Congrats to Yuanyuan and Fei for their co-first authored paper “Chirality-Dependent Electrical Characteristics of MoS2 Nanoscroll Transistors” being accepted in JACS!
Rolling two-dimensional semiconductors into nanoscrolls introduces lattice chirality, but its influence on charge transport has been hard to isolate. Combining polarization-resolved second-harmonic generation (SHG) with transistor measurements on individual MoS₂ nanoscrolls, this work established a direct chirality–transport correspondence. A chirality-sensitive coherent-superposition model extracted chirality parameters from 24 scrolls (19 within 3° of conventional analysis), and back-gated devices showed that larger twist angles reduce on-current and field-effect mobility (Spearman −0.99/−0.83; partial correlation −0.78 after controlling strain), while off-current scales with wrapping number through electrostatic screening. This single-scroll methodology enables structure-based design of chiral nanoelectronic devices.
