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Enhancing Light–Matter Interactions in MoS ₂ by Copper Intercalation

https://doi.org/10.1002/adma.202008779

Stern, Chen; Twitto, Avraham; Snitkoff, Rifael_Z; Fleger, Yafit; Saha, Sabyasachi; Boddapati, Loukya; Jain, Akash; Wang, Mengjing; Koski, Kristie_J; Deepak, Francis_Leonard; et al (May 2021, Advanced Materials)

Abstract The intercalation of layered compounds opens up a vast space of new host–guest hybrids, providing new routes for tuning the properties of materials. Here, it is shown that uniform and continuous layers of copper can be intercalated within the van der Waals gap of bulk MoS₂resulting in a unique Cu–MoS₂hybrid. The new Cu–MoS₂hybrid, which remains semiconducting, possesses a unique plasmon resonance at an energy of ≈1eV, giving rise to enhanced optoelectronic activity. Compared with high‐performance MoS₂photodetectors, copper‐enhanced devices are superior in their spectral response, which extends into the infrared, and also in their total responsivity, which exceeds 10⁴A W⁻¹. The Cu–MoS₂hybrids hold promise for supplanting current night‐vision technology with compact, advanced multicolor night vision.
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Optoelectronics of Atomic Metal–Semiconductor Interfaces in Tin-Intercalated MoS₂

https://doi.org/10.1021/acsnano.2c07347

Twitto, Avraham; Stern, Chen; Poplinger, Michal; Perelshtein, Ilana; Saha, Sabyasachi; Jain, Akash; Koski, Kristie J.; Deepak, Francis Leonard; Ramasubramaniam, Ashwin; Naveh, Doron (October 2022, ACS Nano)

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Stabilization of Three-Particle Excitations in Monolayer MoS ₂ by Fluorinated Methacrylate Polymers

https://doi.org/10.1021/acs.jpclett.2c01150

Hight-Huf, Nicholas; Pagaduan, James Nicolas; Katsumata, Reika; Emrick, Todd; Barnes, Michael D. (June 2022, The Journal of Physical Chemistry Letters)

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Polarization-Driven Asymmetric Electronic Response of Monolayer Graphene to Polymer Zwitterions Probed from Both Sides

https://doi.org/10.1021/acsami.1c13505

Hight-Huf, Nicholas; Nagar, Yehiel; Levi, Adi; Pagaduan, James Nicolas; Datar, Avdhoot; Katsumata, Reika; Emrick, Todd; Ramasubramaniam, Ashwin; Naveh, Doron; Barnes, Michael D. (October 2021, ACS Applied Materials & Interfaces)

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Electronic Tuning of Monolayer Graphene with Polymeric “Zwitterists”

https://doi.org/10.1021/acsnano.0c08624

Pagaduan, James Nicolas; Hight-Huf, Nicholas; Datar, Avdhoot; Nagar, Yehiel; Barnes, Michael; Naveh, Doron; Ramasubramaniam, Ashwin; Katsumata, Reika; Emrick, Todd (February 2021, ACS Nano)
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Bidirectional Electronic Tuning of Single-Layer MoS2 with Conjugated Organochalcogens

https://doi.org/https://doi.org/10.1021/acs.jpcc.8b10826

Wang, Peijian; Selhorst, Ryan; Emrick, Todd; Ramasubramaniam, Ashwin; Barnes, Michael D. (December 2018, Journal of physical chemistry. C)

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