Great strides have been made in the understanding of electronic and optical properties of single-walled carbon nanotubes (SWCNTs) in the past few decades. The creation of bright quantum defects in SWCNTs reported by the seminal works in the early 2010s have rekindled interests in controlled chemical modification of SWCNTs. In contrast to these exciting developments in the excitonic frontier, electron spins, which are ubiquitous in solid state materials and highly relevant to spintronic and quantum information science, in SWCNTs are relatively less understood. In this talk, I will discuss about our recent exploration of electron spins in SWCNTs. We discover that controlled chemical modification can serve as an effective approach in engendering long-lived electron spins in these 1D carbon materials.

Long-lived electron spins in one-dimensional carbon materials

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