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709085

Sigma-Aldrich

C60 Pyrrolidine tris-acid

97%

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About This Item

Empirical Formula (Hill Notation):
C66O6NH7
Molecular Weight:
909.76
UNSPSC Code:
12352103
NACRES:
NA.23

Assay

97%

form

powder

mp

>300 °C

solubility

water, pH >9: soluble

General description

C60 Pyrrolidine tris-acid (CPTA) is a fullerene derivative that has carboxyl functionalized carbon buckyballs. It is majorly used in electrochemical devices as an electron transporting layer (ETL) due to its high energy level and electron mobility. It can be used as an alternative to conventional metal oxide based charge carrying films, through the esterification of a carboxylic acid with hydroxyl groups. Its solubility in water and other polar solvents makes it useful in solution processed devices.
This is a high value compound - minimal loss. It is water soluble fullerene, hence suitable for biological applications. Water-soluble fullerene adduct. Mono-adduct solubility at pH ~13 is about 0.5 mg/ml, giving stable solutions with aggregates in the 20 - 200 nm range. At pH 7.4, solubility is about 0.002 - 0.005 mg/ml.

Application

C60 Pyrrolidine tris-acid may be used as a cathode buffer layer in solar cells. It may be used as a wetting layer in an organic photovoltaics.
CPTA can be used as a cathodic buffer that forms a conductive layer between the active layer and the electrode layer for the fabrication of polymeric solar cells and perovskite based solar cells.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

709085-100MG:
709085-VAR:
709085-BULK:

Certificates of Analysis (COA)

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Hghly efficient inverted polymer solar cells using fullerene derivative modified TiO 2 nanorods as the buffer layer
Sun C, et al.
Royal Society of Chemistry Advances, 4(37), 19529-19532 (2014)
Electron-Transport-Layer-Assisted Crystallization of Perovskite Films for High-Efficiency Planar Heterojunction Solar Cells
Wang Y, et al.
Advances in Functional Materials, 28(9), 1706317-1706317 (2018)
Okuda
Fullerene Science and Technology, 8, 89-94 null
High performance polymer solar cells with a polar fullerene derivative as the cathode buffer layer.
Li X, et al.
Journal of Material Chemistry A, 1(40), 12413-12416 (2013)
Annealing temperature-dependent electronic properties in hydrothermal TiO 2 nanorod arrays
Zhong P, et al.
Journal of Solid State Electrochemistry, 22(2), 567-580 (2018)
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