1T-Phase Tungsten Chalcogenides (WS2, WSe2, WTe2) Decorated with TiO2 Nanoplatelets with Enhanced Electron Transfer Activity for Biosensing Applications Elham Rahmanian, Carmen C. Mayorga-Martinez, Rasoul Malekfar, Jan Luxa, Zdeněk Sofer, Martin Pumera* ACS Applied Nano Materials 2018, 1(12), 7006-7015