guanidine HydroIodide
Catalog Number
ACM19227704-1
CAS
19227-70-4
IUPAC Name
guanidine;hydroiodide
Synonyms
gAI; guanidinium Iodide
Application
Guanidine HydroIodide serves a crucial role in the development of high-efficiency perovskite solar cells. As an additive, it significantly enhances carrier lifetimes and open-circuit voltages in hybrid organic-inorganic perovskite solar cells. This improvement is attributed to the hydrogen bonding capability of the guanidine molecule, which effectively passivates under-coordinated iodine species at grain boundaries, both on the surface and within the bulk of the material. This passivation leads to superior device performance, with power conversion efficiencies exceeding 17% and an open-circuit voltage of 1.1 V, as demonstrated in solar cells with a device structure of ITO/TiO2/perovskite/spiro-OMeTAD/Au.
Molecular Weight
186.98 g/mol
Molecular Formula
CH5N3•HI
Product Information
Description
Extremely hygroscopic. Handle in glove box. Handle and store under nitrogen atmosphere Guanidinium iodide (GI), a guanidinium compound, exhibits good piezoelectric and pyroelectric properties. It can be used in the fabrication of dye-sensitized solar cells (DSSCs).
Canonical SMILES
C(=N)(N)N.I
InChI
1S/CH5N3.BrH/c2-1(3)4;/h(H5,2,3,4);1H
InChI Key
VQNVZLDDLJBKNS-UHFFFAOYSA-N
Boiling Point
954 °C (lit.)
Melting Point
196 °C
Purity
>97.0%(T)
Appearance
White to Almost white powder to crystal
Storage
Store under inert gas
Complexity
26.3
Condition to avoid
Hygroscopic
Exact Mass
186.96064g/mol
Hazard Statements
H315 : Causes skin irritation.H319 : Causes serious eye irritation.
Heavy Atom Count
5
MDL Number
MFCD00035535
Monoisotopic Mass
186.96064g/mol
Precautionary Statements
P264 : Wash skin thoroughly after handling.P280 : Wear protective gloves/ eye protection/ face protection.P337 + P313 : If eye irritation persists: Get medical advice/ attention.P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.P302 + P352 : IF ON SKIN: Wash with plenty of soap and water.P332 + P313 : If skin irritation occurs: Get medical advice/ attention.P362 : Take off contaminated clothing and wash before reuse.
Reaxys Registry Number
3907509
Rotatable Bond Count
0
Signal Word
Warning
Solubility In Water
soluble (Soluble in polar and weakly polar solvents such as isopropanol, toluene and xylenes)
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