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[45970] Artykuł:

Optical characterization of pure and Al-doped ZnO prepared by sol-gel method

Czasopismo: Proceedings of SPIE   Tom: 0031
ISSN:  0277-786X
ISBN:  978-1-5106-0485-8
Wydawca:  SPIE-INT SOC OPTICAL ENGINEERING, 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
Opublikowano: Wrzesień 2016
Seria wydawnicza:  Proceedings of SPIE
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału		 Liczba
punktów
Radosław Belka orcid logoWEAiIKatedra Systemów Informatycznych *337.50  
Justyna Kęczkowska orcid logoWEAiIKatedra Systemów Informatycznych *337.50  
Justyna Kasińska orcid logoWMiBMKatedra Technik Komputerowych i Uzbrojenia**3315.00  

Grupa MNiSW:  Materiały z konferencji międzynarodowej (zarejestrowane w Web of Science)
Punkty MNiSW: 15
Klasyfikacja Web of Science: Proceedings Paper

DOI LogoDOI     Web of Science Logo Web of Science    
Keywords:

zinc oxide  AZO  Raman spectroscopy  UV-VIS spectroscopy  SEM 


Abstract:

In this paper the preparation process and optical characterization of pure and Al3+ doped zinc oxide (Al:ZnO) coatings will be presented. ZnO based materials have been studied extensively due to their potential applications in optoelectronic devices as conductive gas sensors, transparent conductive, electrodes, solar cell windows, varistors, UV-filters or photovoltaic cells. It is II-VI semiconductor with wide-band gap of 3.37 eV and large exciton binding energy of 60meV. It is possible to improve the conductivity of ZnO coating by intentionally doping ZnO with aluminium ions during preparation process. Such transparent and conducting thin films, known as AZO (Aluminium Zinc Oxide) films, are very good candidate for application as transparent conducting materials in many optoelectronic devices. The well-known sol-gel method is used for preparation of solution, coated on glass substrates by dip coating process. Prepared samples were investigated by Raman and UV-VIS spectroscopy. Transmittance as well as specular and diffuse reflectance spectroscopy methods were used for studies of optical parameters. We found that Al admixture influences on optical bandgap of ZnO.


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