Yazar "Davis, Frank" için listeleme
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Calix[4]amine Langmuir-Blodgett thin film sensing properties against volatile organic compounds
Şen, Sibel; Çapan, Rifat; Özbek, Zikriye; Özel, Mehmet Emin; Stanciu, George A.; Davis, Frank (Iop Publishing LTD, 2019)Thin films of CBAMINE were deposited at air-water interface by the method of Langmuir-Blodgett (LB) technique onto a suitable substrate. Atomic force microscopy technique was used to characterize its thin film properties. ... -
Characterization of Langmuir-Blodgett films of a calix[8]arene and sensing properties towards volatile organic vapors
Çapan, Rifat; Özbek, Zikriye; Göktaş, Hilal; Şen, Sibel; İnce, Fatma Gül; Özel, Mehmet Emin; Stanciu, George; Davis, Frank (Elsevier Science SA, 2010)Within this article, we report the characterization and organic vapor sensing properties of Langmuir-Blodgett (LB) thin films of calix[8]arenes. Surface pressure-area isotherms show that very stable monolayers are formed ... -
Electrical characterisation of stearic acid/calix[4]amine Langmuir-Blodgett thin film
Çapan, Rifat; Richardson, Tim; Hassan, Aseel K.; Davis, Frank (Elsevier Science Sa, 2014)Within this work we deposited 16 monolayers of stearic acid alternated with 15 monolayers of calix[4] amine to form a non-centrosymmetric Langmuir-Blodgett (LB) thin film onto an aluminized (50 nm coated) glass microscopic ... -
Electrical properties of a calix[4]acid/amine Langmuir-Blodgett thin film
Çapan, Rifat; Davis, Frank (Elsevier Science Sa, 2011)In this work the DC and AC characteristics for metal-LB film-metal structures deposited by a standard Langmuir-Blodgett film deposition technique are investigated. The conduction mechanism has been studied for a thin film ... -
Electrical properties of alternating acid and amino substituted calixarene Langmuir-Blodgett thin films
Özbek, Zikriye; Davis, Frank; Çapan, Rifat (Pergamon-Elsevier Science Ltd, 2020)The Langmuir-Blodgett (LB) alternate layer fabrication technique provides one of the most effective methods to fabricate organic thin films in the nanoscale. The structure of these thin films could be controlled at the ... -
Electrical properties of Langmuir-Blodgett thin films using calixarene molecules
Özbek, Zikriye; Çapan, Rifat; Sarı, Hüseyin; Uzunoğlu, Tayfun; Davis, Frank (Natl Inst Optoelectronics, 2009)Calix[8]acid/calix[4]amine alternate layer Metal-Langmuir-Blodgett film-Metal (M/LB/M) structures were fabricated onto an aluminized glass substrate. Film deposition results indicated that these molecules are suitable to ... -
Electrochemical aptasensor for detection of dopamine
Abu-Ali, Hisham; Özkaya, Cansu; Davis, Frank; Walch, Nik; Nabok, Alexei (MDPI, 2020)This work presents a proof of concept of a novel, simple, and sensitive method of detection of dopamine, a neurotransmitter within the human brain. We propose a simple electrochemical method for the detection of dopamine ... -
Langmuir-blodgett film properties of based on calix[4]resorcinarene and the detection of those against volatile organic compounds
Şen, Sibel; Çapan, Rifat; Özbek, Zikriye; Özel, Mehmet Emin; Stanciu, George A.; Davis, Frank (Springer Heidelberg, 2019)To determine their inherent properties, thin films of calix[4]resorcinarene (C11AMINE) were deposited using the Langmuir-Blodgett (LB) technique onto a suitable substrate. Prior to the LB thin film preparation, this molecule ... -
Langmuir-Blodgett thin film for chloroform detection
Çapan, Rifat; Göktaş, Hilal; Özbek, Zikriye; Şen, Sibel; Özel, Mehmet Emin; Davis, Frank (Elsevier Science BV, 2015)Calix[4]resorcinarene (C11TEA) molecules could be deposited as an LB film by the Langmuir-Blodgett (LB) technique onto suitable substrates. Surface plasmon resonance (SPR) and UV-vis spectroscopy were employed for the ... -
A macrocyclic tetra-undecyl calix[4]resorcinarene thin film receptor for chemical vapour sensor applications
