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马年首篇!南京大学黎建团队在《Science》发表新型沸石分子筛研究成果

  • 2026-03-28 07:28:43
马年首篇!南京大学黎建团队在《Science》发表新型沸石分子筛研究成果

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2026年2月20日，南京大学化学学院黎建特聘研究员，中国石化石油化工科学研究院林伟教授，南京工业大学徐乐教授为论文联合通讯作者在《Science》发表题为“A 36-ring zeolite with intrinsic cylindrical mesopores”的研究成果。南京大学为本文的第一完成单位。论文第一作者为南大化院2025级博士研究生孙嘉政（2024年9月加入黎建课题组从事科研助理）、2024级博士生田旭东。
本研究标志着稳定全结晶介孔沸石分子筛的设计与构筑迈入新阶段，为重质油高效转化和大分子精细化学品催化转化提供了全新材料平台。
值得注意的是，这是南京大学2026年第2篇《Science》正刊，也是黎建入职南大后第二篇Science。
沸石分子筛因其规则微孔结构和优异的热稳定性，在石油炼制和精细化工中发挥着不可替代的作用。然而，传统工业沸石分子筛多为12元环微孔结构，孔径通常小于0.75纳米，在处理多环芳烃、树脂及沥青质等大分子时面临严重扩散限制。尽管近年来已报道若干16元环、20元环甚至22元环的超大孔沸石分子筛，但仍处于微孔范围。另一方面，早期发展的MCM-41等介孔分子筛虽具大孔径，却因无定形骨架而热稳定性不足。如何在保持沸石晶态骨架稳定性的同时，实现规则、有序的本征介孔结构材料的构筑，长期以来被视为材料化学与催化领域的重要挑战。

近日，黎建研究员团队在前期开发的双金刚烷基磷结构导向剂的基础上（Li, J*, et al., Science, 2025, 388, 1417-1421），发展了双季磷盐结构导向剂，成功创制了目前已知孔口直径最大的36元环全结晶的介孔沸石分子筛NJU120-6，其自由孔径达25.71 Å × 19.12 Å，成功将晶态沸石分子筛由传统微孔推向了介孔范畴。NJU120-6具有高度开放的三维骨架，其骨架密度仅为9.39 Si/nm³，为已知四配位氧化物框架中最低的骨架密度，孔体积高达0.66 cm³/g，材料密度甚至低于水，在1173 K高温下保持结构稳定。利用团队自主搭建的微晶电子衍射（MicroED）平台（Sci. China Chem., 2024, 67, 4158–4166）对纳米级晶体实现原子分辨结构测定，成功解析了原子分辨结构。

图1 NJU120-6的孔道及拓扑结构

NJU120-6不仅可在较宽Si/Al范围内引入铝元素，形成Brønsted酸中心，还可通过一锅法将钛掺入骨架，实现氧化催化活性位点构筑。在重质油真空瓦斯油（VGO）催化裂解测试中（与中石化石科院林伟教授合作完成），铝掺杂的NJU120-6表现出高汽柴油选择性（约44.7%）、低气体副产物和近零积碳的优异性能，显著优于USY、Beta及Al-MCM-41等对比材料。其较弱而均匀的酸性配合超大有序介孔结构，有效抑制过度裂解和积碳生成，实现更优产物分布。在液相大分子环辛烯环氧化反应中（与南京工业大学徐乐教授合作完成），钛掺杂的Ti-NJU120-6在转化率和周转数方面同样优于Ti-Beta及含钛介孔材料，体现出超大有序孔道在大分子扩散与活化中的独特优势。

图2 NJU120-6的孔结构分析及催化性能评价

黎建简介
黎建，南京大学化学科学学院特聘研究员（tenure-track PI）、博士生导师。国家优秀青年基金（海外）获得者。先后获得2019年获得国际晶体学会(International Union of Crystallography, IUCr)颁发的青年科学家奖 (IUCr Young Scientists Award)，第四届中国化学会分子筛新秀奖（2023）、第二届中国晶体学会青年科技奖（2023）、中国化学会菁青化学新锐奖（2024）等。
2013年本科毕业于重庆大学，2018年获北京大学博士学位（导师：孙俊良教授、国家杰青，林建华教授、国家杰青、原北京大学校长），2018-2020年在瑞典斯德哥尔摩大学（合作导师：Xiaodong Zou 教授，瑞典皇家科学院和皇家工程院两院院士，诺贝尔奖化学委员会委员），2020-2022年在瑞典皇家理工学院（合作导师：Mahiar Hamedi教授）从事博士后研究。
目前主要致力于新型无机功能材料的开发，多孔功能材料、致密复合金属氧化物材料的结构确定与构效关系，电子晶体学在微纳晶体结构确定中的应用等相关研究。主持国家自然科学基金面上项目，JW科技委XXX工程项目, 江苏省自然科学基金青年项目，以第一或者共同通讯作者发表Science(共同通讯3篇)、Nature （1篇，共同通讯）Acc. Chem. Res.(1), J. Am. Chem. Soc.(7), Angew. Chem.(5), Nat. Commun.(4), Adv. Energy Mater.(1), ACS Nano (1)等

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  1. CONNECT:[ UseTime:0.000392s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000665s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000304s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000329s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000514s ]
  6. SELECT * FROM `set` [ RunTime:0.001042s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000618s ]
  8. SELECT * FROM `article` WHERE `id` = 489592 LIMIT 1 [ RunTime:0.001718s ]
  9. UPDATE `article` SET `lasttime` = 1775347573 WHERE `id` = 489592 [ RunTime:0.000526s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000344s ]
  11. SELECT * FROM `article` WHERE `id` < 489592 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.003660s ]
  12. SELECT * FROM `article` WHERE `id` > 489592 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001027s ]
  13. SELECT * FROM `article` WHERE `id` < 489592 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001757s ]
  14. SELECT * FROM `article` WHERE `id` < 489592 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.005950s ]
  15. SELECT * FROM `article` WHERE `id` < 489592 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000820s ]
0.087108s