{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T04:47:40Z","timestamp":1790138860622,"version":"4.0.1"},"reference-count":41,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2022,3,18]],"date-time":"2022-03-18T00:00:00Z","timestamp":1647561600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Morphologically tunable copper oxide-based nanomaterials on Cu wire have been synthesized through a one-step alkali-assisted surface oxidation process for non-enzymatic glucose sensing. Subsequently, copper oxide-based nanomaterials on Cu wire as a supporting matrix to deposit manganese oxide for the construction of heterostructured Mn-Cu bimetallic oxide architectures through spontaneous redox reaction in the KMnO4 solution for supercapacitors. Field emission scanning electron microscopy (FESEM), field emission transmission electron microscopy (FETEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) confirmed that morphological and phase transformation from Cu(OH)2 to CuO occurred in copper oxide-based nanomaterials on Cu wire with different degrees of growth reaction. In non-enzymatic glucose sensing, morphologically tunable copper oxide-based nanomaterials owned the high tunability of electrocatalytically active sites and intrinsic catalytic activity to meet efficient glucose electrooxidation for obtaining promoted non-enzymatic glucose sensing performances (sensitivity of 2331 \u03bcA mM\u22121 cm\u22122 and the limit of detection of 0.02 mM). In the supercapacitor, heterostructured Mn\u2013Cu bimetallic oxide-based nanomaterials delivered abundant redox-active sites and continuous conductive network to optimize the synergistic effect of Mn and Cu redox species for boosting the pseudo-capacitance performance (areal capacitance value of 79.4 mF cm\u22122 at 0.2 mA cm\u22122 current density and capacitance retention of 74.9% after 1000 cycles). It concluded that morphologically tunable copper oxide-based nanomaterials on Cu wire with\/without deposition of manganese oxide could be good candidates for the future design of synergistic multifunctional materials in electrochemical techniques.<\/jats:p>","DOI":"10.3390\/ijms23063299","type":"journal-article","created":{"date-parts":[[2022,3,20]],"date-time":"2022-03-20T21:30:14Z","timestamp":1647811814000},"page":"3299","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["Constructing Morphologically Tunable Copper Oxide-Based Nanomaterials on Cu Wire with\/without the Deposition of Manganese Oxide as Bifunctional Materials for Glucose Sensing and Supercapacitors"],"prefix":"10.3390","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3457-6975","authenticated-orcid":false,"given":"Han-Wei","family":"Chang","sequence":"first","affiliation":[{"name":"Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan"},{"name":"Pesticide Analysis Center, National United University, Miaoli 360302, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Song-Chi","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pei-Wei","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feng-Jiin","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering, National United University, Miaoli 360302, Taiwan"},{"name":"Pesticide Analysis Center, National United University, Miaoli 360302, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu-Chen","family":"Tsai","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering, National Chung Hsing University, Taichung 402202, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,3,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1072","DOI":"10.1016\/S0140-6736(18)31992-5","article-title":"NCD Countdown 2030: Worldwide trends in non-communicable disease mortality and progress towards Sustainable Development Goal target 3.4","volume":"392","author":"Bennett","year":"2018","journal-title":"Lancet"},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Maamri, A., and El Mostafa, S.B. 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