S. Fabiano and B. Pignataro, Phys. Chem. Chem. Phys. 2010, DOI:10.1039/C0CP01012JPreparation and characterization tools for engineering molecular thin films with a nanoscale 3D order move up different emerging applications.

Flexible Organic-based Photovoltaics Potential Applications

Main stepsSolar Light Absorption Light-induced exciton formationExciton diffusionExciton DissociationFree Charge Carriers migrationPhotovoltaic Effect in a BHJdonoracceptorexh+e-ELECTRIC FIELDAnodeCathodeITOAl

LUMOHOMOE = 2.62 eV (472 nm)f = 2.843Three-coordinate boron polymers for the first time as electron acceptors (vacant 2p orbitals conjugated with adjacent p-systems)

poly[(1,4-divinylenephenylene)(2,4,6-triisopropylphenylborane)]poly(3-hexylthiophene)

Voc = 1V; Isc = 6 mA/cm2; h = 2-3 %Voc= 0.69 V, Jsc = 5.02 mA/cm2, ; h = 3%tris(thienylenevinylene) substituted polythiophene and poly[perylenediimide-alt-bis(dithienothiophene)], Z. Tan et al., Appl. Phys. Lett. 2008, 93, 073309.

S. Cataldo, S. Fabiano, F. Ferrante, F. Previti, S. Patan, B. Pignataro, Macromolecular Rapid Communication 31 (2010) 1281-1286

We want to develop low cost and simple methods enabling to: Have a high control on the dimension, continuity, density of D/A domains

Guarantee the optical/electronic properties of D/A

Prepare BHJs by D and A systems that may be soluble also in different solvents