{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T16:04:36Z","timestamp":1790006676783,"version":"4.0.1"},"reference-count":43,"publisher":"Wiley","issue":"53","license":[{"start":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T00:00:00Z","timestamp":1785283200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T00:00:00Z","timestamp":1785283200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22575229"],"award-info":[{"award-number":["22575229"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Hierarchical homostructured core\u2010shell architectures (HHCS) integrate the advantages of maintaining high energy density and enhancing interfacial stability. However, their rational design and controllable construction remain significantly challenging. Herein, we propose a self\u2010limiting surface pseudomorphic replacement strategy mediated by localized solvation regulation, enabling the precise construction of HHCS of \u03b5\u20102,4,6,8,10,12\u2010hexanitro\u20102,4,6,8,10,12\u2010hexaazaisowurtzitane (\u03b5\u2010CL\u201020). Specifically, a \u03b3\u2010butyrolactone (\u03b3\u2010BL)\/H\n                    <jats:sub>2<\/jats:sub>\n                    O mixed solvent system induces a selective surface dissolution\u2014recrystallization process on \u03b5\u2010CL\u201020 crystals, forming a stable CL\u201020\u2219\u03b3\u2010BL solvate (S\n                    <jats:sub>\u03b3\u2010BL<\/jats:sub>\n                    ) layer. This layer undergoes interfacially induced nucleation on the crystal surface and exhibits self\u2010limiting growth while preserving the morphology of the parent crystal, thereby enabling a morphology\u2010preserving pseudomorphic replacement process. Upon thermal treatment, solvent removal and solid\u2010state rearrangement facilitate the conversion of the outer solvate shell into the CL\u201020 phase, yielding a homogeneous shell with hierarchical nanoporous features. The resulting HHCS of CL\u201020 exhibits a remarkable enhancement in safety performance: its impact sensitivity value increases from 2.5 to 12 J, while the packing density decreases by only 4.85%. Importantly, the core\u2010shell structure consists solely of \u03b5\u2010CL\u201020, with no heterogeneous materials. This work presents an interfacial\u2010engineering strategy that provides new theoretical and methodological insights for the safety\u2010oriented design and structural regulation of high\u2010energy molecular crystals.\n                  <\/jats:p>","DOI":"10.1002\/smll.74738","type":"journal-article","created":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T10:34:22Z","timestamp":1785321262000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Pseudomorphic Replacement Driven Construction of Hierarchical Homostructured CL\u201020 Core\u2010Shell Architectures for Safety Improvement"],"prefix":"10.1002","volume":"22","author":[{"given":"Yujie","family":"Song","sequence":"first","affiliation":[{"name":"National Key Laboratory of Chemical Explosion Safety Institute of Chemical Materials China Academy of Engineering Physics  Mianyang 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