Şen, Sibel; Davis, Frank; Çapan, Rifat; Özbek, Zikriye; Özel, Mehmet Emin; Stanciu, George A. (Springer, 2020)This work demonstrates the fabrication of chemical vapour sensors using Langmuir-Blodgett (LB) thin films, describing the thin film properties of a tetra-undecyl calix[4]resorcinarene molecule along with a discussion of ... -
Metal sulfide sub-nanometer clusters formed within calix(8)arene Langmuir-Blodgett films
Özkaya, Cansu; Abu-Ali, Hisham; Nabok, Alexei; Davis, Frank; Walch, Nik; Hammond, Deborah; Çapan, Rifat (Elsevier Science SA, 2023)This work describes the construction of layered Langmuir-Blodgett (LB) films of a calixarene and the use of these as matrices for the synthesis of a range of metal sulfide nanoparticles. CuS, CdS, HgS, and PbS nano-clusters ... -
A new approach for the adsorption kinetics using surface plasmon resonance results
Çapan, Rifat; Çapan, İnci; Davis, Frank (Elsevier, 2023)This work is focused on a new approach to determine the adsorption kinetics of Surface Plasmon Resonance (SPR) measurement data yielded from Calix[4]arene Langmuir-Blodgett (LB) thin films upon exposure to a range of ... -
Plasma polymerized calixarene thin films and their sensing properties to chloroform vapors
İnce, Fatma Gül; Göktaş, Hilal; Özbek, Zikriye; Çapan, Rifat; Davis, Frank (Taylor & Francis Ltd, 2010)The production of calixarene thin films via double discharge plasma technique and their sensitivity towards chloroform vapor are presented here in. The calixarene thin film is fabricated for the first time by plasma ... -
Pyroelectric and conduction properties of Z-type calix[4] acid Langmuir-Blodgett films
Çapan, Rifat; Richardson, Tim; Ray, Ajay K.; Hassan, A.K.; Davis, Frank (Amer Scientific Publishers, 2005)Non-centrosymmetric Z-type Langmuir-Blodgett (LB) films were prepared by transferring a calix[4] acid monolayer from a subphase of Millipore water (18 M Omega cm(-1)) onto aluminised glass substrates. Electrical measurements ... -
Pyroelectric figure of merit for a calix [4] acid/amine alternate layer Langmuir-Blodgett film
Çapan, Rifat; Alp, İbrahim; Richardson, Tim; Davis, Frank (Elsevier Science Bv, 2005)In this work calix [4] acid (A) has been deposited alternately with calix [4] amine (B) using the LB film deposition technique to form a non-centrosymmetric ABABA... molecular architecture. Pyroelectric and dielectric ... -
Pyroelectric superlattices based on copolysiloxane/calix[8]arene alternate layer LB films
Lacey, David; Richardson, Tim; Davis, Frank; Çapan, Rifat (Elsevier Science Bv, 1999)The pyroelectric effect in alternate layer LB superlattices incorporating interacting lamellae of carboxyl and amino moieties has been investigated. Three distinct systems have been studied, namely (a) a copolysiloxane ... -
Room temperature conduction characteristics of calix [4] acid/amine alternate layer Langmuir-blodgett films
Multilayered Langmuir-Blodgett (LB) films were prepared by transferring alternately six layers of calix [4] acid and five calix [4] amine molecules from the subphase of Millipore water (18MΩ cm-1) on aluminised glass ... -
Spin-coated films of calix[4]resorcinarenes as sensors for chlorinated solvent vapours
Çapan, Rıfat; Çapan, İnci; Davis, Frank; Ray, Asim Kumar (Springer, 2024)Spun thin films were fabricated using two different calix[4]resorcinarene materials. SPR curves of the calix[4]resorcinarenes along with an uncoated gold layer were determined. Exposure of the calix[4]resorcinarene films ... -
Swelling behaviour of calixarene film exposed to various organic vapours by surface plasmon resonance technique
Erdoğan, Matem; Çapan, Rifat; Davis, Frank (Elsevier Science Sa, 2010)Calixarene molecules can be deposited using the Langmuir-Blodgett (LB) film technique as an active layer which can be utilised in the field of volatile organic vapour sensing applications. The sensing responses of the films ...