PCDTBT

CAS 958261-50-2(C43H47N3S3)nC12H10Organic & Printed Electronics

Poly[N-9′-heptadecanyl-2,7-carbazole-alt-5,5-(4′,7′-di-2-thienyl-2′,1′,3′-benzothiadiazole)], also known by the acronym PCDTBT (CAS: 958261-50-2), is a p-type organic semiconductor polymer. With an average molecular weight typically ranging from 20,000 to 100,000 g/mol, it is primarily utilised in the development of organic photovoltaic (OPV) cells and organic field-effect transistors (OFETs) due to its favourable electronic and optoelectronic properties.

IUPAC: Poly[N-9′-heptadecanyl-2,7-carbazole-alt-5,5-(4′,7′-di-2-thienyl-2′,1′,3′-benzothiadiazole)],Poly[[9-(1-octylnonyl)-9H-carbazole-2,7-diyl]-2,5-thiophenediyl-2,1,3-benzothiadiazole-4,7-diyl-2,5-thiophenediyl]

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PCDTBT ((C43H47N3S3)nC12H10) — chemical structure, CAS 958261-50-2; Materials Science, fine chemical supplied by Tech Serve Solutions

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01 /Applications

Organic Photovoltaics (OPVs)

PCDTBT serves as a key donor material in bulk heterojunction solar cells. It exhibits good power conversion efficiencies when blended with fullerene acceptors like PC71BM, demonstrating its potential for efficient solar energy conversion.

Organic Field-Effect Transistors (OFETs)

As a p-type semiconductor, PCDTBT is employed in the fabrication of OFETs. Its charge transport characteristics, including a reported mobility of 6x10⁻⁵ cm²/V·s, make it suitable for flexible electronics and sensor applications.

Materials Science Research

This polymer is a valuable material for researchers exploring novel organic electronic devices and advancing the understanding of charge transport mechanisms in conjugated polymer systems.

Printed Electronics

PCDTBT's processability makes it compatible with printing techniques, enabling the development of low-cost, large-area electronic devices on various substrates.

02 /Properties

Linear formula	(C43H47N3S3)nC12H10
Loss on drying	0.5 wt. % TGA, 409 °C
Melting point	270-300 °C

03 /Identifiers & registry

CAS number

958261-50-2

04 /Additional specifications

Mol Wt	average Mw 20,000-100,000
Transition Temp	Tm >400 °C
Absorption	λmax 576 nm
Semiconductor Properties	P-type (mobility=6×10−5 cm2/V·s)
Orbital Energy	HOMO 5.5 eV LUMO 3.6 eV

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What are the primary uses of PCDTBT?

PCDTBT is primarily used as a p-type organic semiconductor in the development of organic photovoltaic (OPV) cells and organic field-effect transistors (OFETs).

What is the CAS number and linear formula for PCDTBT?

The CAS number for PCDTBT is 958261-50-2. Its linear formula is (C₄₃H₄₇N₃S₃)nC₁₂H₁₀.

What grade and purity does Tech Serve Solutions supply for PCDTBT?

Tech Serve Solutions supplies PCDTBT for research and development purposes. The specific assay and purity are available on the product's Certificate of Analysis. It is not supplied as USP, BP, or EP grade.

How should PCDTBT be handled and stored?

PCDTBT has a high melting point (Tm >400 °C) and thermal decomposition onset (TGA, 409 °C). Specific handling and storage instructions should be followed as per the Safety Data Sheet (SDS) to ensure safe use and maintain product integrity.

How is PCDTBT packed and shipped?

PCDTBT is carefully packed to ensure its stability during transit and is available for domestic and international export. Please contact us for specific shipping and export details.

How can I request a sample or a quote for PCDTBT?

To request a sample or a quotation for PCDTBT, please contact our sales team through the website or by phone. Provide your specific requirements, including quantity and delivery location.