2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/168167Because graphene is an atomically two-dimensional gapless semiconductor with nearly identical conduction and valence bands, graphene-based bilayers are attractive candidates for high-temperature electron-hole pair condensation. We present estimates which suggest that the Kosterlitz-Thouless temperatures of these two-dimensional counterflow superfluids can approach room temperature.5 pages, 3 figures; updated discussion and references; to appear in PRB Rapid CommMesoscale and Nanoscale PhysicsSuperconductivitytext