TECHNOLOGY FOCUS - ELECTRONICS - Preferred Components: The transistor further comprises: a gate electrode (24) on a substrate (22); a source electrode and a drain electrode facing each other and defining a channel region; an insulation layer (26) configured to electrically insulate the source electrode and drain electrode, and the gate electrode; and an active layer (28) including the ICP in the channel region.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The metal-containing compound is a: compound including a metal comprising zinc, silver, copper, nickel, cobalt or platinum; or a salt of a metal comprising zinc, silver, copper, nickel, cobalt and/or platinum. The salt includes at least one of a sulfate, a chlorate and/or a nitrate.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: In (I), at least two of Ar1 are linked through a linker comprising -CR1R2-, -O-, -S-, -SO2-, -CO-, -COO-, -CR3=CR4-, -CC- or -SiR5R6-. (I): has a number average molecular weight of 1000-100000; and is 2,2'-bis-(5-pyridin-4-yl-thiophen-2-yl)-(5,5')bithiazolyl of formula (IA), substituted 2,2'-di-thiophen-2-yl-(5,5')bithiazolyl compound of formula (IB), substituted 2,5-di-thiophen-2-yl-thieno(3,2-b)thiophene compound of formula (IC) or substituted (2,2';5',2'';5'',2''')quaterthiophene compound of formula (ID).R1-R4 = fluoro, 1-30C alkyl, 3-30C cycloalkyl, 1-20C fluoroalkyl, 1-20C perfluoroalkyl (CnF2n+1), 1-30C alkoxy, 3-30C cycloalkoxy, 2-30C alkoxyalkyl and/or 4-30 cycloalkoxyalkyl;m = 1-100; andR1-R6 = 1-20C alkyl, 3-20C cycloalkyl, 1-20C alkoxy, 6-30C aryl, 2-30C heteroaryl (all optionally substituted) and/or H. Preferred Definitions:    Ar1 = thiophene, thiazole, thiadiazole, oxazole, isoxazole, oxadiazole, imidazole, pyrazole, triazole, tetrazole, pyridine, pyridazine, quinoline, isoquinoline, quinoxaline, naphthyridine, benzoimidazole, pyrimidine, pyrimidopyrimidine, benzothiadiazole, benzoselenadiazole, benzotriazole, benzothiazole, benzooxazole, phenanthroline, phenazine, pyrazine, triazine, pyridopyrimidine, phenaphthyridine, naphthalene, anthracene, tetracene and/or N-phenylene;    X1, X2 = pyridine, pyrimidine, triazine (all optionally substituted), or unsubstituted thiophene carboxylic acid; and    n = 2-100.    EXAMPLE - 4,4'-Didodecyl-2,2'-bis-(3-dodecyl-5-pyridin-4-yl-thiophen-2-yl)-(5,5')bithiazolyl compound of formula (II) (100 mg) was dissolved in chlorobenzene solvent (10 ml) to prepare a first solution. Then Zinc Perchlorate (5 mg) was dissolved in methanol (0.5 ml) to prepare a second solution. The first solution was added to the second solution to obtain the organic composition.