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765023

Sigma-Aldrich

2,6-Bis(trimethyltin)-4,8-bis(2-ethylhexyloxy)benzo[1,2-b:4,5-b′]dithiophene

99% (HPLC)

Synonym(s):

BDT-ditin

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About This Item

Empirical Formula (Hill Notation):
C32H54O2S2Sn2
CAS Number:
1160823-78-8
Molecular Weight:
772.32
MDL number:
MFCD20275089
UNSPSC Code:
12352103
PubChem Substance ID:
329767147
NACRES:
NA.23

assay

99% (HPLC)

form

powder

mp

70-75 °C

storage temp.

2-8°C

SMILES string

CCCCC(CC)COc1c2cc(sc2c(OCC(CC)CCCC)c3cc(sc13)[Sn](C)(C)C)[Sn](C)(C)C

InChI

1S/C26H36O2S2.6CH3.2Sn/c1-5-9-11-19(7-3)17-27-23-21-13-15-30-26(21)24(22-14-16-29-25(22)23)28-18-20(8-4)12-10-6-2;;;;;;;;/h13-14,19-20H,5-12,17-18H2,1-4H3;6*1H3;;

InChI key

XXMOZDBOAIICDA-UHFFFAOYSA-N

Application

Used as an electron donor in Polymer Solar Cells (PSC). [1][2]

Features and Benefits

Using BDT-based polymer leads to high power conversion efficiency (PCE) of around 7%-8% in polymer solar cells. [3]

pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

signalword

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCH9835
MKCH5433
MKBL5286

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Yongye Liang et al.
Journal of the American Chemical Society, 131(1), 56-57 (2008-12-20)
A new low band gap semiconducting polymer, PTB1, was synthesized and found promising for solar energy harvesting. Simple polymer solar cells based on PTB1 and methanofullerene [6,6]-phenyl-C(71)-butyric acid methyl esters (PC(71)BM) exhibit a solar conversion efficiency of 5.6%. An external
Conjugated polymers based on benzodithiophene and arylene imides: Extended absorptions and tunable electrochemical properties.
Chen, J., Shi, M. M., Hu, X. L., Wang, M., & Chen, H. Z.
Polymer, 51(13), 2897-2902 (2010)
Synthesis of conjugated polymers for organic solar cell applications.
Yen-Ju Cheng et al.
Chemical reviews, 109(11), 5868-5923 (2009-09-30)
Synthesis and photovoltaic properties of D-A copolymers based on dithienosilole and benzotriazole.
Min, J., Zhang, Z. G., Zhang, S., Zhang, M., Zhang, J., & Li, Y.
Macromolecules, 44(19), 7632-7638 (2011)
Benzo [1, 2-b: 4, 5-b'] dithiophene-based conjugated polymers: band gap and energy level control and their application in polymer solar cells
Huo, L., & Hou, J.
Polym. Chem., 2(11), 2453-2461 (2011)

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