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Herein, we develop a rapid and scalable microfluidic printing strategy that enables dynamic splitting and directional construction of conductive metal\u2010organic framework (cMOF). Within the confined microfluidic channel, the shear forces induced by laminar flow play a dominant role in effectively suppressing interlayer interactions along the vertical direction, while simultaneously promoting 2D in\u2010plane crystallization. Consequently, cMOF with preferentially exposed (001) planes are formed within only several minutes. Compared with the conventional perpendicular rod\u2010like ST\u2010cMOF, microfluidic\u2010processed MF\u2010cMOF\n                    <jats:sub>Qx\/ty<\/jats:sub>\n                    series exhibit ripple\u2010like ultrathin lamellar with the substantially reduced thickness of 11\u20132\u00a0nm. Such ultra\u2010thin features dramatically increase the density of accessible active sites, enhancing reactivity toward CO\n                    <jats:sub>2<\/jats:sub>\n                    RR. Besides, benefiting from the continuous flow and high throughput, the optimized MF\u2010cMOF\n                    <jats:sub>Q1.28\/t5<\/jats:sub>\n                    achieves a remarkable yield of 0.29\u00a0g h\n                    <jats:sup>\u22121<\/jats:sup>\n                    and an ultrahigh space\u2010time yield of 502\u00a0kg m\n                    <jats:sup>\u22123<\/jats:sup>\n                    day\n                    <jats:sup>\u22121<\/jats:sup>\n                    , representing 282\u2010fold enhancement over conventional synthesis. Moreover, MF\u2010cMOF\n                    <jats:sub>Q1.28\/t5<\/jats:sub>\n                    delivers CH\n                    <jats:sub>4<\/jats:sub>\n                    FE of 79.6 % at \u22121.2\u00a0V vs. RHE, outperforming a 1.8\u2010fold improvement of ST\u2010cMOF. This work establishes microfluidic printing as an effective strategy for structurally defined MOF and highlights the potential for sustainable and industrially scalable CO\n                    <jats:sub>2<\/jats:sub>\n                    electroreduction.\n                  <\/jats:p>","DOI":"10.1002\/smll.202600018","type":"journal-article","created":{"date-parts":[[2026,2,15]],"date-time":"2026-02-15T17:36:21Z","timestamp":1771176981000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Microfluidic Printing\u2010Induced Dynamic Splitting of Conductive MOF to Expose High\u2010Density Active Sites for Boosted CO\n                    <sub>2<\/sub>\n                    Electroreduction"],"prefix":"10.1002","volume":"22","author":[{"given":"Jiao\u2010Na","family":"Yue","sequence":"first","affiliation":[{"name":"Key Laboratory of Macromolecular Science of Shaanxi Province School of Chemistry and Chemical Engineering Shaanxi Normal University  Xi'an P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6199-6783","authenticated-orcid":false,"given":"Ying","family":"Wang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Macromolecular Science of Shaanxi Province School of Chemistry and Chemical Engineering Shaanxi Normal University  Xi'an P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jie","family":"Meng","sequence":"additional","affiliation":[{"name":"Key Laboratory of Macromolecular Science of Shaanxi Province School of Chemistry and Chemical Engineering Shaanxi Normal University  Xi'an P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Li\u2010Yang","family":"Shao","sequence":"additional","affiliation":[{"name":"Key Laboratory of Macromolecular Science of Shaanxi Province School of Chemistry and Chemical Engineering Shaanxi Normal University  Xi'an P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tian\u2010Shu","family":"He","sequence":"additional","affiliation":[{"name":"Key Laboratory of Macromolecular Science of Shaanxi Province School of Chemistry and Chemical Engineering Shaanxi Normal University  Xi'an P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bo\u2010Lin","family":"Sun","sequence":"additional","affiliation":[{"name":"Key Laboratory of Macromolecular Science of Shaanxi Province School of Chemistry and Chemical Engineering Shaanxi Normal University  Xi'an P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lin\u2010Xi","family":"Xie","sequence":"additional","affiliation":[{"name":"Key Laboratory of Macromolecular Science of Shaanxi Province School of Chemistry and Chemical Engineering Shaanxi Normal University  Xi'an P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Quan\u2010Guo","family":"Zhai","sequence":"additional","affiliation":[{"name":"Key Laboratory of Macromolecular Science of Shaanxi Province School of Chemistry and Chemical Engineering Shaanxi Normal University  Xi'an P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,2,15]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1039\/D3CY01305G"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.nanoen.2020.104796"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201507458"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jechem.2023.01.020"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemrev.8b00705"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joule.2023.05.002"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2022.214716"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cej.2022.139663"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/aenm.202303889"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsenergylett.0c01777"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202211478"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202302649"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.chempr.2023.02.016"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2022.214602"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201704303"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1038\/nature01650"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.nanoen.2019.03.024"},{"key":"e_1_2_7_19_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsami.8b02226"},{"key":"e_1_2_7_20_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201707568"},{"key":"e_1_2_7_21_1","doi-asserted-by":"publisher","DOI":"10.1039\/D0SC05889K"},{"key":"e_1_2_7_22_1","doi-asserted-by":"publisher","DOI":"10.1039\/b919647a"},{"key":"e_1_2_7_23_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpowsour.2022.232387"},{"key":"e_1_2_7_24_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsnano.0c10697"},{"key":"e_1_2_7_25_1","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.202210938"},{"key":"e_1_2_7_26_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.electacta.2019.01.157"},{"key":"e_1_2_7_27_1","doi-asserted-by":"publisher","DOI":"10.1002\/smtd.201600030"},{"key":"e_1_2_7_28_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2021.214340"},{"key":"e_1_2_7_29_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsnano.0c10697"},{"key":"e_1_2_7_30_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202005798"},{"key":"e_1_2_7_31_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.1c09508"},{"key":"e_1_2_7_32_1","doi-asserted-by":"publisher","DOI":"10.1021\/acscatal.1c00420"},{"key":"e_1_2_7_33_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41929-020-00504-x"},{"key":"e_1_2_7_34_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202015159"},{"key":"e_1_2_7_35_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jelechem.2019.113704"},{"key":"e_1_2_7_36_1","doi-asserted-by":"publisher","DOI":"10.1002\/advs.201902820"},{"key":"e_1_2_7_37_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202110607"},{"key":"e_1_2_7_38_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.6b06846"},{"key":"e_1_2_7_39_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcis.2025.138723"},{"key":"e_1_2_7_40_1","doi-asserted-by":"publisher","DOI":"10.1002\/aenm.202401202"},{"key":"e_1_2_7_41_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.mser.2025.101005"},{"key":"e_1_2_7_42_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemmater.8b00765"},{"key":"e_1_2_7_43_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.200390203"},{"key":"e_1_2_7_44_1","doi-asserted-by":"publisher","DOI":"10.1038\/s43586-023-00212-3"},{"key":"e_1_2_7_45_1","first-page":"1","article-title":"HIV silencing and cell survival signatures in infected T cell reservoir","author":"Clark I. 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