N-BUTYLAMMONIUM IODIDE C₄H₁₂IN 99% BAI CAS 36945-08-1RESEARCH 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 iodide is hygroscopic and light-sensitive, requiring strict protection from moisture and light to prevent deliquescence and hydrolysis. Storage must be in a sealed, desiccated container at room temperature, away from strong oxidizing agents and acidic reagents.
- Moisture Sensitivity: Exposure to atmospheric moisture causes deliquescence and hydrolysis, irreversibly degrading precursor stoichiometry.
- Light Sensitivity: The material must be stored in light-protective packaging to prevent photodegradation.
- Inert Atmosphere Requirement: All handling and solution preparation must be performed inside an inert-atmosphere glovebox with H₂O < 1 ppm and O₂ < 1 ppm.
- Container Integrity: The container cap must be tightened immediately after each use to prevent moisture ingress from ambient air.
- Incompatible Storage: Do not store together with strong oxidizing agents or acidic reagents to avoid hazardous reactions.
This procedure describes the safe receipt, storage, and solution preparation of n-butylammonium iodide under inert atmosphere. Strict adherence to moisture and light protection is required to maintain material integrity.
Required Equipment: Inert-atmosphere glovebox (H₂O < 1 ppm, O₂ < 1 ppm), Desiccated, light-protected storage container, Protective gloves
- Transfer to Glovebox
Transfer the sealed package into an inert-atmosphere glovebox immediately upon receipt to prevent moisture exposure. - Store in Desiccated Container
Store the material in a desiccated, light-protected container at room temperature within the glovebox. - Tighten Cap After Use
Tighten the container cap immediately after each use to maintain a moisture-free environment. - Wear Protective Gloves
Wear protective gloves throughout all experimental procedures to avoid direct skin contact. - Prepare Solutions in Glovebox
When preparing precursor solutions, handle the white powder exclusively within the inert-atmosphere glovebox. - Avoid Incompatible Reagents
Ensure the material does not come into contact with strong oxidizing agents or acidic reagents during storage or handling.
How does the four-carbon butyl chain length of n-butylammonium iodide affect optoelectronic properties compared to shorter or longer chain spacers?
The four-carbon butyl chain provides an intermediate steric barrier between short-chain and long-chain ammonium cations, enabling fine-tuning of interlayer spacing and controlled dimensionality engineering in 2D and quasi-2D perovskite systems. This balance allows researchers to modulate moisture barrier effectiveness and charge transport properties without the extreme confinement effects of very short chains or the excessive insulating layers of very long chains.
What are the critical handling requirements to prevent degradation of n-butylammonium iodide during precursor solution preparation?
n-Butylammonium iodide is hygroscopic and light-sensitive, requiring handling within an inert-atmosphere glovebox (H₂O < 1 ppm, O₂ < 1 ppm) when preparing precursor solutions. The container must be tightly sealed immediately after each use, and the material must be stored in a light-protected, dry, sealed environment at room temperature. Exposure to atmospheric moisture causes deliquescence and hydrolysis, irreversibly degrading precursor stoichiometry.
How does the iodide analog (BAI) differ from the bromide analog (BABr) in terms of halide composition flexibility for 2D perovskite systems?
As the iodide counterpart to BABr, n-butylammonium iodide enables independent control of both the organic spacer cation and halide composition in 2D perovskite systems, providing an additional degree of freedom for bandgap and stability engineering. This halide composition flexibility allows researchers to tune optoelectronic properties independently of the spacer cation choice, which is critical for optimizing device performance in photovoltaic and light-emitting applications.
n-Butylammonium Iodide (BAI, 99% purity) is a short-alkyl-chain organic iodide salt designed as a 2D/quasi-2D perovskite spacer precursor. Its four-carbon butyl chain enables controlled interlayer spacing and dimensionality engineering, while the butylammonium cation provides a hydrophobic moisture barrier and grain boundary passivation. The iodide analog offers halide composition flexibility for bandgap tuning. However, the material is highly hygroscopic and light-sensitive, requiring strict inert-atmosphere glovebox handling (H₂O < 1 ppm, O₂ < 1 ppm) and light-protected, dry storage to prevent deliquescence and stoichiometric degradation.
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 in 2D and quasi-2D perovskite systems.
- Moisture barrier with grain boundary passivation: The butylammonium cation forms a hydrophobic protective layer at perovskite film surfaces and grain boundaries, simultaneously blocking moisture ingress and passivating defect states for enhanced environmental stability.
Trade-offs
- Hygroscopic and light-sensitive storage required: The material is hygroscopic and light-sensitive; exposure to atmospheric moisture causes deliquescence and hydrolysis, irreversibly degrading precursor stoichiometry. Storage must be light-protected, dry, sealed, and at room temperature.
- Inert-atmosphere glovebox handling mandatory: When preparing precursor solutions, the white powder must be handled within an inert-atmosphere glovebox (H₂O < 1 ppm, O₂ < 1 ppm) to prevent moisture-induced degradation, adding infrastructure and expertise requirements.
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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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