The surface emitting microcavity is formed by sandwiching a polymer film containing poly (para-phenylene vinylene) (BMPPV) and poly (N-vinylcarbazole)(PVK) betw
Organic semiconductoe3,4,9,10-perylenetetracarboxylic dianhydride(PTCDA)has been synthetized with 1,8-naphthalic anhydride using chemical method.X-ray diffracti