N-OCTYLAMMONIUM BROMIDE C₈H₂₀BRN 99% OABR CAS 14846-47-0RESEARCH GRADE MATERIAL
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TAILORED SOLUTIONS FOR RESEARCH
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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n-Octylammonium bromide is highly hygroscopic and light-sensitive, requiring storage in a dry, light-protected environment under inert atmosphere. Exposure to moisture causes deliquescence and hydrolysis, degrading precursor stoichiometry; handling must be performed in a glovebox with H2O and O2 below 1 ppm.
- Moisture Sensitivity: Exposure to atmospheric moisture causes deliquescence and hydrolysis, irreversibly degrading the precursor stoichiometry.
- Light Sensitivity: The material must be stored in light-protective packaging to prevent photodegradation.
- Glovebox Requirement: Handling for solution preparation requires an inert-atmosphere glovebox with H2O below 1 ppm and O2 below 1 ppm.
- Container Sealing: Tighten the container cap immediately after each use to prevent moisture ingress.
- Incompatible Materials: Do not store together with strong oxidizing agents or acidic reagents to avoid hazardous reactions.
Upon receipt, transfer the material to a desiccated, light-protected storage environment. For solution preparation, handle the powder inside an inert-atmosphere glovebox with stringent moisture and oxygen control.
Required Equipment: Inert-atmosphere glovebox (H2O < 1 ppm, O2 < 1 ppm)
- Initial Storage Transfer
Transfer the material from the shipping container to a desiccated, light-protected storage environment immediately upon receipt. - Glovebox Verification
Verify that the inert-atmosphere glovebox maintains H2O below 1 ppm and O2 below 1 ppm before handling. - Powder Handling
Handle the powder inside the glovebox when preparing precursor solutions to avoid moisture exposure. - Post-Use Sealing
Tighten the container cap immediately after each use to prevent moisture ingress.
How does n-Octylammonium Bromide (OABr) compare to n-Octylammonium Iodide (OAI) for 2D perovskite bandgap engineering?
OABr serves as the bromide analog to OAI, enabling independent control of both the organic spacer cation and halide composition in 2D perovskite systems. This provides an additional degree of freedom for bandgap and stability engineering, allowing researchers to tune optoelectronic properties beyond what OAI alone offers.
What are the critical handling and storage requirements for n-Octylammonium Bromide to prevent degradation?
OABr is hygroscopic and light-sensitive. It must be stored in a light-protected, dry, sealed container at room temperature. For solution preparation, handle the white powder within an inert-atmosphere glovebox with H₂O < 1 ppm and O₂ < 1 ppm to prevent deliquescence and hydrolysis, which irreversibly degrade precursor stoichiometry.
How does the octyl chain in n-Octylammonium Bromide enhance moisture stability in perovskite devices?
The eight-carbon octyl chain provides a hydrophobic steric barrier that blocks moisture ingress into the perovskite lattice, significantly enhancing environmental stability compared to short-chain or aromatic ammonium counterparts. This protective organic layer between inorganic perovskite sheets is critical for device longevity in 2D perovskite optoelectronics.
n-Octylammonium Bromide (OABr) is a high-purity (>99%) organic bromide salt designed as a 2D perovskite spacer cation, offering a hydrophobic octyl chain that passivates grain boundaries and blocks moisture ingress for enhanced environmental stability. However, its hygroscopic and light-sensitive nature mandates storage under inert, dry, light-protected conditions and handling within a glovebox (H₂O <1 ppm, O₂ <1 ppm) to prevent deliquescence and stoichiometric degradation.
Positive
- Long Alkyl Chain Moisture Barrier: The eight-carbon octyl chain provides a hydrophobic steric barrier that effectively blocks moisture ingress into the perovskite lattice, significantly enhancing environmental stability compared to short-chain or aromatic ammonium counterparts.
- Ultra-High Purity >99%: Refined to >99% purity with low batch impurity content, the precursor minimizes extrinsic defects in 2D perovskite thin films and supports reproducible device performance across experimental batches.
Trade-offs
- Hygroscopic and Light-Sensitive Storage: The material is hygroscopic and light-sensitive, requiring immediate transfer to a desiccated, light-protected environment upon receipt and container tightening after each use to prevent moisture ingress and photodegradation.
- Inert-Atmosphere Handling Required: Precursor solutions must be prepared within an inert-atmosphere glovebox (H₂O <1 ppm, O₂ <1 ppm) to avoid deliquescence and hydrolysis that irreversibly degrade precursor stoichiometry.
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).
