Description
SPIRO-OMETAD POWDER 99.8% TRIPLE PURIFIED CAS 207739-72-8 HTLRESEARCH GRADE MATERIAL
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official quotations.
EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This material is moisture-sensitive and degrades upon exposure to ambient humidity, requiring glovebox or low-humidity environment (H₂O < 1 ppm) for all handling. Prolonged UV exposure and high temperature accelerate degradation, compromising hole transport properties and device performance.
- Moisture Sensitivity: Conduct all weighing, dispensing, and solution preparation within a glovebox or low-humidity environment to prevent moisture-induced degradation.
- Light Protection: Store the material in light-protective, moisture-barrier packaging and avoid direct UV exposure to maintain electronic performance characteristics.
- Temperature Stability: Avoid high temperature storage conditions to prevent thermal degradation and maintain uniform dissolution behavior in standard HTL solvents.
- Post-Opening Protocol: After opening, use the contents promptly and reseal the container immediately to minimize exposure to ambient humidity.
This procedure describes safe handling and solution preparation of Spiro-OMeTAD powder under inert atmosphere for spin-coating deposition. All steps must be performed in a glovebox with H₂O < 1 ppm to prevent moisture-induced degradation.
Required Equipment: Glovebox with H₂O < 1 ppm, Analytical balance, Light-protective storage container
- Transfer material to glovebox
Transfer the sealed Spiro-OMeTAD container into a glovebox with H₂O < 1 ppm before opening to prevent moisture exposure. - Weigh required amount
Weigh the desired mass of Spiro-OMeTAD powder using an analytical balance inside the glovebox, ensuring minimal exposure to light. - Prepare solution in anhydrous solvent
Dissolve the weighed powder in anhydrous chlorobenzene or o-dichlorobenzene at the desired concentration, stirring until fully dissolved. - Add dopants if required
Add appropriate dopants such as Li-TFSI and tBP to the solution for enhanced conductivity, mixing thoroughly. - Filter solution before deposition
Filter the prepared solution through a 0.2 µm PTFE filter to remove any particulates before spin-coating. - Reseal and store remaining powder
Reseal the original container immediately after use and store it in a cool, dry, light-protected environment within the glovebox.
How does the triple purification process and ≥99.8% purity of Spiro-OMeTAD benefit perovskite solar cell device performance compared to lower purity grades?
The triple purification process delivers extremely low impurity content, eliminating charge trapping sites and parasitic recombination pathways that compromise hole extraction efficiency. This directly enhances power conversion efficiency, while the uniform powder morphology and excellent batch-to-batch stability—characterized by minimal color variation and no agglomeration—ensure reproducible film formation and experimental reliability.
What solvents and dopants are required for processing Spiro-OMeTAD as a hole transport layer?
Spiro-OMeTAD is efficiently soluble in chlorobenzene and o-dichlorobenzene, as well as other common HTL solvents. For enhanced conductivity, it is typically used with appropriate dopants such as Li-TFSI and tBP. All solution preparation and deposition must be conducted in a glovebox or low-humidity environment (H₂O < 1 ppm) to prevent moisture-induced degradation.
What are the critical storage and handling requirements to prevent degradation of Spiro-OMeTAD powder?
The material must be stored sealed in a cool, dry, light-protected environment, avoiding high temperature, humidity, and direct UV exposure. Upon receipt, transfer immediately to a glovebox or vacuum desiccator. All weighing, dispensing, and solution preparation must be performed in a glovebox or low-humidity environment (H₂O < 1 ppm), and protective gloves and a dust mask should be worn to avoid skin contact and inhalation.
This Spiro-OMeTAD powder (99.8% triple purified) is evaluated as a high-purity hole transport material for perovskite solar cells, offering exceptional batch consistency and impurity control, but requiring strict moisture- and light-free handling and storage conditions.
Positive
- Triple purification ≥99.8%: Three-stage purification eliminates charge trapping sites and parasitic recombination pathways, directly improving hole extraction efficiency in perovskite devices.
- Batch-to-batch stability: Rigorous quality control ensures minimal color variation, no agglomeration, and uniform film formation across production batches, supporting reproducible device efficiency data.
Trade-offs
- Moisture-sensitive handling: The material degrades upon exposure to ambient humidity, requiring all weighing, dispensing, and solution preparation within a glovebox or low-humidity environment (H₂O < 1 ppm).
- Light and UV exposure sensitivity: Prolonged exposure to light or UV radiation compromises hole transport properties; storage must be in sealed, cool, dry, light-protected conditions away from high temperature and humidity.
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).
