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Browsing Makale Koleksiyonu by Author "Ahmet Gul"

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Electrochemical and photovoltaic properties of highly efficient solar cells with cobalt/zinc phthalocyanine sensitizers

Altug Mert Sevim; Soner Cakar; Özacar, Mahmut; Ahmet Gul (PERGAMON-ELSEVIER SCIENCE LTD, 2018)

The cyclic voltammetry studies indicated that the HOMO and LUMO energy levels of three sensitized metallophthalocyanines could ensure efficient electron injection and thermodynamically favorable dye regeneration. The ...
Microwave-assisted synthesis, electrochemistry and spectroelectrochemistry of amphiphilic phthalocyanines

Güzel, Emre; Atif Koca; Ahmet Gul; Makbule Burkut Kocak (ELSEVIER SCIENCE SA, 2015)

Novel hexadeca-substituted metallophthalocyanines (M = Cu, Ni, In) carrying eight hexyloxy groups on non-peripheral positions together with four chloro and four p-sulphonylphenoxy groups on peripheral positions have been ...
Role of hexyloxy groups in zinc phthalocyanines bearing sulfonic acid anchoring groups for dye-sensitized solar cells

Güzel, Emre; Şişman, İlkay; Ahmet Gul; Makbule B. Kocak (WORLD SCI PUBL CO INC, 2019)

Zinc phthalocyanine dyes bearing four sulfonic acid anchoring groups with (A-ZnPc) and without (H-ZnPc) four chloro and eight hexyloxy groups were used as sensitizers for dye-sensitized solar cells (DSSCs). The dyes were ...
Synthesis, characterization and photodynamic activity of a new amphiphilic zinc phthalocyanine

Armagan Atsay; Sevgi Nalbantoglu; Neslihan Saki; A. Lale Dogan; Ahmet Gul; Makbule Burkut Kocak (ELSEVIER SCI LTD, 2013)

A new phthalonitrile derivative bearing hexyloxy groups in the 3,6- positions and p-sulfonylphenoxy-and chloro groups in the 4 and 5- positions was synthesized. The new hexadeca-substituted zinc phthalocyanine was obtained ...