2,7-Diphenyl[1]benzothieno[3,2-b][1]benzothiophene (purified by sublimation) TCI D3526

Name: TCI D3526 900806-58-8 2,7-Diphenyl[1]benzothieno[3,2-b][1]benzothiophene (purified by sublimation)
Brand: TCI
SKU: TCI2510D352623826
Price: 7348950.0 IDR
Availability: InStock

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Berat 100mg

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Description

2,7-Diphenyl[1]benzothieno[3,2-b][1]benzothiophene, commonly abbreviated by researchers as DPh-BTBT, is an organic semiconductor from the family of fused benzothienobenzothiophenes, designed to serve as the active layer in organic field-effect transistors (OFETs). In electronic materials laboratories, this compound functions as a p-type charge-transport material that is deposited as a thin film, either by vacuum evaporation or by solution coating from high-temperature aromatic solvents. The two phenyl groups at the 2 and 7 positions extend the conjugated system while also promoting ordered molecular packing, which is why the material is routinely adopted as a benchmark reference when researchers evaluate device architectures, gate dielectric layers, or substrate surface treatments.

The characteristic that makes this material a preferred choice is the combination of a sulfur-rich thienothiophene core with rigid aromatic wings. Intermolecular sulfur–sulfur interactions and herringbone-type packing assist orbital overlap between neighbouring molecules, a factor that strongly governs charge transport in organic solids. Equally important, this product is prepared with purification by sublimation, a step that matters greatly for thin-film device work because residual impurities act as charge traps and introduce variability between batches. Working from a sublimed grade therefore gives research groups a more consistent starting point when they compare device results across experiments.

In Indonesian laboratories, this material is typically used within university and institutional research groups working on organic electronics, flexible devices, and printed semiconductor films. It is generally handled inside a glovebox or in a fume-hooded deposition area, weighed in small quantities for evaporation sources or for preparing hot solutions, and then characterized electrically after film formation. Because the same compound is widely reported in the literature, it also serves teaching and method-development purposes, allowing groups to validate a newly built deposition or measurement setup against published behaviour.

Laboratory Applications

Organic field-effect transistor fabrication — serves as the p-type active semiconductor layer, since its fused thienothiophene framework supports the intermolecular orbital overlap that transistor channels depend on.
Thin-film deposition studies by vacuum evaporation — the sublimation-purified grade sublimes cleanly from an evaporation source, making it well suited to controlled film-growth and thickness-dependence experiments.
Solution-processed film coating research — the compound can be coated from high-temperature aromatic solvents, allowing groups to compare solution routes against evaporated films using one identical material.
Benchmark reference material for device architecture comparison — because its behaviour is widely reported, it lets researchers isolate the effect of gate dielectrics, contacts, or device geometry rather than material variability.
Substrate surface treatment and interface evaluation — its tendency toward ordered herringbone packing makes film morphology sensitive to surface preparation, so it reports clearly on the quality of substrate treatments.

Specifications

Brand: TCI
Product code: D3526
CAS number: 900806-58-8
Category: Materials Science > Electronic Materials > Organic Transistor (OFET) Materials
Grade: purified by sublimation
Pack sizes: available in research-scale packaging; please refer to the current catalogue listing for the sizes offered
Storage: keep in the tightly closed original container, protected from light and moisture

Handling and Storage

Store the material in its original tightly closed container, kept in a cool, dry and well-ventilated place away from direct light, since prolonged light and moisture exposure is undesirable for organic semiconductor films. Amber glass vials or the supplied container inside a secondary sealed package are appropriate; for demanding device work, many groups keep the vial inside a desiccator or glovebox. Handle the powder in a fume hood or glovebox, wear gloves, safety glasses and a laboratory coat, and avoid generating dust when weighing small quantities. Use clean, dedicated spatulas and glassware to prevent cross-contamination, close the container promptly after use, and consult the manufacturer's safety data sheet before first handling and for disposal of residues.