science-softCon uv/vis+ spectra data base;	www.uv-spectra.de; (C) science-softCon 2016

Substance: protoporphyrin 			Other Names: protoporphyrin IX

Formula: C34H34N4O4				CAS-No.: 553-12-8	PubChem: CID 

Study: uv absorption spectrum

                
Authors: B.H. Schechtman, W.E. Spicer

Title: Near infrared to vacuum ultraviolet absorption spectra and the optical constants of phthalocyanine and porphyrin films

Journal/Source: J. Mol. Spectr., 33 (1), 28-48, (1970); http://dx.doi.org/10.1016/0022-2852(70)90050-0


Data: diagram, table

Energy/Wavelength range: 0.5 - 11.8 eV (~ 105 - 2480 nm)

Resolution: 

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration: 

Phase: thin film

pH:


Comments: Measurements are reported for photon energies between 0.5 and 11.8 eV of the absorption coefficient of thin films of free base, 
copper, and zinc phthalocyanines, chlorinated copper phthalocyanine, and free base protoporphyrin.

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