Santosh Kumar

Hybrid multilayer surface plasmon resonance sensor based on tantalum pentoxide and silver gallium sulfide for ultra-trace detection of lead (II) ions in environmental samples

pollution of water by lead ions (Pb 2 + ) presents a serious health risk and requires sensitive detection of Pb2 + ions based on refractive-index (RI) variations. Hence, the detection of this Pb 2+ ion has been done by employing a surface plasmon resonance (SPR) sensor with a six...

Graphene Photodetectors Toward Practical Technologies for Biosensing: Mechanisms, Architectures, Applications, and Integration Challenges

Graphene, with its 2D structure, zero bandgap, high carrier mobility, and broadband absorption, is an ideal platform for next-generation photodetectors with substantial promise for biosensing applications. This review summarizes recent progress in graphene photodetectors along th...