TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The electron acceptor A of formulae (II), (III) (NC-(CN)C=C(R1)-) and (IV). The electron donor D of formulae (V)-(VIII).In formula (II)R1-R5 = H, halo, CN, 1-12C alkyl, 1-12C alkoxy or 1-12C alkoxyalkyl; andB1, B2 = =C(=O), =C=(CN)2 one of which may be O.In formula (VIII)R1-R7 = H, 1-12C alkyl, 1-10C alkoxy or 1-10C alkoxyalkyl.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation (Disclosed): Preparation of (I) comprises reacting tris(4-bromo phenyl) amine of formula (a) with 2-tributylstannylthiophene of formula (b) and tetrakis (triphenyl phosphine) palladium to give tris-(4-thiophen-2-yl-phenyl)-amine of formula (c); reacting (c) with dimethyl formamide and phosphorus oxy chloride (POCl3) to form tris(4-(5-formyl-2-thienyl)phenyl)amine of formula (d); reacting thienyl-2-methyl-diethylphosphonate (e) with calcium tert-butoxide to form bis (4-(5-(2-thienylethenyl)-2-thienyl)phenyl-4-(5-formyl-2-thienyl)) phenylamine of formula (f); and reacting (f) with indanedione of formula (g) and triethylamine to give (h) (representative of (I)).    TECHNOLOGY FOCUS - TEXTILES AND PAPER - Preferred Components: The material for a channel layer is formed into a thin film by screen printing, printing, spin coating, spin casting, dipping or ink spraying. The hole conducting material is formed into a thin film by screen printing, printing, spin coating, spin casting, dipping or ink spraying. SPECIFIC COMPOUNDS - 5 Compounds (I) are specifically claimed e.g. 2-(5-(4-(bis-(4-(5-(2-thiophen-2-yl-vinyl)-thiophen-2-yl)-phenyl)-amino)-phenyl)-thiophen-2-ylmethylene)-malononitrile of formula (Ia).    EXAMPLE - Tris(4-(5-formyl-2-thienyl)phenyl)amine (400 mg) and thienyl-2-methyldiethylphosphonate (400 mg) were dissolved in anhydrous tetra hydro furan (50 ml), and then calcium-t-butoxide (191 mg) was added. The mixture was stirred under a nitrogen atmosphere and dichloromethane (150 ml) was added. The obtained organic phase was worked up to give residue, which was worked up to afford bis (4-(5-(2-thienylethenyl)-2-thienyl)phenyl)-4-(5-formyl-2-thienyl)phenylamine (100 mg, 20%) as an orange solid. The bis(4-(5-(2-thienylethenyl)-2-thienyl)phenyl)-4-(5-formyl-2-thienyl)phenylamine (100 mg) was dissolved in chloroform (30 ml), and then indanedione (30 ml) and an excess of triethylamine were added under a nitrogen atmosphere. After the mixture was refluxed under a nitrogen atmosphere for 12 hours, the reaction mixture was worked up to afford bis(4-(5-(2-thienylethenyl)-2-thienyl)phenyl-4-(5-ethylidene indane dione-2-thienyl)phenyl)amine (50 mg, 43%) as a red solid.