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Organic Devices

I. Solid-state dye solar cells (SDSC)

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Principle of donor-antenna dye in SDSC SEM esoporous nanocrystalline titania layer in SDSC I/V characteristics under AM 1.5 conditions
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II. Block copolymer solar cells

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short structures

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 elongated structures

 

 III. Self-assembling polymer hybrid solar cells

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: Light harvesting nanocrystals
(CdSe, PbSe, PbS etc).

 

 

PvTPD-block-P4VP

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(joint work with Rogach, LMU Munich)

Maria et al. Macromolecules, 2008, 41, 6081-6088

Morphology of semiconductor block copolymer and its nanocomposite with preferential incorporation of quantum dots in one domain.

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IV. Organic field effect transistors (OFETs)

Device structure
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Device function

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Block copolymer transistors characteristics

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  • Almost identical to Homopolymer

  • Annealing: 30-60min at 210°C (~10°C>Tm)

  • µ=1.2 E-3 cm²/Vs Vth= 4.1V

 

 

              Block Copolymer:
        PS-bl-PPerAcr 30 – 70 (wt%)  

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