Investigation and comparison of various properties of diodes made using PTCDA and its synthesized ligand and brominated derivative

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: B Pub Date : 2025-03-10 DOI:10.1016/j.mseb.2025.118147

İlhan Uzun , İkram Orak , Ömer Sevgili , Mehmet Karakaplan

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引用次数: 0

Abstract

First, the ligand (PTC) and brominated derivative (Br₂PTCDA) of perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA), whose structures were confirmed by FTIR and ¹H NMR spectra, were synthesized. Then, three new diodes were made using PTCDA, PTC, and Br₂PTCDA as interface layers. The current–voltage (I–V) graphs of the diodes were determined for both dark environment and environments exposed to different illumination intensities (DIIs). The ideality factor (n) and rectification ratio (RR) values of Al/PTCDA/p-Si, Al/PTC/p-Si, and Al/Br₂PTCDA/p-Si diodes for dark environment were determined as 2.243 and 365.51, 2.333 and 152.55, and 2.941 and 20.5, respectively. The n and RR values show that the Al/PTCDA/p-Si diode is both more ideal and more efficient than the other two diodes. The n values obtained for environments under DIIs (30, 40, 60, 80, and 100 mW cm⁻²) also showed that the Al/PTCDA/p-Si diode is more ideal than the other diodes, provided that the illumination intensity is the same.

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来源期刊

Materials Science and Engineering: B 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.