Effect of Molecular Asymmetry on the Charge Transport Physics of High Mobility n-Type Molecular Semiconductors Investigated by Scanning Kelvin Probe Microscopy
文献类型：期刊论文
| 作者 | Hu, Yuanyuan1; Berdunov, Nikolai1; Di, Chong-an2; Nandhakumar, Iris3; Zhang, Fengjiao2; Gao, Xike4; Zhu, Daoben2; Sirringhaus, Henning1 |
| 刊名 | ACS NANO
 |
| 出版日期 | 2014-07-01 |
| 卷号 | 8期号:7页码:6778-6787 |
| 关键词 | Field-effect Transistors Kelvin Probe Microscopy Molecule Symmetry Intralayer And Interlayer Transport |
| ISSN号 | 1936-0851 |
| DOI | 10.1021/nn500944f |
| 英文摘要 | We have investigated the influence of the symmetry of the side chain substituents in high-mobility, solution processable n-type molecular semiconductors on the performance of organic field-effect transistors (OFETs). We compare two molecules with the same conjugated core, but either symmetric or asymmetric side chain substituents, and investigate the transport properties and thin film growth mode using scanning Kelvin probe microscopy (SKPM) and atomic force microscopy (AFM). We find that asymmetric side chains can induce a favorable two-dimensional growth mode with a bilayer structure, which enables ultrathin films with a single bilayer to exhibit excellent transport properties, while the symmetric molecules adopt an unfavorable three-dimensional growth mode in which transport in the first monolayer at the interface is severely hindered by high-resistance grain boundaries. |
| 语种 | 英语 |
| WOS记录号 | WOS:000339463100031 |
| 出版者 | AMER CHEMICAL SOC |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/51319]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Di, Chong-an |
| 作者单位 | 1.Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England 2.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Key Lab Organ Solids, Beijing 100190, Peoples R China 3.Univ Southampton, Dept Chem, Southampton SO17 1BJ, Hants, England 4.Chinese Acad Sci, Shanghai Inst Organ Chem, Lab Mat Sci, Shanghai 200032, Peoples R China |
| 推荐引用方式 GB/T 7714 | Hu, Yuanyuan,Berdunov, Nikolai,Di, Chong-an,et al. Effect of Molecular Asymmetry on the Charge Transport Physics of High Mobility n-Type Molecular Semiconductors Investigated by Scanning Kelvin Probe Microscopy[J]. ACS NANO,2014,8(7):6778-6787. |
| APA | Hu, Yuanyuan.,Berdunov, Nikolai.,Di, Chong-an.,Nandhakumar, Iris.,Zhang, Fengjiao.,...&Sirringhaus, Henning.(2014).Effect of Molecular Asymmetry on the Charge Transport Physics of High Mobility n-Type Molecular Semiconductors Investigated by Scanning Kelvin Probe Microscopy.ACS NANO,8(7),6778-6787. |
| MLA | Hu, Yuanyuan,et al."Effect of Molecular Asymmetry on the Charge Transport Physics of High Mobility n-Type Molecular Semiconductors Investigated by Scanning Kelvin Probe Microscopy".ACS NANO 8.7(2014):6778-6787. |
入库方式： OAI收割
来源：化学研究所
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