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Specifically, by evaporating an H\n                    <jats:sub>2<\/jats:sub>\n                    O barrier between the n-type MoS\n                    <jats:sub>2<\/jats:sub>\n                    and the Au substrate, we induce a grounding effect on electrons. Dominantly populating excitons are then funneled and bound to the nanohole through the strain-induced zero-dimensional quantum well effect. We confirm the exciton confinement efficiency of ~98% using a drift-diffusion model, enabling bright X\n                    <jats:sub>L<\/jats:sub>\n                    emission at the nanoscale. Using tip-induced gigapascal-scale pressure, we control X\n                    <jats:sub>L<\/jats:sub>\n                    dynamics and QY in a reversible manner. Our approach provides an innovative strategy for X\n                    <jats:sub>L<\/jats:sub>\n                    -based nanophotonic devices.\n                  <\/jats:p>","DOI":"10.1126\/sciadv.ady2186","type":"journal-article","created":{"date-parts":[[2026,3,13]],"date-time":"2026-03-13T17:58:33Z","timestamp":1773424713000},"update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark","source":"Crossref","is-referenced-by-count":2,"title":["Highly radiative emission of room temperature\u2013localized excitons enabled by charge-neutralized 0D quantum wells in 2D semiconductors"],"prefix":"10.1126","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-8812-7578","authenticated-orcid":true,"given":"Taeyoung","family":"Moon","sequence":"first","affiliation":[{"name":"Department of Physics, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea."},{"name":"Center for Multidimensional Carbon Materials (CMCM), Institute for Basic Science 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