Easily synthesized naphthalene tetracarboxylic diimide semiconductors with high electron mobility in air
See, KC; Landis, C; Sarjeant, Amy; Katz, HE
| HERO ID | 3575887 |
|---|---|
| In Press | No |
| Year | 2008 |
| Title | Easily synthesized naphthalene tetracarboxylic diimide semiconductors with high electron mobility in air |
| Authors | See, KC; Landis, C; Sarjeant, Amy; Katz, HE |
| Journal | Chemistry of Materials |
| Volume | 20 |
| Issue | 11 |
| Page Numbers | 3609-3616 |
| Abstract | New N,N'-substituted 1,4,5,8-naphthalene tetracarboxylic diimides (NTCDIs) were synthesized in one step reactions, resulting in excellent electron mobilities in air as measured in organic field effect transistors (OFETs). Two perfluoroalkyl-benzyl N,N' substituents were used, differing in the length of the perfluoroalkyl moieties on the benzyl portion of the molecule. Single crystals of the short chain compound 2 were successfully grown by horizontal vapor deposition, and crystal structures were obtained and analyzed. Devices from both compounds were fabricated on untreated and silane treated Si/SiO2 substrates. The longer chain compound 1 gives the largest field effect mobility, reaching 0.57 cm(2)/(V s) in air. This is competitive with the best air stable n-channel materials to date. In contrast to previously studied high mobility materials, 1 achieved mobilities near 0.4 cm(2)/(V s) without the use of dielectric substrate treatments. Additionally, 1 displays exemplary ordering regardless of surface treatment, as determined from X-ray diffraction, while 2 displays significant improvement in mobility and film structure when deposited on surface treated substrates. |
| Doi | 10.1021/cm7032614 |
| Wosid | WOS:000256443900014 |
| Url | <Go to ISI>://WOS:000256443900014 |
| Is Certified Translation | No |
| Dupe Override | No |
| Is Public | Yes |
| Language Text | English |