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Single crystals of fullerene (C60) makes organic thick film solar cells and self supporting organic solar cells possible

Prakash R. Somani (*, A, B), Savita P. Somani (A), M. Umeno (A)

(A) Department of Electronics and Information Engineering, Chubu University, 1200 Matsumoto-cho, Kasugai, 487-8501, Japan.
(B) Applied Science Innovations Private Limited, Vijaynagar, Building No. 3, 4th Floor, Dhayari, Sinhagad Road, Pune, Maharashtra, India.

LETTER, Carbon – Science and Technology 1 (2008) 1- 3.

© Applied Science Innovations Private Limited, India.

Full Text (OPEN ACCESS) : CST-1.pdf

Keywords: Fullerene, Single crystals, organic solar cell, organic thick film solar cell
Abstract: Single crystals of Fullerene (SC-C60) were synthesized by simple liquid/liquid interface precipitation method. Organic thick film solar cell (with an active layer thickness of approximately 20 microns thick) is demonstrated by combining SC-C60 with poly(3-octylthiophene). Our preliminary results indicate that organic thick film solar cells are possible; which were considered to be impossible due to low mobility and small exciton diffusion lengths in most of the organic materials including small organic molecules and conjugated conducting polymers. Further, SC-C60 seems to be promising materials for organic photovoltaics. Self-supporting organic solar cell is also demonstrated using SC-C60.

 

 


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