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794333

Sigma-Aldrich

PTB7-Th

Sinónimos:

PCE-10, Poly([2,6′-4,8-di(5-ethylhexylthienyl)benzo[1,2-b;3,3-b]dithiophene]{3-fluoro-2[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl})

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About This Item

Fórmula lineal:
(C49H57FO2S6)n
Número de CAS:
1469791-66-9
UNSPSC Code:
12352103
NACRES:
NA.23

description

Band gap: 1.57 eV
Shiny, purple, fiber-like solid

form

solid

mol wt

>145,000

solubility

chlorobenzene: soluble
dichlorobenzene: soluble

orbital energy

HOMO -5.38 eV 
LUMO -3.81 eV 

PDI

2.2

General description

Poly([2,6′-4,8-di(5-ethylhexylthienyl)benzo[1,2-b;3,3-b]dithiophene]{3-fluoro-2[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl}) (PTB7-Th) is a semiconducting polymer with a narrow band gap of 1.59 eV and an absorption peak at 780 nm. The devices fabricated from PTB7-Th have been shown to have higher output voltage and short circuit current density than PTB7.

Application

High-Efficiency Organic Solar Cells (OPVs)

OPV Device Structure: ITO/PEDOT:PSS/Polymer:PC71BM/ Al

  • JSC = 19.8 mA/cm2 \
  • VOC = 0.79 V
  • FF = 0.65
  • PCE = 10.12%
PTB7-Th is mainly used as an active layer in organic solar cells (OSCs). It forms a blend with different acceptor materials which include PC71BM, ICBA, and PCBM to potentially improve the power conversion efficiency (PCE) of the OSCs.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Interface design for high-efficiency non-fullerene polymer solar cells.
Sun C, et al.
Energy & Environmental Science, 10(8), 1784-1791 (2017)
Single-junction polymer solar cells with high efficiency and photovoltage.
He Z, et al.
Nature Photonics, 9(3), 174-174 (2015)
10.8% efficiency polymer solar cells based on PTB7-Th and PC71BM via binary solvent additives treatment.
Wan Q, et al.
Advances in Functional Materials, 26(36), 6635-6640 (2016)
Single-junction polymer solar cells with over 10% efficiency by a novel two-dimensional donor-acceptor conjugated copolymer.
Liu C, et al.
ACS Applied Materials & Interfaces, 7(8), 4928-4935 (2015)
High-performance ternary organic solar cells with thick active layer exceeding 11% efficiency.
Gasparini N, et al.
Energy & Environmental Science, 10(4), 885-892 (2017)
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