Visualizing the Quantum States of Two-Dimensional Materials

When some semiconductors absorb light, excitons (or particle pairs made of an electron bound to an electron hole) can form. Two-dimensional crystals of tungsten disulfide (WS2) have unique exciton states that are not found in other materials.

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Laura Thomsonjun , Office Of Science , Chemical Sciences , Office Of Scientific Research , Office Of Basic Energy Sciences , Semiconductors Industry , National Science Foundation , National Science Foundation Graduate Research Fellowship Program , Researchers At Stony Brook University , Department Of Energy , Biosciences Division , Catalysis Science Program , Stony Brook University , Industry Focus , Basic Energy , Air Force Office , Scientific Research , Basic Energy Sciences ,