4-METHOXY-PHENETHYLAMMONIUM BROMIDE C₉H₁₄BRNO 99% 4MEO-PEABRRESEARCH GRADE MATERIAL
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TAILORED SOLUTIONS FOR RESEARCH
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This hygroscopic, light-sensitive organic bromide salt requires strict anhydrous, light-protected storage to prevent deliquescence and hydrolysis. Exposure to atmospheric moisture irreversibly degrades precursor stoichiometry, compromising perovskite thin-film crystallization quality.
- Moisture Sensitivity: Atmospheric moisture exposure causes deliquescence and hydrolysis, irreversibly altering precursor stoichiometry.
- Light Sensitivity: Photodegradation necessitates storage in light-protective packaging and a dark environment.
- Incompatible Storage: Do not store together with strong oxidizing agents or acidic reagents to avoid hazardous reactions.
This protocol describes safe handling and solution preparation of the hygroscopic, light-sensitive salt under inert atmosphere. All steps must be performed in a glovebox with H₂O < 1 ppm and O₂ < 1 ppm to maintain material integrity.
Required Equipment: Inert-atmosphere glovebox (H₂O < 1 ppm, O₂ < 1 ppm), Light-protective storage container, Protective gloves
- Transfer to Glovebox
Transfer the sealed, light-protective package into an inert-atmosphere glovebox immediately upon receipt. - Open Package Under Inert Atmosphere
Open the package only inside the glovebox to prevent moisture ingress from ambient air. - Weigh Required Amount
Weigh the desired amount of white solid using a clean spatula and tare container within the glovebox. - Reseal Bulk Material
Tighten the container cap immediately after each use to prevent moisture ingress from ambient air. - Prepare Precursor Solution
Dissolve the weighed solid in anhydrous solvent under glovebox conditions for spin-coating or solution blending.
How does the methoxy functionalization in 4MeO-PEABr improve perovskite thin film quality compared to unsubstituted PEABr?
The electron-donating methoxy substituent on the aromatic ring modulates molecular dipole interactions within the perovskite lattice, providing an additional structural parameter beyond simple spacer length. This dipole engineering optimizes crystallization kinetics, promoting improved film morphology with reduced defect density compared to unsubstituted PEABr, while simultaneously passivating grain boundary and surface defects through combined structural and electronic passivation mechanisms.
What are the critical storage and handling requirements for 4-methoxy-phenethylammonium bromide?
The compound is hygroscopic and light-sensitive. It must be stored in a light-protected, dry, sealed container at room temperature, away from strong oxidizing agents and acidic reagents. Upon receipt, transfer immediately to a desiccated, light-protected environment. For solution preparation, handle the white solid within an inert-atmosphere glovebox with H₂O < 1 ppm and O₂ < 1 ppm to prevent deliquescence and hydrolysis that would irreversibly degrade precursor stoichiometry.
What glovebox conditions are required when handling 4MeO-PEABr for precursor solution preparation?
The material must be handled within an inert-atmosphere glovebox maintaining H₂O < 1 ppm and O₂ < 1 ppm. Exposure to atmospheric moisture causes deliquescence and hydrolysis, irreversibly degrading precursor stoichiometry. Always tighten the container cap immediately after use and wear protective gloves to avoid skin contact.
4-Methoxy-Phenethylammonium Bromide (4MeO-PEABr) is a research-grade organic bromide salt (>99% purity) designed as a dipole modulator for 2D perovskite optoelectronics, offering methoxy-functionalized tuning of crystallization and passivation. Its hygroscopic and light-sensitive nature mandates inert-atmosphere handling and strict dry, light-protected storage to prevent degradation.
Positive
- Methoxy-functionalized dipole engineering: The electron-donating methoxy substituent modulates molecular dipole interactions within the perovskite lattice, providing an additional structural parameter beyond spacer length for tuning optoelectronic properties in 2D perovskite systems.
- Ultra-high purity >99%: Refined to >99% purity with low batch impurity content, minimizing extrinsic defects in 2D perovskite thin films and supporting reproducible device performance across experimental batches.
Trade-offs
- Hygroscopic and light-sensitive storage: Requires strict light-protected, dry, sealed storage at room temperature; exposure to atmospheric moisture causes deliquescence and irreversible degradation of precursor stoichiometry. Handling must be performed in an inert-atmosphere glovebox (H₂O < 1 ppm, O₂ < 1 ppm).
- No assigned CAS number: This product does not have an assigned CAS number, requiring use of catalog number MS300750 for ordering and documentation, which may complicate procurement and regulatory compliance in some institutions.
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 excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
