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  • 684465 - [6,6]-Phenyl C71 butyric acid methyl ester, mixture of isomers

684465 Sigma-Aldrich

[6,6]-Phenyl C71 butyric acid methyl ester, mixture of isomers


Synonym: 3′H-Cyclopropa[8,25] [5,6]fullerene-C70-D5h(6)-3′butanoic acid, 3′Phenyl-3′H-cyclopropa[8,25] [5,6]fullerene-C70-D5h(6)-3′butanoic acid, methyl ester, [70]PCBM

  • CAS Number 609771-63-3

  • Empirical Formula (Hill Notation) C82H14O2

  • Molecular Weight 1030.99



Related Categories 3D Printing Materials for Research and Development, Carbon Nanomaterials, Fullerene Acceptor Materials, Fullerenes, Materials Science,
assay   99%
solubility   chlorobenzene: soluble
  organic solvents: soluble
  toluene: soluble
Orbital energy   HOMO 6 eV 
  LUMO 3.9 eV 
semiconductor properties   N-type (mobility=0.1 cm2/V·s)



Soluble n-channel organic semiconductor. Used in organic OFETs and solar cells.


100, 500 mg in glass insert

Safety & Documentation

Safety Information

Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 
Protocols & Articles


3D Printing of Carbon Fiber-Reinforced Composites

3D printing is a type of additive manufacturing that can be used to rapidly fabricate components with highly customizable geometries, most typically using a layer-by-layer fabrication process. 3D pri...
Zhenyu Bo* (Ph.D Candidate at Northwestern University) and Jia Choi*, PhD, Product Manager

*Materials Science Product Management Team, MilliporeSigma, Milwaukee, WI.
Keywords: Deposition, Nanomaterials, Nanotubes

Development of Small Molecule Donors for Solution-Processed Organic Solar Cells

Abby-Jo Payne and Gregory C. Welch Dalhousie University, Department of Chemistry 6274 Coburg Road, Halifax, Nova Scotia, Canada B3H 4R2 Email: gregory.welch@dal.ca
Keywords: Absorption, Bacterial conjugations, Building blocks, Deposition, Infrared spectroscopy, Nucleic acid annealing, Phase transitions, Separation, Solar cells, Solvents, Substitutions

Fullerene-Based n-Type Semiconductors in Organic Electronics

Since the first publication in 1995 describing a bulk heterojunction photodiode incorporating a methanofullerene,1 significant progress has been made in improving device performance and the scope of ...
Dr. David Kronholm†, Prof. Dr. Jan C. Hummelen†,‡
Material Matters 2007, 2.3, 16.
Keywords: Absorption, Crystallization, Electronics, Elemental analysis, Evaporation, Filtration, Infrared spectroscopy, Magnetic resonance spectroscopy, Mass spectrometry, Nanotechnology, Nucleic acid annealing, Organic electronics, Photovoltaics, Precipitation, Recombination, Semiconductor, Separation, Solvents, Sonication, Spectroscopy

Fullerenes for Bioscience & Photovoltaic Applications

Twenty-five years ago, it was discovered that carbon vapor preferentially condenses into an exceedingly stable cluster with 60 carbon atoms (C60), and it was hypothesized that the 60 atoms were arran...
Michael D. Diener

TDA Research
12345 W52nd Ave, Wheat Ridge, CO 80033
Keywords: AGE, Analytical Chemistry, Antivirals, Combustion, Cosmetics, Electronics, Magnetic resonance imaging, Mass spectrometry, Nanomaterials, Organic electronics, Photovoltaics, Polymerization reactions, Reductions, Semiconductor, Solar cells, Solvents, Transfection, Vitamins

Inverted Organic Photovoltaic Devices Using Zinc Oxide Nanocomposites as Electron Transporting Layer Materials

