Boronate ester post-functionalization of PPEs: versatile building blocks for poly(2, 2′-(1-(4-(1, 2-di(thiophen-2-yl)vinyl)phenyl)-2-(2, 5-dioctylphenyl)ethene-1, 2-diyl)dithiophene) and application in field effect transistors. Issue 39 (18th September 2015)