Heterostructures from two-dimensional transition-metal dichalcogenides MX₂ have emerged as a hot topic in recent years due to their various fascinating properties. Here, we investigated the temperature dependent Raman and photoluminescence(PL) spectra in vertical stacked WS₂/MoS₂ monolayer heterostructures. Our result shows that both E_2g¹ and A_1g modes of WS₂ and MoS₂ vary linearly with temperature increasing...

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