The figure of merit ZT as a function of the interbend length H₁ and H₃ (H₃ = H₁) at temperature (T = 100 K, 300 K, and 600 K) for (a) bended ZZ-GNRs and (b) bended AA-GNRs, where other parameters are similar to that in Figs. 2 and 3, respectively.