Description

4,9-Dihydro-4,4,9,9-Tetraoctyl-S-Indaceno[1,2-B:5,6-B']Dithiophene is a high-performance organic semiconductor material, specifically a ladder-type fused-ring electron donor, critical for advanced optoelectronic applications. Its value lies in its excellent charge carrier mobility and tunable energy levels, enabling the development of more efficient and stable electronic devices. This compound is essential for researchers and manufacturers in the fields of organic photovoltaics (OPVs), organic field-effect transistors (OFETs), and perovskite solar cells.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a key electron-donor material in the active layer of bulk heterojunction solar cells to enhance power conversion efficiency.
• Organic Field-Effect Transistors (OFETs): Used as a high-mobility p-type semiconductor channel material for flexible and printed electronics.
• Perovskite Solar Cell Components: Employed as a hole-transport material (HTM) or an additive to improve film morphology and device stability.
• Photodetectors and Sensors: Functions as a light-absorbing and charge-transporting layer in high-sensitivity optoelectronic sensors.
• Research & Development: A crucial building block for synthesizing novel conjugated polymers and small molecules in academic and industrial R&D labs.
• Printed Electronics: Suitable for solution-processable inks used in roll-to-roll manufacturing of flexible circuits and displays.

Basic Information

Item	Detail
Product Name	4,9-Dihydro-4,4,9,9-Tetraoctyl-S-Indaceno[1,2-B:5,6-B']Dithiophene
CAS No.	1209012-32-7
Molecular Formula	C58H88S2
Molecular Weight	849.45 g/mol
Synonyms	IDT; Tetraoctyl-substituted Indacenodithiophene; 4,4,9,9-Tetraoctyl-4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene; IDT-Oct; IDT-8; Ladder-type Indacenodithiophene derivative; Donor-acceptor polymer precursor
EINECS	Contact for details

Quality Control

Our production of 4,9-Dihydro-4,4,9,9-Tetraoctyl-S-Indaceno[1,2-B:5,6-B']Dithiophene adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity, which is critical for device performance. Each lot is characterized using advanced analytical techniques, including NMR, HPLC, and GC-MS, to confirm identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, residual solvent levels, and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). The compound is light-sensitive; prolonged exposure to light should be avoided to prevent degradation. Keep the container sealed under an inert atmosphere if long-term storage is required to maintain optimal purity.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Residual Solvents (GC)	≤ 0.5% (total)
Heavy Metals	< 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.