Bryce P. Nelson,1* Pengjie Shi,1 Wei Wei,1 Sai-Wing Tsang2 and Franky So3 1MilliporeSigma, 6000 N. Teutonia Ave., Milwaukee, WI, USA 53209 2Sai-Wing Tsang, Department of Physics and Materials Science...
Keywords: Adsorption, Crystallization, Diffusion, Materials Science, Nucleic acid annealing, Photovoltaics, Reductions, Sol-gel, Solar cells, Spectroscopy

NTz Building Blocks for Organic Semiconductors

The field of organic electronics has emerged as the next-generation technology potentially enabling ultra-thin, large-area, and/or flexible devices, consisting of organic field-effect transistors (OF...
Kazuo Takimiya, Itaru Osaka, Kazuaki Kawashima
Emergent Molecular Function Research Group, RIKEN Center for Emergent Matter Science, Wako, Saitama 351-0198, Japan.
Keywords: Absorption, Bacterial conjugations, Building blocks, Catalysis, Coupling reactions, Cross couplings, Electronics, Organic electronics, Oxidations, Photovoltaics, Reductions, Semiconductor, Solar cells, Spectroscopy

Nanoparticle-based Zinc Oxide Electron Transport Layers for Printed Organic Photodetectors

Gerardo Hernandez-Sosa,1,2* Ralph Eckstein,1,2 Tobias Rödlmeier,1,2 Uli Lemmer1,2,3 1Lichttechnisches Institut, Karlsruher Institut für Technologie, Engesserstrasse 13, 76131 Karlsruhe, Germany 2Inno...
Gerardo Hernandez-Sosa*, Ralph Eckstein, Tobias Rödlmeier, Uli Lemmer
Material Matters, 2016, 11.2
Keywords: Deposition, Electronics, Positron Emission Tomography, Recombination, Reductions, Solar cells, Thin film deposition

Organic Photovoltaic Applications for IoT, Architecture, and Wearables

1Merck Chemicals Ltd, Chilworth Technical Centre, University Parkway, Southampton. SO16 7QD, U.K. 2Merck KGaA, Frankfurter Str. 250, 64293 Darmstadt I Germany 3Merck Selbstmedikation GmbH, Frankfurte...
Graham Morse,1 Richard Harding,1 Nicolas Blouin,2 Hannah Buerckstrummer2
Not pictured: Agnieszka Pron,1 Stephan Wieder,2 David Mueller,2 and Stephane Berny3
Material Matters, 2017, 12.3
Keywords: Absorption, Alternative energy, Catalysis, Coupling reactions, Cross couplings, Deposition, Environmental, Indicators, Industries, PAGE, Photovoltaics, Polymerization reactions, Positron Emission Tomography, Purification, Safety industry, Semiconductor, Separation, Solar cells, Solvents

PCBM-Based n-Type Semiconductors

Unique chemistry and physics of fullerene (C60) materials continue to stimulate advances in applied and fundamental science. Fullerenes are known as excellent electron acceptors and can be chemically...
Keywords: Absorption, Diffusion, Electronics, Organic electronics, Photosynthesis, Reductions, Semiconductor, Solar cells, Solvents

Polymer-Sorted Semiconducting Carbon Nanotubes for Transistors and Solar Cells

Matthew J. Shea,1 Gerald J. Brady,1 Juan Zhao,1,2 Meng-Yin Wu,3 Harold T. Evensen,3 Michael S. Arnold1* 1Department of Materials Science and Engineering, University of Wisconsin-Madison, USA 2School ...
Keywords: Absorption, Chemical vapor deposition, Chromatography, Column chromatography, Deposition, Diffusion, Materials Science, Microscopy, Nanotubes, Renewable energy, Scanning electron microscopy, Semiconductor, Separation, Solar cells

Soluble Pentacene Precursors

In order to introduce un-functionalized pentacene within a device such as an organic field effect transistor (OFET), soluble pentacene precursors, which readily transform into pentacene upon heating ...
Prof. Cherie R. Kagan

Associate Professor, Department of Materials Science and Engineering,
University of Pennsylvania, Philadelphia, PA 19104
Keywords: Deposition, Evaporation, Semiconductor, Size-exclusion chromatography

Peer-Reviewed Papers


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