Optical properties of some synthesized azo thin films

Correlation between ionic radii of metal azodye complexes and electrical conductivity

“…It was found that the values of the energy band gap, E g for derivatives were in the range 1.77 _ 2.29 eV depending on the nature of the substituent [6]. They also reported that, the tendesity of E g to increase according to the sequence p-(NO 2 < Cl > H < CH 3 < OCH 3 ) as expected from Hammett's substituent coefficients (ζ R ).…”

“…The 1 H NMR spectrum of the ligand was recorded in DMSO-d 6 The geometry of the metal complexes has been deduced from electronic spectra of six coordinate M(II) complexes and the magnetic moment data of all metal complexes at room temperature.…”

Investigation of the spectral, optical and surface morphology properties of theN,N′-Dipentyl-3,4,9,10-perylenedicarboximide small molecule for optoelectronic applications

“…[84] The Soret or B, variable-N, and C-band exist in the ultraviolet region of spectra, while the visible Q-band exists in the visible region of spectra. [86] This behavior can be attributed to the orbital molecular transition from bonding to antibonding molecular orbital. [86] In other words, the absorption maximum values of the Soret or B, variable-N, and C-band are higher than that of the visible Q-band.…”

“…[86] This behavior can be attributed to the orbital molecular transition from bonding to antibonding molecular orbital. [86] In other words, the absorption maximum values of the Soret or B, variable-N, and C-band are higher than that of the visible Q-band. The highest photon energy band of the solution of the PTCDI-C5 molecule can be attributed to the pure electronic band designated by 0-0, followed by the 1-0 and 2-0 vibronic transitions.…”

Synthesis, structural and optical properties of novel 3-(3,5-dimethyl-1H-pyrazol-1-yl)-1-(diphenylphosphino)-2-((diphenylphosphino)methyl)-3-methylbutanone-1,2-diphenylethane-1,2-diamine tungsten dicarbonyl (PyrPMB-W) nanostructure thin film

“…The electrical and optical properties of organic thin films as well as their structure relationship would be very important tool in determination the area of application. Several parameters are controlling the optical properties of organic layers [8,9]. The film thickness can be considered as a key factor for designing advanced devices.…”