排序方式: 共有1条查询结果,搜索用时 0 毫秒
1
1.
Intramolecular Locked Dithioalkylbithiophene‐Based Semiconductors for High‐Performance Organic Field‐Effect Transistors 下载免费PDF全文
Sureshraju Vegiraju Bo‐Chin Chang Pragya Priyanka Deng‐Yi Huang Kuan‐Yi Wu Long‐Huan Li Wei‐Chieh Chang Yi‐Yo Lai Shao‐Huan Hong Bo‐Chun Yu Chien‐Lung Wang Wen‐Jung Chang Cheng‐Liang Liu Ming‐Chou Chen Antonio Facchetti 《Advanced materials (Deerfield Beach, Fla.)》2017,29(35)
New 3,3′‐dithioalkyl‐2,2′‐bithiophene ( SBT )‐based small molecular and polymeric semiconductors are synthesized by end‐capping or copolymerization with dithienothiophen‐2‐yl units. Single‐crystal, molecular orbital computations, and optical/electrochemical data indicate that the SBT core is completely planar, likely via S(alkyl)?S(thiophene) intramolecular locks. Therefore, compared to semiconductors based on the conventional 3,3′‐dialkyl‐2,2′‐bithiophene, the resulting SBT systems are planar (torsional angle <1°) and highly π‐conjugated. Charge transport is investigated for solution‐sheared films in field‐effect transistors demonstrating that SBT can enable good semiconducting materials with hole mobilities ranging from ≈0.03 to 1.7 cm2 V?1 s?1. Transport difference within this family is rationalized by film morphology, as accessed by grazing incidence X‐ray diffraction experiments. 相似文献
1