Browsing by Author "Koyuncu, Sermet"
Now showing items 1-14 of 14
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Direct Photopatterning of BODIPY-Based Small Molecules via Thiol-ene Click Chemistry
Özdemir, Mücahit; Altınışık, Sinem; Ömeroğlu, İpek; Köksoy, Baybars; Durmuş, Mahmut; Yalçın, Bahattin; Koyuncu, Sermet (John Wiley and Sons Inc, 2023)We demonstrate a BODIPY-based small molecule photopatterned surface by thiol-ene click chemistry at room temperature utilizing only 366 nm UV light. The resulting cross-linked polymer exhibits porous surfaces according to ... -
Electron-Donating and Electron-Withdrawing Subunit Effects on Coumarin-BODIPY Dyads: Optical and Electrochemical Properties and Molecular Interactions
Köksoy, Baybars; Özdemir, Mucahit; Altınışık, Sinem; Zorlu, Yunus; Yalcın, Bahattin; Durmuş, Mahmut; Koyuncu, Sermet (John Wiley and Sons Inc, 2023)In this study, a series of coumarin-BODIPY molecules were synthesized using a Sonogashira cross-linking reaction. The effects of electron withdrawing and electron donating moieties on electrochemical and optical properties ... -
Fluorene-based donor-acceptor-type multifunctional polymer with bicarbazole pendant moiety for optoelectronic applications
Pıravadılı, Selin; Doyranlı, Ceylan; Altınışık, Sinem; Bilgili, Hakan; Canımkurbey, Betül; Koyuncu, Sermet (John Wiley and Sons Inc, 2021)Since limited examples are in the literature in which both organic light-emitting diodes (OLEDs) and electrochromic (EC) applications were performed using the same conjugated polymer, we presented comprehensive EC and ... -
Grafting of perylene and naphthalene fluorophores onto chitosan for improved thermal, optical and electrical properties
Temurlu, Selin; Abureesh, Mosab A. A.; Abourajab, Arwa; Karşılı, Pelin; Dinleyici, Meltem; Altınışık, Sinem; Koyuncu, Sermet (Polymer Society of Korea, 2024)The grafting of N-(4-hydroxyphenyl)-3,4,9,10-perylenetetracarboxylic-3,4-anhydride-9,10-imide (4) and N-(4-hydroxyphenyl)-1,4,5,8-naphthalenetetracarboxylic-1,8-anhydride-4,5-imide (8) onto low-molecular-weight chitosan ... -
Highly conjugated isoindigo and quinoxaline dyes as sunlight photosensitizers for onium salt-photoinitiated cationic polymerization of epoxy resins
Ercan, Bahar T.; Gültekin, Şirin S.; Yeşil, Tamer; Dinçalp, Haluk; Koyuncu, Sermet; Yağcı, Yusuf; Zafer, Ceylan (John Wiley and Sons Ltd, 2022)In this study, photoinitiated cationic polymerization of epoxy resins by photoinduced electron transfer reactions using four new chromophoric dyes, namely (3E)-1,1′-bis(2-ethylhexyl)-6,6′-dipyren-1-yl-3,3′-biindole-2,2′( ... -
Hollow microspherical carbazole-based conjugated polymers by photoinduced step-growth polymerization
Çeliker, Tuğba; Suerkan, Ali; Altınışık, Sinem; Akgün, Mert; Koyuncu, Sermet; Yağcı, Yusuf (Royal Society of Chemistry, 2021)A new photochemical approach for the synthesis of metal-free three-dimensional hollow spherical conjugated polymers is described. Irradiation of solutions containing a specially designed monomer, namely 4,4 '-bis(N-carbazolyl)-1,1 ... -
Metal içermeyen organik makro moleküllerin sentezi, karakterizasyonu ve optoelektronik uygulamaları
Sefer, Emre (Çanakkale Onsekiz Mart Üniversitesi, Lisansüstü Eğitim Enstitüsü, 2015)Bu tez çalışmasında kendi kendine düzenlenme özelliğine sahip ana ve yan grup olarak piren molekülü içeren makro moleküllerin sentezi, karakterizasyonu ve opto elektronik performansları üzerine çalışmalar yapılmıştır. İlk ... -
A Novel Viologen-Derived Covalent Organic Framework Based Metal Free Catalyst for Nitrophenol Reduction
Altınışık, Sinem; Koyuncu, Sermet (John Wiley and Sons Inc, 2023)It is highly desirable to develop new metal free catalysts to reduction of toxic organic pollutants such as 4-nitrophenol (4-NP). Viologens are efficient electron-transfer mediators (ETMs) for reduction reactions with NaBH4 ... -
OLED aydınlatma sistemleri için tiyofen-karbazol içeren yeni tür polimerin tasarımı ve sentezi
Nazlı, Ahmet (Çanakkale Onsekiz Mart Üniversitesi, Lisansüstü Eğitim Enstitüsü, 2023)Organik ışık yayan diyotlar (OLED'ler) aydınlatma teknolojisindeki uygulamaları nedeniyle akademik ve endüstriyel alanda ilgi odağı haline gelmiştir. Bu teknolojinin, günümüze kadar olan süreçte ulaştığı noktada kararlılık ... -
Optoelektronik uygulamalar için kumarin içeren yeni tür elektroaktif pentamerler
Aktaş, Arife (Çanakkale Onsekiz Mart Üniversitesi, 2023)Bu tez çalışmasında, tiyofen-kumarin-floren ve tiyofen-kumarin-karbazol içerikli D-A-D-A-D düzenindeki band boşluğu ayarlanabilir yeni tür pentamerlerin (FMP, KMP) sentezi gerçekleştirildi. Sentezlenen pentamerlerin yapı ... -
The Role of Electron-Donating Subunits in Cross-Linked BODIPY Polymer Films
Özdemir, Mücahit; Köksoy, Baybars; Yalçın, Bahattin; Koyuncu, Sermet (John Wiley and Sons Inc, 2023)A new method for synthesizing cross-linked 4,4-difluoro-4-bora-3a,4a-diaza-s-indacenes (BODIPYs) using a radical-based thiol-ene click reaction is developed. This method is simple, efficient, and cost-effective, and it ... -
Symmetrical and Asymmetrical Thiophene-Coumarin-Based Organic Semiconductors
Altınışık, Sinem; Özdemir, Mücahit; Kortun, Arzu; Zorlu, Yunus; Yalçın, Bahattin; Köksoy, Baybars; Koyuncu, Sermet (American Chemical Society, 2024)Organic semiconductors are a valuable material class for optoelectronic applications due to their electronic and optical properties. Four new symmetric and asymmetric thiophene-coumarin derivatives were designed and ... -
Synthesis and photovoltaic properties of novel ferrocene-substituted metallophthalocyanines
Özdemir, Mücahit; Köksoy, Baybars; Kuruca, Halid; Altindal, Ahmet; Durmuş, Mahmut; Koyuncu, Sermet; Yalçin, Bahattin (Royal Society of Chemistry, 2022)In this paper, a series of new metallophthalocyanines, including ferrocene groups, were designed, synthesized and, characterized, and their photovoltaic properties were investigated as alternative electron-donor materials ... -
Viologen-Based Covalent Organic Frameworks toward Metal-Free Highly Efficient Photocatalytic Hydrogen Evolution
Altınışık, Sinem; Yanalak, Gizem; Hatay Patır, İmren; Koyuncu, Sermet (American Chemical Society, 2023)Covalent organic frameworks (COFs) have shown promise in the field of photocatalysts for hydrogen evolution. Many studies have been carried out using various electroactive and photoactive moieties such as triazine, imide, ...
