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Meeting Materials Science & Technology 2019
Symposium Controlled Synthesis, Processing, and Applications of Structural and Functional Nanomaterials
Presentation Title Perovskite-based Functional Nanocomposites for Highly Stable and Efficient Hybrid Solar Cells
Author(s) Yoon-Bong Hahn
On-Site Speaker (Planned) Yoon-Bong Hahn
Abstract Scope Poor stability of perovskite solar cells (PSCs) has prevented the devices from practical applications that can withstand sustained long-term operation. Furthermore, most of presented PSCs utilize halogenated antisolvents such as toluene and chlorobenzene to assist perovskite crystal growth, but they are highly toxic and detrimental to environment. To solve such issues, we developed a simple method for the production of functional nanocomposites such as Ag-rGO, perovskite-NiO, perovskite/Ag-rGO, etc and utilized them for the fabrication of highly stable and efficient PSCs. In addition, to solve interfacial degradation whcih affects device performance Al2O3/NiO layers were inserted between elecrtron transport layer and active layer. By introducing the functional nanocomposites into PSCs with interface engineering, we obtained high efficiency of >18 % and excellent reproducibility. More importantly, the perovskite/Ag-rGO based PSCs without encapsulation showed significant enhancement in long-term stability over 330 days with retaining over 95 % of its photovoltaic parameters under ambient conditions.
Proceedings Inclusion? Definite: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3-D Assembled MnO2 Nanosheets and Conversion to Tunnel-structured MnO2
A Novel Synthesis Method for Independent Control of Grain Size, Dispersion and Phase Composition of Thin Films
An All Zirconia Ceramic Solid Oxide Fuel Cell with Improved Power Generation
Assembly and Integration of Multisegment Nanowires for Electronics and Sensor Applications
Boron Nitride Nanotubes with High Purity for Thermal Management
Controlled Synthesis of Lamellar-like Electrospun Ceramic Nanofibers for Energy Application
Crafting Uniform Hairy Nanocrystals for Energy Conversion and Storage
Defect Effects on the Enhanced Photocatalytic Properties of 2D MoO3 Nanoflakes
Elaboration of Solid Nano-structured Electrolytes of Ce0.85-xGd0.15MxO2- (x = 0.03, 0.05 and M = Sm and La) and Measurement of Ionic Conductivity at Intermediate Temperatures
Electroactive Materials for Divalent Ion Rechargeable Batteries
Epitaxial Growth of Soft Perovskites and the Hidden Carrier Dynamics
Facile and Scalable Fabrication of Free-standing Reticulated 3D Graphene Foam via Freeze Drying
Light-matter Interactions in Nanocrystalline Ceramics Near the Mie Scattering Limit
Nanocomposites TiO2-layered Hydroxides. Structure and Photocatalytic Decomposition of Vanillin and Methyl Orange
Nickel-SiOC Magnetoceramics from Water Assisted Pyrolysis of Polymers
Oxidation and Stabilization of 2D MXene Nanosheets
Oxygen Vacancies in Nanostructured Metal-oxide Gas Sensors
P1-102: Effect of Ca Addition on Grain Refinement of Fe-B-P-Cu Alloys
P1-103: Gas Phase Sodium Flame Synthesis of Non-oxide Metallic Powders
P1-104: Structural and Magnetic Properties of NiO@MnxNi1-xO Core-Shell Nanoparticles Synthesized at Varying pH Values
P1-106: Electrochemical Performances of Biomass Carbons Derived from Cassava and Bamboo as Advanced Electrode Materials
P1-108: Carbon Rich SiOCN Fibers from Silazane/PAA Hybrid Polymer
P1-109: Particle and Grain Size Relationships in Environmentally Controlled - Pressure Assisted Sintering
P1-110: Understanding Crystallization Behavior within Microfluidic Droplets
P1-111: Study on the Safety and Longevity of Nanometer Insulation Materials
Perovskite-based Functional Nanocomposites for Highly Stable and Efficient Hybrid Solar Cells
Phase-field Modeling of Self-organization in Physical Vapor-deposited Alloy Films with Coherent Elastic Misfit
Polymer Intercalation Synthesis of GlycoBoehmite Nanosheets
Scalable Electrospinning of CsH2PO4 Micro- and Nanometer Fibers for Solid Acid Fuel Cell Applications
Self Supported Cu Doped TiO2 Nano-fibrous Blankets for Visible Light Photo Catalysis
Shape Evolution of CdSe/CdS Dot-in-Rods into Multi-tiered Pyramidal Nanocrystals: Growth Mechanisms and Optical Properties
Synthesis and Processing of Quantum Dots for Improved Photoluminescence Quantum Yields
Synthesis of PbSe Colloidal Quantum Dots Using a Batch Microwave Reactor
Synthesis, Processing and Additive Manufacturing of Architected Materials with Designed Structural and Multi-functional Responses
The Core-shell Engineering on Energy Product of Magnetic Nanometals
Thermal Conductivity Reduction in 7 wt% Yttria Doped Zirconia Nanocrystalline Ceramics
Topochemical Conversion of Different Shaped BaTiO3 and Its Effect on Boosting Electrical Properties of Composite Materials
Two-dimensional Titanium Carbonitride MXene as Electrocatalyst for Hydrogen Evolution Reaction

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