Analysis of rectifying behavior of novel ball-type binuclear phthalocyanine based devices

Ayşegül Yazici; Ceyda Özkan; M. Birkan Gezer; Ahmet Altindal; Bekir Salih; Özer Bekaroǧlu

doi:10.1016/j.ica.2013.04.011

Analysis of rectifying behavior of novel ball-type binuclear phthalocyanine based devices

Ayşegül Yazici, Ceyda Özkan, M. Birkan Gezer, Ahmet Altindal^*, Bekir Salih, Özer Bekaroǧlu

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

A new mono substituted derivatives 1 and 2 were prepared by a nucleophilic displacement reaction of 4-nitrophthalonitrile with pyridine-2, 6-dimethylol. Novel metallophthalocyanines 3-4 (M = Zn, Co respectively), and ball-type binuclear phthalocyanines 5-6 with four peripheral pyridine-2, 6-dimethyloxy groups were synthesized by cyclotetramerization of the phthalonitrile and characterized by elemental analyses, FT-IR, ¹H NMR, UV-Vis and MALDI-TOF MS spectral data. The effects of molecular structure on the charge transport properties of novel metallophthalocyanines 3-4 and ball-type binuclear phthalocyanines 5-6 with four peripheral pyridine-2, 6-dimethyloxy groups based devices are investigated using I-V measurements. From our study, we found that ball type films showed an enhanced mobility of nearly ten times that of typical mono Pcs. At low voltages (V < 1V) all the films showed an ohmic conduction, whereas at higher voltage (V > 1V) levels the conduction is dominated by space charged limited conduction (SCLC) with exponential distribution of trapping levels.

Original language	English
Pages (from-to)	40-48
Number of pages	9
Journal	Inorganica Chimica Acta
Volume	404
DOIs	https://doi.org/10.1016/j.ica.2013.04.011
Publication status	Published - 2013
Externally published	Yes

Funding

We would like to thank Scientific and Technological Research Council of Turkey (TÜBİTAK) (Project No-2209), Research Fund of Yıldız Technical University (2012-01-01KAP: 04) and the Turkish Academy of Sciences (TUBA). We also thank Prof. Dr. A. Şengül and Assoc. Prof. Dr. Z. Odabaş for their valuable contributions.

Funders	Funder number
TUBA
TÜBİTAK
Yıldız Technical University
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu
Türkiye Bilimler Akademisi

Keywords

Mobility
Phthalocyanine
Rectifying
Space charge limited conductivity

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10.1016/j.ica.2013.04.011

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title = "Analysis of rectifying behavior of novel ball-type binuclear phthalocyanine based devices",

abstract = "A new mono substituted derivatives 1 and 2 were prepared by a nucleophilic displacement reaction of 4-nitrophthalonitrile with pyridine-2, 6-dimethylol. Novel metallophthalocyanines 3-4 (M = Zn, Co respectively), and ball-type binuclear phthalocyanines 5-6 with four peripheral pyridine-2, 6-dimethyloxy groups were synthesized by cyclotetramerization of the phthalonitrile and characterized by elemental analyses, FT-IR, 1H NMR, UV-Vis and MALDI-TOF MS spectral data. The effects of molecular structure on the charge transport properties of novel metallophthalocyanines 3-4 and ball-type binuclear phthalocyanines 5-6 with four peripheral pyridine-2, 6-dimethyloxy groups based devices are investigated using I-V measurements. From our study, we found that ball type films showed an enhanced mobility of nearly ten times that of typical mono Pcs. At low voltages (V < 1V) all the films showed an ohmic conduction, whereas at higher voltage (V > 1V) levels the conduction is dominated by space charged limited conduction (SCLC) with exponential distribution of trapping levels.",

keywords = "Mobility, Phthalocyanine, Rectifying, Space charge limited conductivity",

author = "Ay{\c s}eg{\"u}l Yazici and Ceyda {\"O}zkan and Gezer, {M. Birkan} and Ahmet Altindal and Bekir Salih and {\"O}zer Bekaroǧlu",

year = "2013",

doi = "10.1016/j.ica.2013.04.011",

language = "English",

volume = "404",

pages = "40--48",

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T1 - Analysis of rectifying behavior of novel ball-type binuclear phthalocyanine based devices

AU - Yazici, Ayşegül

AU - Özkan, Ceyda

AU - Gezer, M. Birkan

AU - Altindal, Ahmet

AU - Salih, Bekir

AU - Bekaroǧlu, Özer

PY - 2013

Y1 - 2013

N2 - A new mono substituted derivatives 1 and 2 were prepared by a nucleophilic displacement reaction of 4-nitrophthalonitrile with pyridine-2, 6-dimethylol. Novel metallophthalocyanines 3-4 (M = Zn, Co respectively), and ball-type binuclear phthalocyanines 5-6 with four peripheral pyridine-2, 6-dimethyloxy groups were synthesized by cyclotetramerization of the phthalonitrile and characterized by elemental analyses, FT-IR, 1H NMR, UV-Vis and MALDI-TOF MS spectral data. The effects of molecular structure on the charge transport properties of novel metallophthalocyanines 3-4 and ball-type binuclear phthalocyanines 5-6 with four peripheral pyridine-2, 6-dimethyloxy groups based devices are investigated using I-V measurements. From our study, we found that ball type films showed an enhanced mobility of nearly ten times that of typical mono Pcs. At low voltages (V < 1V) all the films showed an ohmic conduction, whereas at higher voltage (V > 1V) levels the conduction is dominated by space charged limited conduction (SCLC) with exponential distribution of trapping levels.

AB - A new mono substituted derivatives 1 and 2 were prepared by a nucleophilic displacement reaction of 4-nitrophthalonitrile with pyridine-2, 6-dimethylol. Novel metallophthalocyanines 3-4 (M = Zn, Co respectively), and ball-type binuclear phthalocyanines 5-6 with four peripheral pyridine-2, 6-dimethyloxy groups were synthesized by cyclotetramerization of the phthalonitrile and characterized by elemental analyses, FT-IR, 1H NMR, UV-Vis and MALDI-TOF MS spectral data. The effects of molecular structure on the charge transport properties of novel metallophthalocyanines 3-4 and ball-type binuclear phthalocyanines 5-6 with four peripheral pyridine-2, 6-dimethyloxy groups based devices are investigated using I-V measurements. From our study, we found that ball type films showed an enhanced mobility of nearly ten times that of typical mono Pcs. At low voltages (V < 1V) all the films showed an ohmic conduction, whereas at higher voltage (V > 1V) levels the conduction is dominated by space charged limited conduction (SCLC) with exponential distribution of trapping levels.

KW - Mobility

KW - Phthalocyanine

KW - Rectifying

KW - Space charge limited conductivity

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DO - 10.1016/j.ica.2013.04.011

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JO - Inorganica Chimica Acta

JF - Inorganica Chimica Acta

ER -

Analysis of rectifying behavior of novel ball-type binuclear phthalocyanine based devices

Abstract

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Keywords

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