N-BUTYLAMMONIUM BROMIDE C₄H₁₂BRN 99% BABR CAS 15567-09-6RESEARCH GRADE MATERIAL
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TAILORED SOLUTIONS FOR RESEARCH
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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n-Butylammonium bromide is a hygroscopic and light-sensitive white powder that requires strict moisture-free and light-protected storage to prevent deliquescence and hydrolysis. All handling must be performed in an inert-atmosphere glovebox with H2O and O2 below 1 ppm to maintain precursor stoichiometry.
- Moisture Sensitivity: Exposure to atmospheric moisture causes deliquescence and hydrolysis, irreversibly degrading the precursor stoichiometry.
- Light Sensitivity: The compound must be stored in light-protective packaging to prevent photodegradation and maintain material integrity.
- Storage Conditions: Store in a sealed, dry, light-protected environment at room temperature, away from strong oxidizing agents and acidic reagents.
- Glovebox Requirement: Precursor solution preparation requires an inert-atmosphere glovebox with H2O less than 1 ppm and O2 less than 1 ppm to prevent moisture ingress.
- Post-Use Handling: Tighten the container cap immediately after each use to prevent ambient moisture from entering the container.
This procedure outlines the steps to safely handle the hygroscopic, light-sensitive powder and prepare precursor solutions in an inert atmosphere. Strict adherence to moisture-free conditions is essential to prevent material degradation.
Required Equipment: Inert-atmosphere glovebox
- Transfer to storage
Immediately transfer the sealed container upon receipt to a desiccated, light-protected storage environment. - Prepare glovebox
Set up an inert-atmosphere glovebox with H2O and O2 levels below 1 ppm before opening the container. - Don protective gloves
Wear protective gloves throughout all experimental procedures to avoid direct skin contact. - Open container and weigh powder
Open the container inside the glovebox and weigh the required amount of n-butylammonium bromide powder. - Reseal container
Tighten the container cap immediately after use and return it to light-protected, moisture-free storage.
How does the four-carbon butyl chain length of n-butylammonium bromide (BABr) influence dimensionality engineering in quasi-2D perovskite structures compared to shorter or longer chain organic cations?
The four-carbon butyl chain provides an intermediate steric barrier that enables fine-tuning of interlayer spacing between strictly 2D and 3D perovskite phases. This intermediate length allows controlled dimensionality engineering while maintaining sufficient charge transport between perovskite layers, unlike longer chains that may excessively insulate layers.
What specific storage and handling conditions are required to maintain the integrity of n-butylammonium bromide (BABr) for perovskite research?
BABr is hygroscopic and light-sensitive; it must be stored in light-protected, dry, sealed containers at room temperature. Upon receipt, immediate transfer to a desiccated, light-protected environment is required. For solution preparation, handling should be performed in an inert-atmosphere glovebox with H2O < 1 ppm and O2 < 1 ppm to prevent deliquescence and hydrolysis that irreversibly degrade precursor stoichiometry.
How does BABr incorporation improve environmental stability of perovskite optoelectronic devices?
BABr incorporation provides hydrophobic protection at grain boundaries and film surfaces, improving resistance to moisture-induced degradation. This extends device operational lifetime under ambient conditions by passivating surface and grain boundary defect states while reducing non-radiative recombination pathways.
n-Butylammonium Bromide (BABr) is a high-purity (>99%) organic bromide salt designed as a 2D/quasi-2D perovskite spacer precursor, enabling controlled interlayer spacing via its four-carbon alkyl chain and effective surface/grain boundary passivation, but requires strict inert-atmosphere handling and light-protected dry storage due to its hygroscopic and light-sensitive nature.
Positive
- Intermediate chain length for dimensionality control: The four-carbon butyl chain provides an intermediate steric barrier, enabling fine-tuning of interlayer spacing and controlled dimensionality engineering between strictly 2D and 3D perovskite phases.
- Effective surface and grain boundary passivation: The butylammonium cation selectively passivates surface and grain boundary defect states in perovskite thin films, reducing non-radiative recombination while maintaining charge transport between layers.
Trade-offs
- Strict storage and handling requirements: The material is hygroscopic and light-sensitive, requiring immediate transfer to a desiccated, light-protected environment upon receipt and handling within an inert-atmosphere glovebox (H₂O < 1 ppm, O₂ < 1 ppm) to prevent deliquescence and hydrolysis.
- Incompatibility with oxidizing agents and acids: Storage must avoid strong oxidizing agents and acidic reagents, as exposure can degrade precursor stoichiometry; container must be tightly sealed after each use to prevent moisture ingress.
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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.
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