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Micorstructural and H2S sensitivity of CdS thin film synthesized by chemical bath deposition (CBD) and influence of cobalt are discussed in the present work. X-ray diffraction (XRD) shows cubic structure with an average particle size of ~12.5nm for CdS and ~15.2nm for 5% CO:CdS. Selected area electron diffraction (SAED) pattern confirms the cubic structure and TEM shows an average particle size of...
Non-covalently functionalized SWNTs with iron tetraphenyl porphyrin (FeTPP) were employed for detection of benzene in a sensing window of 125ppm at room temperature. Formation of the SWNTFeTPP complex was confirmed by morphological, electrical and field effect studies that revealed an electron donating nature of porphyrin. The SWNTFeTPP sensor showed an average sensitivity of 62% and excellent...
Data reporting strategy in heterogeneous wireless sensor networks can be differentiated based on task-specific requirements. In this paper, we propose a novel two-phase data reporting (TDR) scheme that supports class-based QoS to sensor nodes in different priority classes. In the first phase, time slots are divided into separate data reporting round defined for each class, while in the second phase,...
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