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Organic single crystal growth for solar cell applications

Drolenga, B.H.P. (2012) Organic single crystal growth for solar cell applications. Bachelor's Thesis, Physics.

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Organic Single Crystals of two materials have been grown in this research. P-type Rubrene, 5,6,11,12-tetraphenylnaphthacene, single crystals were cm-sized. N-type PDI-FCN2, fluoroalkylated dicyanoperylene-3,4:9,10-bis(dicarboximides), single crystals were mm-sized. Photodiode devices have been fabricated using Rubrene as single layer device with asymmetric work-function electrodes. A bilayer structure with Rubrene and PDI-FCN2 with asymmetric work-function electrodes has been fabricated to obtain solar cell behavior. The bottom electrodes were modified with a thin organic layer, which can reduce the electrode work-function. For all device configurations, photoactive behavior has been observed. A bottom electrode of silver modified with PEI has got the best photodiode characteristics. For the bilayer structure a small short-circuit current and open-circuit voltage has been observed. Nevertheless, the shifts were too small to call it solar cell behavior.

Item Type: Thesis (Bachelor's Thesis)
Degree programme: Physics
Thesis type: Bachelor's Thesis
Language: English
Date Deposited: 15 Feb 2018 07:52
Last Modified: 15 Feb 2018 07:52

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