Study of some Complex Organic Materials Characteristics in Thin Films

Abstract:

Studies were carried out in order to investigate the sensitivity of some thin films, to ultraviolet light, based on barium stearate and carbon nanotubes structures. A three – five monolayers structures were developed using the Langmuir – Blodgett technique onto ceramic substrate. Obtained Langmuir – Blodgett complex thin films shows sensitivity to ultra violet light radiation, taking into consideration the presence of carbon nanotubes that facilitates the charge carriers transport. Also the investigations performed, revealed the properties of carbon nanotubes and point out the fine chemistry of these materials. Based on this premise we proceed to investigate and characterize the photo – electrical behavior of the obtained structures.

• Periodical: Applied Mechanics and Materials (Volume 760)
• Pages: 233-238
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.760.233
• Online since: May 2015
• Authors: Laurentiu Baschir*, Madalin Rusu, Valeriu Savu, Daniel Tenciu
• Keywords: Barium Stearate, Langmuir, Nanotubes, Thin Film, Ultraviolet

References

[1] Lecomte C, Rohmer M-M and Benard M 2000 The porphyrin handbook (eds) K M Kadish, K M Smith and R Guilard vol. 2, p.39–78; Shelnutt J A 2000 The porphyrin handbook (eds) K M Kadish, K M Smith and R Guilard vol. 7, p.167–22.

DOI: 10.1016/b978-0-08-092385-7.50004-5

[2] Ghosh A 2000 The porphyrin handbook (eds) K M Kadish, K M Smith and R Guilard vol. 7, p.1–38; Jasat A and Dolphin D 1997 Chem. Rev. 97 2267.

[3] Stilts C E, Nelen M I, Hilmey D G, Davies S R, Gollnick S O, Oseroff A R, Gibson S L, Hilf R and Detty M R 2000 J. Med. Chem. 43 2403.

DOI: 10.1021/jm000044i

[4] I. R. Peterson, Langmuir Blodgett Films, J. Phys. D 23(4), 379 (1990).

[5] S. A. Hussain, Langmuir-Blodgett Films a unique tool for molecular electronics arXiv: 0908. 1814 (2009).

[6] R. Singhal, A. Chaubey, K. Kaneto, W. Takashima, B. D. Malhotra, Biotechnol. Bioeng. 85(3), 277 (2004).

[7] I. D. Simandan, F. Sava, A. Velea, A. Lorinczi, M. Popescu, Optoelectron. Adv. Mater. –Rapid Commun. 4(8), 1178 (2010).

[8] S. B. Ogale, P.G. Bilurkar, N. Mate, S. M. Kanetkar, N. Parikh, B. Patnaik, J. Appl. Phys. 72, 3765 (1992).

[9] C.J. Brabec, V. Dyakonov, J. Parisi, N.S. Sariciftci, Organic Photovoltaics: Concepts andRealization; Vol. 60, Berlin, (2003).

[10] I. D. Simandan, M. Popescu, A. Lorinczi, A. Velea,E. Fagadar-Cosma, Dig. J. Nanomater. and Bios. 5(4), 1029 (2010).

[11] L. Baschir, E. Fagadar-Cosma, I. Creanga, A. Palade, A. Lascu, M. Birdeanu, D. Savastru, V. Savu, S. Antohe, A. Velea, G. Fagadar-Cosma, M. Popescu, I.D. Simandan, UV Sensing effect in langmuir-blodgett complex films containing a novel synthesized Fe(III) porphyrin, -Digest Journal of Nanomaterials and Biostructures Vol. 9, No. 2, April – June 2014, p.847.

DOI: 10.3390/molecules191221239

[12] Hysteresis effect in langmuir films based on barium stearate with phthalocyanine additives for uv sensing applications - L. Baschir, M. Popescu, Stefan Antohe - Journal of Ovonic Research Vol. 8, No. 6, November – December 2012, p.189 – 193.

[13] L. Baschir - Mettaloporphyrin with photo-electrical behavior based on Fe(III) porphyrin, Optoelectronics and Advanced materials – Rapid Communications, Vol. 8, No. 1-2, January - February 2014, p.23 – 25.

[14] L. Baschir, S. Antohe, A. Radu , R. Constantineanu, S. Iftimie, I.D. Simandan, M. Popescu -Effect of CNTs and Metal-Phthalocyanines Adding on the Photo-Electrical Behavior of the Photovoltaic Structures Based on Polymeric Blends, Diges Journal of Nanomaterials and Biostructures, Vol. 8, No. 4, (2013).