Black Semiconductor

deeptech · Aachen, DE

Startup developing next-generation graphene-based chip technology.

Founders

Daniel Schall (Germany · ♂) — A photonics researcher at RWTH Aachen whose decade of work on chip-to-chip optical communication led him to spin out Black Semiconductor to integrate graphene photonics directly onto chips and overcome electrical interconnect bottlenecks.
Sebastian Schall (Germany · ♂) — Daniel's brother, who joined as CFO to build the business and operational side around his brother's graphene photonics research, co-founding Black Semiconductor in 2020.

Shares the most investors with (number = shared investors):

Date	Round	Amount
Jun 2024	Series A Black Semiconductor announced €254M in Series A funding, combining €228.7M in German public funding with €25.7M equity led by Porsche Ventures and Project A Ventures, to scale graphene-based chip manufacturing.	$273M
Oct 2022	Seed Black Semiconductor, an Aachen-based graphene-chip startup, raised an undisclosed round.	—

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