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The chemical vapor transport method was used in this research to synthesize MoS2 bulk. Through mechanical exfoliation, we limited the thickness of MoS2 flakes from 1 to 3 ÎĽ m. In order to fabricate a pâ€"n homogeneous junction, we used oxygen plasma treatment to transform the MoS2 characteristics from n-type to p-type to fabricate a pâ€"n homogenous junction and demonstrate the charge neutrality point shift from âˆ'80 to +102 V successfully using FET measurement. The MoS2 pâ€"n homogeneous junction diode showed an excellent p-n characteristic curve during the measurements and performed great rectifying behavior with 1â€"10 Vpp in the half-wave rectification experiment. This work demonstrated that MoS2 flake had great potential for p-n diodes that feature significant pâ€"n characteristics and rectifying behavior. [ABSTRACT FROM AUTHOR]

Detection of QRS serves as a first step in many automated ECG analysis techniques. Motivated by the strong similarities between the signal structures of an ECG signal and the integrated linear prediction residual (ILPR) of voiced speech, an algorithm proposed earlier for epoch detection from ILPR is extended to the problem of QRS detection. The ECG signal is pre-processed by high-pass filtering to remove the baseline wandering and by half-wave rectification to reduce the ambiguities. The initial estimates of the QRS are iteratively obtained using a non-linear temporal feature, named the dynamic plosion index suitable for detection of transients in a signal. These estimates are further refined to obtain a higher temporal accuracy. Unlike most of the high performance algorithms, this technique does not make use of any threshold or differencing operation. The proposed algorithm is validated on the MIT-BIH database using the standard metrics and its performance is found to be comparable to the state-of-the-art algorithms, despite its threshold independence and simple decision logic. [ABSTRACT FROM AUTHOR]

Highlights: [•] Half-rectified square wave is first applied as potential for photoelectrocatalysis. [•] HR-SW is much more efficient in PEC degradation of rhodamine B than direct current. [•] HR-SW may enhance RhB adsorption and TiO2 exciton dissociation alternately. [•] HR-SW of 3V, 50Hz and 50% duty ratio is optimal for RhB PEC degradation. [ABSTRACT FROM AUTHOR]