Heterojunction: https://en.wikipedia.org/wiki/Heterojunction https://en.wikipedia.org/wiki/Heterojunction dual-gated van der Waals heterojunctions: Anyways, t

Heterojunction: https://en.wikipedia.org/wiki/Heterojunction https://en.wikipedia.org/wiki/Heterojunction dual-gated van der Waals heterojunctions: Anyways, the Heterojunctions article mentions quantum dots, which can be fabricated with [synthetic] DNA: https://news.ycombinator.com/item?id=37698081 https://news.ycombinator.com/item?id=37698081 : > "Ultrafast dense DNA functionalization of quantum dots and rods for scalable 2D array fabrication with nanoscale precision" (2023) https://www.science.org/doi/10.1126/sciadv.adh8508 https://www.science.org/doi/10.1126/sciadv.adh8508