Description
PHENETHYLAMMONIUM IODIDE C₈H₁₂IN 99% PEAI CAS 151059-43-7RESEARCH GRADE MATERIAL
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TAILORED SOLUTIONS FOR RESEARCH
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EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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Phenethylammonium iodide is a hygroscopic and light-sensitive compound that requires strict moisture and light protection to maintain stoichiometric integrity. All handling of the solid must be performed within an inert-atmosphere glovebox to prevent irreversible degradation.
- Storage Requirement: Store the material in a light-protected, dry, sealed container at room temperature to prevent photodegradation and moisture ingress.
- Handling Restriction: Immediately tighten the container cap after each use to avoid ambient moisture exposure.
- Processing Environment: Prepare precursor solutions within an inert-atmosphere glovebox maintaining water and oxygen levels below 1 ppm.
- Chemical Incompatibility: Do not store together with strong oxidizing agents or acidic reagents to prevent hazardous reactions.
- Failure Mode: Exposure to atmospheric moisture causes deliquescence and hydrolysis, irreversibly altering the precursor stoichiometry.
This procedure outlines the critical steps to preserve the purity and reactivity of phenethylammonium iodide for perovskite thin-film processing. Adherence to these steps prevents degradation from moisture and light exposure.
Required Equipment: Inert-atmosphere glovebox (H₂O < 1 ppm, O₂ < 1 ppm), Protective gloves, Light-protective desiccated storage container
- Inspect and transfer
Transfer the crystalline solid immediately to a desiccated, light-protected storage environment upon receipt. - Seal after use
Tighten the container cap immediately after each use to prevent moisture ingress from ambient air. - Store properly
Store the sealed container in a light-protected, moisture-free environment at room temperature away from incompatible chemicals. - Wear protective gear
Wear protective gloves throughout all experimental procedures to avoid direct skin contact. - Prepare solutions
Handle the solid inside an inert-atmosphere glovebox when preparing precursor solutions.
How does the moisture resistance of PEAI compare to aliphatic ammonium-based passivation agents for 2D/3D perovskite heterostructures?
PEAI provides superior moisture resistance because the aromatic phenethyl group enhances hydrophobicity relative to aliphatic ammonium counterparts. This directly extends device operational lifetime by suppressing ingress of atmospheric moisture, though the aromatic moiety may alter the electronic structure of the 2D phase. The material's >99% purity ensures minimal extrinsic defects from the passivation layer.
What handling conditions are required when incorporating PEAI into perovskite precursor solutions for spin-coating?
PEAI is hygroscopic and light-sensitive; precursor solutions must be prepared inside an inert-atmosphere glovebox (H₂O < 1 ppm, O₂ < 1 ppm) to prevent hydrolysis and deliquescence. Exposure to ambient moisture irreversibly degrades the precursor stoichiometry, compromising device reproducibility. The solid must also be stored in light-protected, sealed containers at room temperature.
What are the critical storage requirements to prevent degradation of phenethylammonium iodide after opening the container?
After each use, immediately tighten the container cap to block moisture ingress and store the material in a light-protected, dry, sealed environment at room temperature. Avoid storage with strong oxidizing agents or acidic reagents. Use protective gloves during handling; long-term degradation from deliquescence is irreversible.
Phenethylammonium Iodide (PEAI, 99%) provides critical 2D perovskite passivation and dimensionality control for optoelectronic devices, but demands stringent inert-atmosphere handling and light-protected hygroscopic storage to prevent degradation.
Positive
- Effective surface and grain boundary passivation: The phenethylammonium cation selectively passivates defect states in 3D perovskite films, suppressing non-radiative recombination to enhance environmental stability and power conversion efficiency.
- Ultra-high purity exceeding 99%: Refined to >99% purity with low batch impurity content, minimizing extrinsic defects introduced during passivation layer deposition for reproducible device performance.
Trade-offs
- Hygroscopic and light-sensitive storage: Requires immediate transfer to a desiccated, light-protected environment upon receipt; ambient moisture causes deliquescence and irreversible degradation of precursor stoichiometry.
- Glovebox required for solution preparation: Handling the white crystalline solid demands an inert-atmosphere glovebox with H2O < 1 ppm and O2 < 1 ppm, adding laboratory infrastructure and procedural overhead.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
