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Updated: Apr 17, 2026
Preparation of Large-area Vertical 2D Crystal Hetero-structures Through the Sulfurization of Transition Metal Films for Device Fabrication
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Structural and electronic modification of MoS₂ nanosheets using S-doped carbon for efficient electrocatalysis of the
Thangavel Naresh Kumar1, Naveen Chandrasekaran, Kanala Lakshminarasimha Phani
1Nanoscale Electrocatalysis Group, Electrodics & Electrocatalysis Division, CSIR-Central Electrochemical Research Institute, Karaikudi 630006, Tamil Nadu, India. kanalaphani@yahoo.com klnphani@cecri.res.in.
Abstract:
We discovered the in situ generation of S-doped carbon sandwiched between the MoS2 nano-sheets during pyrolysis of Mo(VI)-polydopamine (PDA) in the presence of elemental sulfur. This causes enrichment of MoS2 with more edge planes (2H → 1T), also resulting in enhanced charge density and electronic conductivity. The phase transformed MoS2[@S-C(PDA)] exhibits enhanced HER activity with η = 160 mV at a current density of 10 mA cm(-2).
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