Spiro-TTB Description
Spiro-TTB is an organic semiconductor material primarily used as a hole transport material (HTM) in optoelectronic devices, including perovskite solar cells and organic light-emitting diodes (OLEDs). It is a derivative of spirobifluorene, with improved properties that make it suitable for charge transport in thin-film devices.
Spiro-TTB Specification
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Appearance
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light yellow powder
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CAS No.
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515834-67-0
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Chemical Formula
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C81H68N4
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Molecular Weight
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1097.43
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Purity
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≥99.5%
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Melting Point
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146℃
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Spiro-TTB Applications
- Perovskite Solar Cells: Spiro-TTB is used as a hole transport material (HTM) in perovskite solar cells, facilitating the movement of positive charge carriers (holes) from the perovskite layer to the electrode. It offers good energy level alignment with the perovskite material, improving charge extraction and device efficiency.
- Organic Light-Emitting Diodes (OLEDs): In OLEDs, Spiro-TTB is used as a hole transport layer (HTL) to enable efficient charge injection from the anode into the emissive layer, leading to better device performance and light emission.
- Organic Photovoltaics (OPVs): Spiro-TTB can also be used in organic photovoltaic devices to improve charge transport and efficiency.
Spiro-TTB Packaging
Our Spiro-TTB is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
500mg/glass bottle, or customized.
FAQs
Q1: What is Spiro-TTB?
Answer: Spiro-TTB is an organic semiconductor used as a hole transport material (HTM) in optoelectronic devices like perovskite solar cells, organic light-emitting diodes (OLEDs), and organic photovoltaics (OPVs). It helps transport positive charge carriers (holes) within the device, contributing to its efficiency.
Q2: How does Spiro-TTB improve the performance of perovskite solar cells?
Answer: Spiro-TTB improves performance by efficiently transporting positive charge carriers (holes) from the perovskite layer to the electrode. Its good energy level alignment with perovskite materials reduces recombination losses and boosts the overall efficiency of the solar cell.
Q3: How is Spiro-TTB typically processed in device fabrication?
Answer: Spiro-TTB is typically dissolved in organic solvents (such as chlorobenzene or toluene) and applied via spin-coating or solution processing. After forming a uniform film, it acts as the hole transport layer in devices like solar cells and OLEDs, aiding in charge transport.
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