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By using 1,3,5\u2010tris(4\u2010aminophenyl)\u2010benzene and azulene\u20101,3\u2010dicarbaldehyde as the starting materials, an azulene(Azu)\u2010based 2D conjugated covalent organic framework, COF\u2010Azu, is prepared through liquid\u2010liquid interface polymerization strategy for the first time. The as\u2010fabricated Al\/COF\u2010Azu\/indium tin oxide (ITO) memristor shows typical non\u2010volatile resistive switching performance due to the electric filed induced intramolecular charge transfer effect. Associated with the unique memristive performance, a simple convolutional neural network is built for image recognition. After 8 epochs of training, image recognition accuracy of 80\u2009% for a neutral network trained on a larger data set is achieved.\n                  <\/jats:p>","DOI":"10.1002\/anie.202217249","type":"journal-article","created":{"date-parts":[[2022,12,12]],"date-time":"2022-12-12T22:52:25Z","timestamp":1670885545000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":73,"title":["Redox\u2010Active Azulene\u2010based 2D Conjugated Covalent Organic Framework for Organic Memristors"],"prefix":"10.1002","volume":"62","author":[{"given":"Zhizheng","family":"Zhao","sequence":"first","affiliation":[{"name":"Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center School of Chemistry and Molecular Engineering East China University of Science and Technology  130 Meilong Road Shanghai 200237 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohamed E.","family":"El\u2010Khouly","sequence":"additional","affiliation":[{"name":"Institute of Basic and Applied Sciences Egypt-Japan University of Science and Technology (E-JUST)  Alexandria 21934 Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiang","family":"Che","sequence":"additional","affiliation":[{"name":"Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center School of Chemistry and Molecular Engineering East China University of Science and Technology  130 Meilong Road Shanghai 200237 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fangcheng","family":"Sun","sequence":"additional","affiliation":[{"name":"Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center School of Chemistry and Molecular Engineering East China University of Science and Technology  130 Meilong Road Shanghai 200237 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bin","family":"Zhang","sequence":"additional","affiliation":[{"name":"Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center School of Chemistry and Molecular Engineering East China University of Science and Technology  130 Meilong Road Shanghai 200237 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haidong","family":"He","sequence":"additional","affiliation":[{"name":"Minhang Hospital Fudan University  170 Xinsong Road Shanghai 201199 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7316-8029","authenticated-orcid":false,"given":"Yu","family":"Chen","sequence":"additional","affiliation":[{"name":"Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research Center School of Chemistry and Molecular Engineering East China University of Science and Technology  130 Meilong Road Shanghai 200237 China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,1,10]]},"reference":[{"key":"e_1_2_3_1_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.isci.2021.102526"},{"key":"e_1_2_3_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201505004"},{"key":"e_1_2_3_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cej.2021.132162"},{"key":"e_1_2_3_4_1","doi-asserted-by":"publisher","DOI":"10.1039\/D0CS01569E"},{"key":"e_1_2_3_5_1","doi-asserted-by":"publisher","DOI":"10.1039\/D0CS00017E"},{"key":"e_1_2_3_6_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsami.0c12317"},{"key":"e_1_2_3_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201710502"},{"key":"e_1_2_3_7_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201710502"},{"key":"e_1_2_3_8_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.7b01631"},{"key":"e_1_2_3_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201902543"},{"key":"e_1_2_3_9_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201902543"},{"key":"e_1_2_3_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201605559"},{"key":"e_1_2_3_10_2","doi-asserted-by":"publisher","DOI":"10.1002\/ange.201605559"},{"key":"e_1_2_3_11_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.accounts.0c00893"},{"key":"e_1_2_3_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/smtd.202000628"},{"key":"e_1_2_3_13_1","doi-asserted-by":"crossref","unstructured":"G.\u2005R. 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