Organic Devices

I. Solid-state dye solar cells (SDSC)

 

 

 

 

 

 

 

 

 

Principle of donor-antenna dye in SDSC	SEM esoporous nanocrystalline titania layer in SDSC	I/V characteristics under AM 1.5 conditions

 

II. Block copolymer solar cells

short structures  elongated structures

 

 III. Self-assembling polymer hybrid solar cells

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

 

 

PvTPD-block-P4VP

 

(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.

 

 

 

 

 

 

 

 

 

 

 

IV. Organic field effect transistors (OFETs)

Device structure

Device function

 

 

 

 

 

 

 

 

Block copolymer transistors characteristics

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%)