A graphene nanoribbon precursor has a structure that is indicated by a predetermined chemical formula. In the chemical formula (1), n1 is an integer that is greater than or equal to 1 and less than or equal to 6; X, Y, and Z are F, Cl, Br, I, H, OH, SH, SO2H, SO3H, SO2NH2, PO3H2, NO, NO2, NH2, CH3, CHO, COCH3, COOH, CONH2, COCl, CN, CF3, CCl3, CBr3, or CI3; and when desorption temperatures of X, Y and Z from carbon atoms constituting six-membered rings are respectively TX, TY, and TZ, a relationship of TXTY≤TZ is satisfied.
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机译：石墨烯纳米带前体具有由预定化学式表示的结构。在化学式（1）中，n 1 是大于或等于1且小于或等于6的整数; X，Y和Z为F，Cl，Br，I，H，OH，SH，SO 2 H，SO 3 H，SO 2 NH 2 ，PO 3 H 2 ，NO，NO 2 ，NH 2 ，CH 3 ，CHO，COCH 3 ，COOH，CONH 2 ，COCl，CN，CF 3 ，CCl 3 ，CBr 3 或CI 3 ;当X，Y和Z从构成六元环的碳原子上解吸的温度分别为T X ，T Y 和T Z ，则满足T X Y ＆＃x2264; T Z 的关系。
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