Figure 8

TB (iterative, in grey) and ab initio (red) transmission through angled-cut (8, 8) CNT leads bridged by two polyene molecules at site combination (a) \(\theta =8\pi /3n\)(3–30), (b) \(14\pi \mathrm{/3}n\)(5–28), (c) \(20\pi \mathrm{/3}n\)(7–26), (d) \(26\pi \mathrm{/3}n\)(9–24), (e) \(32\pi /3n\)(11–22), and (f) \(38\pi \mathrm{/3}n\)(13–20).