{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,4]],"date-time":"2026-11-04T23:26:39Z","timestamp":1793834799190,"version":"4.6.1"},"reference-count":54,"publisher":"American Chemical Society (ACS)","issue":"43","license":[{"start":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T00:00:00Z","timestamp":1792540800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T00:00:00Z","timestamp":1792540800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T00:00:00Z","timestamp":1792540800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-045"}],"funder":[{"DOI":"10.13039\/501100001843","name":"Anusandhan National Research Foundation","doi-asserted-by":"publisher","award":["ANRF\/JBG\/2025\/000034\/CS"],"award-info":[{"award-number":["ANRF\/JBG\/2025\/000034\/CS"]}],"id":[{"id":"10.13039\/501100001843","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100008628","name":"Ministry of Electronics and Information technology","doi-asserted-by":"publisher","award":["5(1)\/2022-NANO"],"award-info":[{"award-number":["5(1)\/2022-NANO"]}],"id":[{"id":"10.13039\/501100008628","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,11,4]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>In the quest for surface-enhanced Raman spectroscopy (SERS) substrates without noble metals, transition-metal dichalcogenides (TMDs) have emerged as an important class of alternatives. In this regard, molybdenum disulfide (MoS2)-based SERS substrates have been extensively studied; however, their moir\u00e9 superlattices (with controlled twist angles) could be potent candidates for significant signal enhancement. Here, we employed a molecular functionalization method using 4-aminothiophenol (4-ATP) as a linker to tune the twist angles of MoS2 moir\u00e9 superlattices. Transmission electron microscopy (TEM) and Raman spectroscopy experiments confirmed the formation of moir\u00e9 patterns in 4-ATP functionalized MoS2 (4ATP-MoS2), with reduced twist angles in contrast to pristine MoS2 superlattices. Furthermore, we used 4ATP-MoS2 moir\u00e9 superlattices as SERS substrates to probe molecules, such as rhodamine 6G, rhodamine B, methylene blue, and crystal violet. We observed significant enhancement of Raman signal intensity (on the order of 105) for all the molecules. Interestingly, pristine MoS2 did not show any significant enhancements of the SERS signals. We attribute the enhancement to the moir\u00e9 interface-induced charge transfer from MoS2 to the probe molecules through 4-ATP, thereby increasing the Raman signals. This strategy could open possibilities to design moir\u00e9 superlattices for improved SERS substrates and light\u2013matter interactions.<\/jats:p>","DOI":"10.1021\/acsami.6c13436","type":"journal-article","created":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T16:02:16Z","timestamp":1792598536000},"page":"59671-59681","source":"Crossref","is-referenced-by-count":0,"title":["Molecular Functionalization Tunes Twist Angles of MoS2 Moir\u00e9 Superlattices for Surface-Enhanced Raman Scattering"],"prefix":"10.1021","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-4814-3828","authenticated-orcid":true,"given":"Shamim Hossain","family":"Shah","sequence":"first","affiliation":[{"name":"Indian Institute of Technology Guwahati , , , ,","place":["Guwahati, Assam, India, 781039"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5095-6463","authenticated-orcid":true,"given":"Arun","family":"Chattopadhyay","sequence":"additional","affiliation":[{"name":"Indian Institute of Technology Guwahati , , , ,","place":["Guwahati, Assam, India, 781039"]},{"name":"Indian Institute of Technology Guwahati , , , ,","place":["Guwahati, Assam, India, 781039"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,10,21]]},"reference":[{"issue":"15","key":"2026110418071821500_cit1","doi-asserted-by":"publisher","first-page":"5725","DOI":"10.1021\/ACS.CHEMMATER.9B01698","article-title":"High-Yield Preparation of Exfoliated 1T-MoS2 with SERS Activity","volume":"31","author":"Er","year":"2019","journal-title":"Chem. 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