The large body of work on OSCs developed over the years provides us with clues for the
rational design of new promising small molecule materials. The excellent performance of
rubrene and 6, 13-bis (triisopropylsilylethynyl) pentacene (TIPS-pentacene) comes from
their respective 2D layered herringbone and brickwall packing, as a result of the steric
hindrance of the bulky substituents.[6] However, their packing structures also give rise to
pronounced in-plane charge transport anisotropy.[7] Among the reported molecular …

All the reactions were carried out under an argon atmosphere. Air-and/or moisture-sensitive
liquids and solutions were transferred via a syringe or a Teflon cannula. Analytical thin-layer
chromatography (TLC) was performed on aluminium plates with 10-12 µm silica gel
containing a fluorescent indicator (Merck silica gel 60 F254). TLC plates were visualized by
exposure to ultraviolet light (254 nm and 365 nm). Flash column chromatography was
performed on Grace Davisil LC60A (70-200µm) silica. All NMR spectra were recorded on …