English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Zendy Plus

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Zendy Tools

Zendy Open

We quantitatively study the Raman and photoluminescence (PL) emission fromsingle layer molybdenum disulfide (MoS2) on dielectric (SiO2, hexagonal boronnitride, mica and the polymeric dielectric Gel-Film) and conducting substrates(Au and few-layer graphene). We find that the substrate can affect the Ramanand PL emission in a twofold manner. First, the absorption and emissionintensities are strongly modulated by the constructive/destructive interferencewithin the different substrates. Second, the position of the A1g Raman modepeak and the spectral weight between neutral and charged excitons in the PLspectra are modified by the substrate. We attribute this effect tosubstrate-induced changes in the doping level and in the decay rates of theexcitonic transitions. Our results provide a method to quantitatively study theRaman and PL emission from MoS2-based vertical heterostructures and representthe first step in ad-hoc tuning the PL emission of 1L MoS2 by selecting theproper substrate.

The effect of the substrate on the Raman and photoluminescence emission of single layer MoS2