Disclosed herein is an article comprising a substrate; upon which is disposed a composition comprising: a first block copolymer that comprises a first block and a second block; where the first block has a higher surface energy than the second block; a second block copolymer that comprises a first block and a second block; where the first block of the first block copolymer is chemically the same as or similar to the first block of the second block copolymer and the second block of the first block copolymer is chemically the same as or similar to the second block of the second block copolymer; where the first and the second block copolymer have a chi parameter greater than 0.04 at a temperature of 200° C.