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Journals / International Journal of Innovative Engineering Applications / 2022 / Cilt: 6 - Sayı: 1

Light-Emitting Properties of Pyrimidine-5-Carbonitrile Derivatives: a Theoretical Calculation

Pirimidin-5-Karbonitril Türevlerinin ve Farklı Şekilde İkame Edilmiş Karbazollerin Işık Yayan Özellikleri: Teorik Bir Hesaplama

Sultan ERKAN
Necdet KARAKOYUN
Pages
55–58
Publication Date
2022-10-19
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The C2 compound is suitable for both ETL and HTL materials.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, 4,6-Di (9H-carbazol-9-yl) pyrimidine-5-carbonitrile (C1), 4,6-bis (3,6-di-tert-butyl-9H-carbazol-9-yl) pyrimidine-5-carbonitrile (C2), 4,6-bis (3,6-dimethoxy-9H-carbazol-9-yl) pyrimidine-5-carbonitrile (C3) compounds were optimized at the B3LYP/6-31G(d) level.
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Key Findings & Data:Vertical ionization potentials (IPv), adiabatic ionization potential (IPa) (in eV), vertical electron affinity (EAv), adiabatic electron affinity (EAa), the hole reorganization energy (h )and electron reorganization energy (e ) were calculated (in eV) for C1, C2 and C3 compounds. e values of the C1 and C3 compounds are 0.29 and 0.30 eV and the h value is 0.18 and 0.20 eV, respectively.
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Conclusion & Impact:The C2 compound is suitable for both ETL and HTL materials.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Elektron enjeksiyon tabakası · Elektron taşıyan tabakalar · delikli tabakalar

Abstract

In this study, 4,6-Di (9H-carbazol-9-yl) pyrimidine-5-carbonitrile (C1), 4,6-bis (3,6-di-tert-butyl-9H-carbazol-9-yl) pyrimidine-5-carbonitrile (C2), 4,6-bis (3,6-dimethoxy-9H-carbazol-9-yl) pyrimidine-5-carbonitrile (C3) compounds were optimized at the B3LYP/6-31G(d) level. Energy densities of frontier molecular orbitals were investigated with molecular properties. Vertical ionization potentials (IPv), adiabatic ionization potential (IPa) (in eV), vertical electron affinity (EAv), adiabatic electron affinity (EAa), the hole reorganization energy (h )and electron reorganization energy (e ) were calculated (in eV) for C1, C2 and C3 compounds. e values of the C1 and C3 compounds are 0.29 and 0.30 eV and the h value is 0.18 and 0.20 eV, respectively. It can be said that the C1 and C3 compounds are not suitable as an electron bearing layers (ETL) material since its e values are greater than 0.276 eV and that its h value is less than 0.290 eV, so they are a suitable material for the hole bearing layers (HTL). The C2 compound is suitable for both ETL and HTL materials.

Özet

Bu çalışmada 4,6-Di (9H-karbazol-9-il) pirimidin-5-karbonitril (C1), 4,6-bis (3,6-di-tert-butil-9H-karbazol-9-il ) pirimidin-5-karbonitril (C2), 4,6-bis (3,6-dimetoksi-9H-karbazol-9-il) pirimidin-5-karbonitril (C3) bileşikleri B3LYP / 6-31G (d ) seviyesi. Sınır moleküler orbitallerin enerji yoğunlukları moleküler özellikleri incelenmiştir. Dikey iyonlaşma potansiyelleri (IPv), adyabatik iyonizasyon potansiyeli (IPa) (eV cinsinden), dikey elektron afinitesi (EAv), adyabatik elektron afinitesi (EAa), delik yeniden organizasyon enerjisi (h) ve elektron yeniden organizasyon enerjisi (e) hesaplandı (eV cinsinden) C1, C2 ve C3 bileşikleri için. C1 ve C3 bileşiklerinin e değerleri 0.29 ve 0.30 eV ve h değeri sırasıyla 0.18 ve 0.20 eV'dir. C1 ve C3 bileşiklerinin e değerleri 0,276 eV'den büyük ve h değeri 0,290 eV'den küçük olduğu için elektron taşıyan tabakalar (ETL) malzemesi olarak uygun olmadığı söylenebilir, bu nedenle delik yatak katmanları (HTL) için uygun bir malzemedir. C2 bileşiği hem ETL hem de HTL malzemeleri için uygundur.

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Cite This Article

ERKAN, S., KARAKOYUN, N. (2022). Light-Emitting Properties of Pyrimidine-5-Carbonitrile Derivatives: a Theoretical Calculation. International Journal of Innovative Engineering Applications, Cilt: 6 - Sayı: 1, 55–58. https://ajindex.com/articles/541185

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