Article(id=1297161243731714707, tenantId=1146029695717560320, journalId=1296125381406982186, issueId=1297161216049308076, articleNumber=null, orderNo=null, doi=10.13550/j.jxhg.20250285, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1745251200000, receivedDateStr=2025-04-22, revisedDate=null, revisedDateStr=null, acceptedDate=1747929600000, acceptedDateStr=2025-05-23, onlineDate=1787196940595, onlineDateStr=2026-08-20, pubDate=1778774400000, pubDateStr=2026-05-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1787196940595, onlineIssueDateStr=2026-08-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1787196940595, creator=13701087609, updateTime=1787196940595, updator=13701087609, issue=Issue{id=1297161216049308076, tenantId=1146029695717560320, journalId=1296125381406982186, year='2026', volume='43', issue='5', pageStart='929', pageEnd='1184', issueExtLink='null', onlineDate='null', pubDate='1778774400000', pubDateStr='2026-05-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1787196933996, creator='13701087609', updateTime=1787202244949, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1297183491922354645, tenantId=1146029695717560320, journalId=1296125381406982186, issueId=1297161216049308076, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1297183491922354646, tenantId=1146029695717560320, journalId=1296125381406982186, issueId=1297161216049308076, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1037, endPage=1046, ext={EN=ArticleExt(id=1297161244008538772, articleId=1297161243731714707, tenantId=1146029695717560320, journalId=1296125381406982186, language=EN, title=Conjugation and symmetry tuning in perylene diimide polymers for enhanced photocatalytic H₂O₂ production, columnId=null, journalTitle=Fine Chemicals, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To enhance the charge separation and transport efficiency of perylene diimide (PDI)-based organic polymer photocatalysts, three PDI-dominated polymeric photocatalysts (PDI-1, 5NDA, PDI-1, 4NDA and PDI-PDA) were synthesized via a facile polymerization method using 1,5-diaminonaphthalene, 1,4-diaminonaphthalene and p-phenylenediamine as linkers, respectively. The three PDI materials were characterized by FTIR, ¹³CNMR, XRD, XPS, UV-Vis, and photoluminescence spectrometer, evaluated for their photonic quantum efficiency, charge transfer resistance, and separation/transport efficiency of photogenerated carriers through photoelectrochemical experiments, and analyzed for their photocatalytic performance for H₂O₂ production in isopropanol aqueous solution under visible light. The results revealed that PDI-1, 5NDA and PDI-1, 4NDA crystallized in monoclinic systems but exhibited distinct unit cell parameters, while PDI-PDA adopted a triclinic crystal structure. All three materials demonstrated two-dimensional layered architectures and full-spectrum absorption within the visible light region, with PDI-1, 5NDA and PDI-1, 4NDA showing prominent absorption between 600~800 nm. PDI-PDA, PDI-1, 4NDA, and PDI-1, 5NDA were all typical n-type semiconductors, exhibiting photocurrent intensities of 3.0×10⁻⁷, 6.0×10⁻⁷ and 1.2×10⁻⁶ A, respectively, and corresponding photoelectrochemical impedances of 1.21×10⁶, 6.22×10⁵ and 4.23×10⁵ Ω, respectively, with PDI-1, 5NDA displaying the highest photogenerated charge carrier transport and separation efficiency. Under visible light irradiation, PDI-1, 5NDA achieved an exceptional H₂O₂ production rate of 113.485 μmol/(g·h), which was 1.3-fold and 2.2-fold those of PDI-1, 4NDA and PDI-PDA, respectively. This enhanced photocatalytic performance was attributed to the synergistic advantages of PDI-1, 5NDA's asymmetric structural features and extended π-conjugated system, which promoted the separation and transport of photogenerated carriers, thereby boosting H₂O₂ generation efficiency.

, authors=Meiwanqin ZHOU^{1, 2}, Yukun YAN², Jinsong ZHANG^{2, *}, authorsList=Meiwanqin ZHOU, Yukun YAN, Jinsong ZHANG, authorCompany=null, correspAuthors=Jinsong ZHANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1297161244339888789, articleId=1297161243731714707, tenantId=1146029695717560320, journalId=1296125381406982186, language=CN, title=共轭/对称调控聚苝酰亚胺催化剂制备及光催化制H₂O₂性能, columnId=1297161221933913088, journalTitle=精细化工, columnName=功能材料, runingTitle=null, highlight=null, articleAbstract=

为提高苝酰亚胺（PDI）类聚合物光催化剂的电荷分离与传输效率，以1,5-二氨基萘、1,4-二氨基萘和对苯二胺分别为连接基团，采用简单聚合法构建了以PDI为主要结构的3种聚合物光催化剂（PDI-1，5NDA、PDI-1，4NDA和PDI-PDA）。采用FTIR、¹³CNMR、XRD、XPS、UV-Vis、荧光光谱仪对其进行了表征，通过光电学实验，测试了其光量子效率、电荷转移电阻和光生载流子的分离和传输效率。将3种聚合物光催化剂用于光催化异丙醇水溶液制H₂O₂反应，考察了其催化性能。结果表明，PDI-1，5NDA和PDI-1，4NDA均属于单斜晶系，表现出明显的晶胞参数差异。PDI-PDA的晶体结构属于三斜晶系；PDI-1，5NDA、PDI-1，4NDA和PDI-PDA均为二维层状结构，均能在可见光区域实现全光谱吸收，其在600~800 nm表现出显著的光吸收；PDI-PDA、PDI-1，4PDA和PDI-1，5PDA均为典型的n型半导体，其光电流强度分别为3.0×10⁻⁷、6.0×10⁻⁷和1.2×10⁻⁶ A，光阻抗分别为1.21×10⁶、6.22×10⁵和4.23×10⁵ Ω，其中，PDI-1，5NDA具有最高的光生载流子传输与分离效率。PDI-1，5NDA在可见光照射下表现出优异的光催化产H₂O₂活性，H₂O₂的产率达到113.485 μmol/(g·h)，分别是PDI-1，4NDA和PDI-PDA的1.3倍和2.2倍。PDI-1，5NDA的不对称结构和大π共轭体系具有协同优势，促进了光生载流子的分离和传输过程，从而提高了H₂O₂的生成效率。

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周梅琬秦（1997—），女，硕士生，E-mail: mwqzhou@qq.com。

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周梅琬秦（1997—），女，硕士生，E-mail: mwqzhou@qq.com。

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