Abstract

The layered compound CdPS3 has been exfoliated to form a suspension by ion exchange and washing in distilled water. The X-ray diffraction patterns of the suspension show that the material is two-dimensional, indicating the formation of single molecular layers of Cd0.8PS3. The 3.5 eV optical band-gap absorption and the refractive index of bulk CdPS3 have been measured. The measured absorption of single layers of Cd0.8PS3 in water suspension indicates that there is no significant change in electronic structure for the single layers. Single layers of Cd0.8PS3 have been restacked with different included molecules, opening up another approach for the synthesis of new layered nanocomposites.

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