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IHIC

CAS Number 2127354-15-6

Non-Fullerene Acceptors


Product Code M2239A1-100mg
Price $475 ex. VAT

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IHIC, NFA with rigid planar structure to promote inter-molecular charge transport

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IHIC, also known as 4TIC, has an acceptor–donor–acceptor (A–D–A) structure consisting of an electron-rich fused hexacyclic unit dithienocyclopentathieno[3,2-b]thiophene core and two electron withdrawing 1,1-dicyanomethylene-3-indanone (IC) terminal units. The rigid planar structure of dithienocyclopentathieno[3,2-b]thiophene promotes inter-molecular charge transport.

IHIC exhibits strong absorption in the NIR range of 600–900 nm with extinction coefficient of up to 6 ×105 m−1 cm−1and high electron mobility of up to 2.4 × 10-3 cm2 V−1 s−1.

When PTB7-Th was used as the low band-gap donor polymer with IHIC as the narrow-bandgap non-fullerene acceptor, excellent device performance was demonstrated with a high power conversion efficiency (PCE) of 9.77%. The active layer exhibits strong NIR absorption but weak visible absorption while giving the device a semi-transparent nature.

Device structure: ITO/ZnO/PTB7-Th: IHIC/MoO3/Au(1 nm)/Ag(15nm)[1]

Thickness (nm) VOC(V) JSC(mA cm-2) FF (%) PCE(%)
100 0.754 19.01 68.1 9.77

Chemical Structure

IHIC NFA acceptor
Chemical structure of IHIC

Literature and Reviews

  1. Fused Hexacyclic Non fullerene Acceptor with Strong Near Infrared Absorption for Semitransparent Organic Solar Cells with 9.77% Efficiency, W. Wang et al., Adv. Mater., 1701308 (2017); DOI: 10.1002/adma.201701308.
  2. Non fullerene Acceptors for Semitransparent Organic Solar Cells, S. Dai et al., Adv. Energy Mater., 1800002 (2018); DOI: 10.1002/aenm.201800002.
  3. Near-infrared organic photoelectric materials for light harvesting systems: Organic photovoltaics and organic photodiodes, B. Xie et al., InfoMat., 2, 57–91 (2020); DOI: 10.1002/inf2.12063.
  4. Trendsetters in High-Efficiency Organic Solar Cells: Toward 20% Power Conversion Efficiency, M. Upama et al., Sol. RRL, 1900342 (2019); DOI: 10.1002/solr.201900342.

General Information

CAS Number 2127354-15-6
Chemical Formula C90H80N4O2S4
Purity ≥99% (1HNMR)
Full Name 2,2'- [[4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydrothieno[3',2':4,5]cyclopenta[1,2-b]thieno[2'',3'':3',4']cyclopenta[1',2':4,5]thieno[2,3-d]thiophene-2,7-diyl]bis[methylidyne(3-oxo1H-indene-2,1(3H)-diylidene) ]]bis-propanedinitrile
Molecular Weight 1377.88 g/mol
Absorption λmax796 nm (Film)
HOMO / LUMO HOMO = -5.28 eV, LUMO = -3.87 eV [1]
Solubility Chloroform, chlorobezene
Form Dark blue powder/crystals
Synonyms 4TIC
Classification / Family NFAs, n-type non-fullerene electron acceptors,Organic semiconducting materials,Low band-gap small molecule, Small molecular acceptor, Organic photovoltaics, Polymer solar cells,NF-PSCs.

MSDS Documentation

BTP-4F MSDSIHIC MSDS Sheet

Pricing

Batch Quantity Price
M2239A1 100 mg £380
M2239A1 250 mg £760
M2239A1 500 mg £1250
M2239A1 1 g £2300

To the best of our knowledge the information provided here is accurate. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. Products may have minor cosmetic differences (e.g. to the branding) compared to the photos on our website. All products are for laboratory and research and development use only.

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