Benzothienothienobenzene (BTBT) derivative with asymmetric structure and preparation method and application thereof

The invention provides a benzothienothienobenzene (BTBT) derivative with an asymmetric structure and a preparation method and application thereof. The structural formula of the BTBT derivative with the asymmetric structure is shown as a formula I, a formula II or a formula III. According to the embodiment of the invention, the compounds BTBTN, C6-sBTBTN, C8-sBTBTN, C10-sBTBTN, C6-sBTBTEN and C6-sBTBTYN asymmetric structure molecules are excellent semiconductor materials. The synthesis method is relatively simple, the asymmetric molecular configuration has certain guiding significance for researching the relationship between the molecular structure and the field effect performance, and a basis is provided for further designing and synthesizing a high-performance organic semiconductor with the asymmetric molecular structure. 本发明提供一种不对称结构的苯并噻吩并噻吩并苯(BTBT)衍生物及其制备方法与应用。所述不对称结构BTBT衍生物，其结构式如式Ⅰ，式Ⅱ或式Ⅲ所示。本发明提供的实施例化合物BTBTN，C6-BTBTN，C8-BTBTN，C10-BTBTN，C6-BTBTEN和C6-BTBTYN类不对称结构分子是优良的半导体材料。本发明合成方法较为简单，不对称的分子构型对于研究分子结构与场效应性能