The phthalocyanine blue-green pigments devices intended for optical filters

被引：13

作者：

Benhaliliba, M. ^{[1
,2
]}

Ben Ahmed, A. ^{[3
]}

机构：

[1] Film Device Fabricat Characterizat & Applicat FDF, Oran 31130, Algeria

[2] USTOMB Univ, Phys Fac, POB 1505, Oran 31130, Algeria

[3] Univ Sfax, Fac Sci Sfax, Dept Phys, Lab Appl Phys, BP 802, Sfax 3018, Tunisia

来源：

OPTIK | 2022年 / 258卷

关键词：

The phthalocyanine blue-green pigments; Organic diode; Spin-coating; Negative capacitance; Optical filter; Current-voltage measurement; Nonlinear optical NLO; SCHOTTKY-BARRIER DIODES; C-V CHARACTERISTICS; SERIES RESISTANCE; NEGATIVE CAPACITANCE; INTERFACE STATES; ELECTRICAL CHARACTERISTICS; I-V; TEMPERATURE; PARAMETERS; CONTACTS;

D O I：

10.1016/j.ijleo.2022.168808

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The crystalline structure, optical, morphological and optical filter properties of magnesium phthalocyanine (MPc) blue-green pigments layers, grown onto glass substrate by the spin coating route, are studied. Besides the capacitance voltage (C-V) characteristics and resistance versus voltage of MPc organic heterojunctions are investigated showing a negative capacitance (NC) within forward bias voltage at higher frequency. Optical analysis demonstrates a top and valley in transmittance profile within visible range which leads to the occurrence of optical filter properties in organic devices. The (123)-oriented monoclinic lattice is revealed by X-ray patterns, optical transmission attains 67% inside Vis range, and the band gap is found to be of 2.9 eV. Nonlinear optical properties of Mg-Phthalocyanine are studied. Nanotips are revealed by atomic force microscope and a size around of 22.76 nm, and the RMS is of 10.5 nm are evaluated. Obtained parameters from C-V characteristics of MgPc/GaAs heterojunction are described and recorded as a result of applied frequency. Such extracted parameters are Nd ranging in 5.1-31.2x10(19) cm(-3) and V-bi of 0.18-0.39 V and Phi(B) of 0.36 -0.41 eV.

引用

页数：11

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