphic Computing

Xiaobing Yan et al.

SMALL (2019)

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Review Multidisciplinary Sciences

Understanding memristive switching via in situ characterization and device modeling

Wen Sun et al.

NATURE COMMUNICATIONS (2019)

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Article Nanoscience & Nanotechnology

Enhanced Switching Ratio and Long-Term Stability of Flexible RRAM by Anchoring Polyvinylammonium on Perovskite Grains

Xiaofei Cao et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Chemistry, Multidisciplinary

Dual-Phase All-Inorganic Cesium Halide Perovskites for Conducting-Bridge Memory-Based Artificial Synapses

Sun Gil Kim et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Physics, Applied

Investigation of resistive switching in copper/InGaZnO/Al2O3-based memristor

Kai-Jhih Gan et al.

APPLIED PHYSICS LETTERS (2019)

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Review Materials Science, Multidisciplinary

Photonic Memristor for Future Computing: A Perspective

Jing-Yu Mao et al.

ADVANCED OPTICAL MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Thermodynamic Stability Landscape of Halide Double Perovskites via High-Throughput Computing and Machine Learning

Zhenzhu Li et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Multidisciplinary

Truly Concomitant and Independently Expressed Short- and Long-Term Plasticity in a Bi2O2Se-Based Three-Terminal Memristor

Ziyang Zhang et al.

ADVANCED MATERIALS (2019)

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Article Materials Science, Multidisciplinary

Cycling-Induced Degradation of Organic-Inorganic Perovskite-Based Resistive Switching Memory

Yanyun Ren et al.

ADVANCED MATERIALS TECHNOLOGIES (2019)

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Article Chemistry, Multidisciplinary

Artificial and wearable albumen protein memristor arrays with integrated memory logic gate functionality

Guangdong Zhou et al.

MATERIALS HORIZONS (2019)

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Review Chemistry, Multidisciplinary

Opportunities and Challenges of Lead-Free Perovskite Optoelectronic Devices

Rui Wang et al.

TRENDS IN CHEMISTRY (2019)

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Article Multidisciplinary Sciences

Light-induced lattice expansion leads to high-efficiency perovskite solar cells

Hsinhan Tsai et al.

SCIENCE (2018)

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Article Chemistry, Multidisciplinary

Bandgap engineering of a lead-free defect perovskite Cs3Bi2I9 through trivalent doping of Ru3+

Jinyu Gu et al.

RSC ADVANCES (2018)

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Editorial Material Chemistry, Physical

Can B-Site Doping or Alloying Improve Thermal- and Phase-Stability of All-Inorganic CsPbX3 (X = CI, Br, I) Perovskites?

Abhishek Swarnkar et al.

ACS ENERGY LETTERS (2018)

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Review Engineering, Electrical & Electronic

The future of electronics based on memristive systems

Mohammed A. Zidan et al.

NATURE ELECTRONICS (2018)

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Article Chemistry, Physical

Capping CsPbBr3 with ZnO to improve performance and stability of perovskite memristors

Ye Wu et al.

NANO RESEARCH (2017)

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Article Chemistry, Physical

High Detectivity and Rapid Response in Perovskite CsPbBr3 Single-Crystal Photodetector

Jianxu Ding et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2017)

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Article Chemistry, Physical

A non-volatile organic electrochemical device as a low-voltage artificial synapse for neuromorphic computing

Yoeri van de Burgt et al.

NATURE MATERIALS (2017)

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Article Multidisciplinary Sciences

Iodide management in formamidinium-lead-halide-based perovskite layers for efficient solar cells

Woon Seok Yang et al.

SCIENCE (2017)

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Article Chemistry, Multidisciplinary

Ultrathin Cs3Bi2I9 Nanosheets as an Electronic Memory Material for Flexible Memristors

Yanqiang Hu et al.

ADVANCED MATERIALS INTERFACES (2017)

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Article Multidisciplinary Sciences

Multibit memory operation of metal-oxide bi-layer memristors

Spyros Stathopoulos et al.

SCIENTIFIC REPORTS (2017)

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Article Chemistry, Multidisciplinary

In-Situ Formed Type I Nanocrystalline Perovskite Film for Highly Efficient Light-Emitting Diode

Jin-Wook Lee et al.

ACS NANO (2017)

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Article Chemistry, Multidisciplinary

Resistive Switching Mechanisms on TaOx and SrRuO3 Thin-Film Surfaces Probed by Scanning Tunneling Microscopy

Marco Moors et al.

ACS NANO (2016)

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Article Chemistry, Physical

Bismuth Iodide Perovskite Materials for Solar Cell Applications: Electronic Structure, Optical Transitions, and Directional Charge Transport

Meysam Pazoki et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2016)

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Article Chemistry, Multidisciplinary

Biorealistic Implementation of Synaptic Functions with Oxide Memristors through Internal Ionic Dynamics

Chao Du et al.

ADVANCED FUNCTIONAL MATERIALS (2015)

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Article Chemistry, Multidisciplinary

First-Principles Study of Ion Diffusion in Perovskite Solar Cell Sensitizers

Jun Haruyama et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2015)

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Correction Chemistry, Physical

Giant switchable photovoltaic effect in organometal trihalide perovskite devices (vol 14, pg 193, 2014)

Zhengguo Xiao et al.

NATURE MATERIALS (2015)

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Article Chemistry, Physical

Giant switchable photovoltaic effect in organometal trihalide perovskite devices

Zhengguo Xiao et al.

NATURE MATERIALS (2015)

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Article Chemistry, Multidisciplinary

Comprehensive Physical Model of Dynamic Resistive Switching in an Oxide Memristor

Sungho Kim et al.

ACS NANO (2014)

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Article Chemistry, Multidisciplinary

An 80.11% FF record achieved for perovskite solar cells by using the NH4Cl additive

Chuantian Zuo et al.

NANOSCALE (2014)

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Article Multidisciplinary Sciences

An optoelectronic framework enabled by low-dimensional phase-change films

Peiman Hosseini et al.

NATURE (2014)

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Article Multidisciplinary Sciences

Artificial synapse network on inorganic proton conductor for neuromorphic systems

Li Qiang Zhu et al.

NATURE COMMUNICATIONS (2014)

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Article Chemistry, Physical

BiOCl nanowire with hierarchical structure and its Raman features

Ye Tian et al.

APPLIED SURFACE SCIENCE (2012)

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Article Chemistry, Physical

Short-term plasticity and long-term potentiation mimicked in single inorganic synapses

Takeo Ohno et al.

NATURE MATERIALS (2011)

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Article Materials Science, Multidisciplinary

Synthesis and photocatalytic properties of BiOCl nanowire arrays

Sujuan Wu et al.

MATERIALS LETTERS (2010)

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Inorganic Lead-Free and Bismuth-Based Perovskite Nanoscale-Thick Films for Memristors and Artificial Synapse Applications

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