Description
PHENETHYLAMMONIUM BROMIDE C₈H₁₂BRN 99% PEABR CAS 53916-94-2RESEARCH GRADE MATERIAL
|
|||||||||||||||||||||||||
|
|||||||||||||||||||||||||
|
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official quotations.
EMAIL: inquiry@atomfair.com
|
|||||||||||||||||||||||||
|
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
|
Phenethylammonium bromide is highly hygroscopic and light-sensitive, requiring storage in a dry, light-protected, sealed environment at room temperature. Precursor solutions must be prepared within an inert-atmosphere glovebox to prevent degradation from moisture and oxygen exposure.
- Moisture Sensitivity: Exposure to atmospheric moisture will cause deliquescence and hydrolysis, irreversibly degrading precursor stoichiometry.
- Light Sensitivity: The material must be stored in light-protective packaging to prevent photodegradation.
- Storage Environment: Immediately transfer the sealed package to a desiccated, light-protected storage environment upon receipt.
- Handling Precautions: Wear protective gloves and tighten the container cap immediately after each use to prevent moisture ingress.
- Inert Atmosphere Requirement: When preparing precursor solutions, handle the white crystalline solid within an inert-atmosphere glovebox with H₂O and O₂ levels below 1 ppm.
This procedure outlines safe handling and solution preparation for phenethylammonium bromide to maintain purity and prevent degradation. Steps include immediate transfer to appropriate storage, handling within a glovebox, and post-use sealing.
Required Equipment: Inert-atmosphere glovebox, Desiccated storage container, Protective gloves
- Transfer to Storage
Transfer the sealed package to a desiccated, light-protected storage environment immediately upon receipt. - Prepare Precursor Solutions
Prepare precursor solutions by handling the white crystalline solid inside an inert-atmosphere glovebox with H₂O and O₂ levels below 1 ppm. - Post-Use Handling
Wear protective gloves and tighten the container cap immediately after each use to prevent moisture ingress.
How does the aromatic phenethyl group in PEABr improve moisture stability compared to aliphatic spacer cations in 2D perovskite devices?
PEABr provides superior moisture resistance due to its aromatic phenethylammonium spacer cation, which enhances hydrophobicity compared to aliphatic counterparts like butylammonium, directly extending operational device lifetime in 2D Ruddlesden-Popper phase perovskites. The >99% purity ensures consistent passivation performance without extrinsic defects.
Which thin-film deposition methods are compatible with PEABr for fabricating passivation layers on 3D perovskite films?
PEABr is compatible with spin-coating and solution blending deposition protocols commonly used in perovskite solar cell and optoelectronic device fabrication, serving as a precursor for 2D/3D mixed-dimensional heterostructures. The material must be handled in an inert-atmosphere glovebox (H₂O < 1 ppm, O₂ < 1 ppm) during solution preparation to prevent degradation.
What specific handling precautions are required for phenethylammonium bromide to prevent decomposition before device fabrication?
Phenethylammonium bromide is hygroscopic and light-sensitive, requiring storage in light-protected, dry, sealed containers at room temperature, with immediate transfer to a desiccated environment upon receipt. For precursor solution preparation, the white crystalline solid must be handled inside an inert-atmosphere glovebox with H₂O < 1 ppm and O₂ < 1 ppm, and the container cap tightened immediately after each use to prevent moisture ingress.
Phenethylammonium Bromide (PEABr) at >99% purity is a critical 2D perovskite spacer cation for surface defect passivation and dimensionality engineering, significantly enhancing device stability and efficiency; however, its hygroscopic and light-sensitive nature necessitates inert-atmosphere handling and strict storage protocols to prevent irreversible degradation.
Positive
- Effective surface defect passivation: The phenethylammonium cation selectively passivates surface and grain boundary defect states in 3D perovskite films, suppressing non-radiative recombination and directly enhancing open-circuit voltage and fill factor in photovoltaic devices.
- Moisture resistance via dimensionality engineering: PEABr serves as the spacer cation for 2D Ruddlesden-Popper perovskite formation; the aromatic phenethyl group provides superior moisture resistance compared to aliphatic counterparts, extending device operational lifetime.
Trade-offs
- Hygroscopic and light-sensitive storage: The material requires light-protected, dry, sealed storage at room temperature; exposure to ambient moisture or light degrades precursor quality, necessitating transfer to a desiccated environment and handling within an inert-atmosphere glovebox.
- Irreversible degradation upon moisture exposure: Atmospheric moisture causes deliquescence and hydrolysis, irreversibly compromising precursor stoichiometry; strict adherence to dry handling protocols is essential for reproducible passivation performance.
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).
