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Sigma-Aldrich

Bis(pentamethylcyclopentadienyl)cobalt(II)

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Synonym(s):
CoCp*2, Decamethylcobaltocene
Empirical Formula (Hill Notation):
C20H30Co
CAS Number:
74507-62-3
Molecular Weight:
329.39
MDL number:
MFCD02093610
UNSPSC Code:
12352300
PubChem Substance ID:
24864881
NACRES:
NA.23

form

solid

Quality Level

200

reaction suitability

core: cobalt

mp

>210 °C (lit.)

storage temp.

2-8°C

SMILES string

[Co].C[C]1[C](C)[C](C)[C](C)[C]1C.C[C]2[C](C)[C](C)[C](C)[C]2C

InChI

1S/2C10H15.Co/c2*1-6-7(2)9(4)10(5)8(6)3;/h2*1-5H3;

InChI key

XDHJNPINFJSJJB-UHFFFAOYSA-N

Related Categories

General description

Bis(pentamethylcyclopentadienyl)cobalt(II) is a powerful electron donor that is widely used as a dopant to prepare molecular semiconductors due to its low solid-state ionization energy (3.3 eV). The dopant improves charge injection and transport in electronic devices.

Application

Bis(pentamethylcyclopentadienyl)cobalt(II) can be used as:
  • An n-type dopant to fabricate organic electronic materials such as copper phthalocyanine thin films.
  • A reducing agent to synthesize high-quality reduced graphene oxide thin films at room temperature.
  • A metal organic precursor for plasma-enhanced atomic layer deposition of cobalt.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Decamethylcobaltocene as an efficient n-dopant in organic electronic materials and devices
Calvin K. Chan, et al.
Organic Electronics, 9, 575-581 (2008)
Plasma-enhanced atomic layer deposition of Co using Co(MeCp)2 precursor
Jusang Park, et al.
Journal of Energy Chemistry, 22, 403-407 (2013)
Reduction of Graphene Oxide Thin Films by Cobaltocene and Decamethylcobaltocene
Molly M. MacInnes, et al.
ACS Applied Materials & Interfaces, 10, 2004-2015 (2018)
Carolyn N Valdez et al.
Journal of the American Chemical Society, 140(28), 8924-8933 (2018-06-20)
The effects of a variety of monatomic cations (H+, Li+, Na+, K+, Mg2+, and Ca2+) and larger cations (decamethylcobaltocenium and tetrabutylammonium) on the reduction of colloidal ZnO nanocrystals (NCs) are described. Suspensions of "TOPO"-capped ZnO NCs in toluene/THF were treated

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