Novel synthetized near infrared cyanine dyes as sensitizer for dye sensitized solar cells based on nano-TiO2

Reda Mahmoud Abdel Aal, Mihai A Gitru, Zahraa Mohammed Essam

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The shortage of energy resources and increasing demand of alternative resources has become urgent priority for the world. Therefore research in this area is extremely important and promising as in renewable energy. Thus complete solar
cells sensitized with cyanine dyes 3-5, having near infrared absorption band optimized for solar cell, are synthesized, characterized and studied in the sun light conversion efficiency. The obtained results should be valid for large studies
to reveal the main problems in obtaining sufficient performance of near infrared absorbing dyes.