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Herein, we propose a stepwise cyanation strategy to modify quinoxaline\u2010based polymeric semiconductors to mitigate this dilemma. Benefiting from the strong electron\u2010withdrawing ability of cyano substituents, QxCN\u2010CNTVT functionalized with cyano groups on both donor and acceptor units exhibits a deep LUMO level of \u22124.23\u00a0eV, one of the deepest among reported\n                    <jats:italic>n<\/jats:italic>\n                    \u2010type ionic\u2013electronic conductors. As a result, OECTs based on QxCN\u2010CNTVT demonstrate excellent comprehensive performance, with a high\n                    <jats:italic>\u00b5C*<\/jats:italic>\n                    value of up to 168.89 F cm\n                    <jats:sup>\u22121<\/jats:sup>\n                    V\n                    <jats:sup>\u22121<\/jats:sup>\n                    s\n                    <jats:sup>\u22121<\/jats:sup>\n                    and a low\n                    <jats:italic>V<\/jats:italic>\n                    <jats:sub>th<\/jats:sub>\n                    of 0.13\u00a0V, while maintaining superior operational stability (retaining \u223c80% of the initial current after 10,000 s of continuous operation and 10,000 full switching cycles). Furthermore, QxCN\u2010CNTVT is successfully applied to complementary inverters for efficient amplification of electrooculogram (EOG) and electrocardiogram (ECG) signals, as well as NAND and NOR logic gates for integrated logic functions. This work not only alleviates the widely observed imbalance between performance and\n                    <jats:italic>V<\/jats:italic>\n                    <jats:sub>th<\/jats:sub>\n                    in\n                    <jats:italic>n<\/jats:italic>\n                    \u2010type OECTs but also provides a versatile molecular design strategy for next\u2010generation low\u2010power bioelectronic devices.\n                  <\/jats:p>","DOI":"10.1002\/adma.75397","type":"journal-article","created":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T08:51:07Z","timestamp":1792054267000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["High\u2010Performance Low Threshold Voltage\n                    <i>n<\/i>\n                    \u2010Type OECTs via a Stepwise Cyanation of Quinoxaline\u2010Based Polymeric Semiconductor"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-0324-765X","authenticated-orcid":false,"given":"Songlin","family":"Mo","sequence":"first","affiliation":[{"name":"School of Chemical Science and Technology Yunnan University  Kunming China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guohong","family":"Hu","sequence":"additional","affiliation":[{"name":"School of Automation Engineering University of Electronic Science and Technology of China (UESTC)  Chengdu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chao","family":"Deng","sequence":"additional","affiliation":[{"name":"School of Chemical Science and Technology Yunnan University  Kunming China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yue","family":"Wan","sequence":"additional","affiliation":[{"name":"School of Automation Engineering University of Electronic Science and Technology of China (UESTC)  Chengdu 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