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The reaction conditions dovetail the effect of ethylene glycol (EG) and glucose to exclusively evolve the morphology tuned Cu2O nanomaterial at different pHs. The morphology tuning produces octahedron (Oh), dwarf hexapod (DHP), and elongated hexapod (EHP) Cu2O structures only with the optimized reagent concentrations. Interestingly, all of them were bestowed with a (111) facet, a superlative facet for facile nitroarene reduction. Thus, the morphology reliant catalytic reaction becomes evident. However, when used individually, EG and glucose evolve ill-defined CuO\/Cu2O and Cu2O structures, respectively. We have observed that a change in pH of the medium at the onset of the reaction is obligatory for the evolution of tailor-made morphologically diverse Cu2O nanoparticles. However, preformed Cu2O particles do not suffer further structure\/morphology changes under deliberate pH (6.0\u20139.0) change. With the as-obtained Oh, DHP, and EHP Cu2O structures, we further delve into the realm of catalysis to understand the splendor of the nanocatalyst, morphology and surface area dependence, facet selective reactivity, and other factors affecting the catalytic efficiency. The remarkable rate of catalysis of 4-nitrophenol (4-NP), evident from the catalyst activity parameter (ka = 123.6 g\u20131 s\u20131), to produce 4-aminophenol in the presence of a reducing agent like sodium borohydride (NaBH4) of the as-prepared catalysts is evidence of the collaborative effects of the effective surface area, surface positive charge, and active (111) facet of the Cu2O nanocatalyst. We have also studied the effect of other common anions, namely, Cl\u2013, NO2\u2013, NO3\u2013, CO32\u2013, and SO42\u2013 on the reduction process. To obtain a general consensus about facets, we compared (100) and (111) faceted Cu2O nanocatalysts not only for 4-NP reduction but also for the reduction of toxic chromium Cr(VI) in the presence of formic acid to further emphasize the importance of facet selectivity in catalysis and the versatility of the morphology tuned as-prepared Cu2O.<\/jats:p>","DOI":"10.1021\/acsomega.6b00447","type":"journal-article","created":{"date-parts":[[2017,5,10]],"date-time":"2017-05-10T15:12:45Z","timestamp":1494429165000},"page":"1968-1984","source":"Crossref","is-referenced-by-count":133,"title":["Remarkable Facet Selective Reduction of 4-Nitrophenol\nby Morphologically Tailored (111) Faceted Cu2O Nanocatalyst"],"prefix":"10.1021","volume":"2","author":[{"given":"Teresa","family":"Aditya","sequence":"first","affiliation":[{"name":"Indian Institute of Technology , , ,","place":["Kharagpur, India, 721302"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jayasmita","family":"Jana","sequence":"additional","affiliation":[{"name":"Indian Institute of Technology , , ,","place":["Kharagpur, India, 721302"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Navin Kumar","family":"Singh","sequence":"additional","affiliation":[{"name":"Indian Institute of Technology , , ,","place":["Kharagpur, India, 721302"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anjali","family":"Pal","sequence":"additional","affiliation":[{"name":"Indian Institute of Technology , , ,","place":["Kharagpur, India, 721302"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8708-2050","authenticated-orcid":true,"given":"Tarasankar","family":"Pal","sequence":"additional","affiliation":[{"name":"Indian Institute of Technology , , ,","place":["Kharagpur, India, 721302"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2017,5,10]]},"reference":[{"key":"2026090323100955500_cit1","article-title":"Transition-Metal\nNanoparticles in Catalysis: From Historical Background to the State-of-the\nArt","volume-title":"Nanoparticles and Catalysis","author":"Astruc","year":"2008"},{"key":"2026090323100955500_cit2","doi-asserted-by":"publisher","first-page":"957","DOI":"10.1002\/adfm.200400018","article-title":"Method for Preparation of Semiconductor\nQuantum-Rod Lasers in a Cylindrical Microcavity","volume":"14","author":"Kazes","year":"2004","journal-title":"Adv. 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