{"title":"基于ZIF-8挥发性硬模板的高效电化学传感层次化多孔生物炭用于痕量Ponceau 4R的测定","authors":"Qi Yu, Jing Zhou, Wenhai Wang, Rumin Fu, Wentao Yan, Hui Chen, Yansha Gao, Guorong Fan, Linyu Wang, Zongde Wang, Limin Lu","doi":"10.1007/s00604-025-06960-1","DOIUrl":null,"url":null,"abstract":"<div><p>A convenient method is proposed using a heat-treatable volatile template to prepare hierarchical porous biochar (HPB). <i>Litsea cubeba</i> leaves and ZIF-8 served as carbon source and volatile hard template, respectively. The good compatibility between ZIF-8 and biomass facilitated their uniform dispersion, and the thermal decomposition of ZIF-8 created abundant pores in the HPB. By using ZIF-8 with different sizes as “modulators”, the textural properties of HPB can be controlled. The HPB derived from 200 nm-sized ZIF-8 exhibited ultra-high specific surface area, rich macro-meso-micro porous structure, and excellent electrocatalytic activity, which makes HPB-200 an effective electrochemical sensing platform. The sensor demonstrated an ultralow detection limit (0.2 nM) of Ponceau 4R, showing significant application potential in the field of electroanalytical sensing.</p><h3>Graphical Abstract</h3>\n<div><figure><div><div><picture><source><img></source></picture></div><div><p>Schematic illustration of a convenient method using a heat-treatable volatile template to prepare hierarchical porous biochar (HPB)</p></div></div></figure></div></div>","PeriodicalId":705,"journal":{"name":"Microchimica Acta","volume":"192 2","pages":""},"PeriodicalIF":5.3000,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A novel hierarchical porous biochar based on ZIF-8 volatile hard template with high-efficiency electrochemical sensing performance for trace determination of Ponceau 4R\",\"authors\":\"Qi Yu, Jing Zhou, Wenhai Wang, Rumin Fu, Wentao Yan, Hui Chen, Yansha Gao, Guorong Fan, Linyu Wang, Zongde Wang, Limin Lu\",\"doi\":\"10.1007/s00604-025-06960-1\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>A convenient method is proposed using a heat-treatable volatile template to prepare hierarchical porous biochar (HPB). <i>Litsea cubeba</i> leaves and ZIF-8 served as carbon source and volatile hard template, respectively. The good compatibility between ZIF-8 and biomass facilitated their uniform dispersion, and the thermal decomposition of ZIF-8 created abundant pores in the HPB. By using ZIF-8 with different sizes as “modulators”, the textural properties of HPB can be controlled. The HPB derived from 200 nm-sized ZIF-8 exhibited ultra-high specific surface area, rich macro-meso-micro porous structure, and excellent electrocatalytic activity, which makes HPB-200 an effective electrochemical sensing platform. The sensor demonstrated an ultralow detection limit (0.2 nM) of Ponceau 4R, showing significant application potential in the field of electroanalytical sensing.</p><h3>Graphical Abstract</h3>\\n<div><figure><div><div><picture><source><img></source></picture></div><div><p>Schematic illustration of a convenient method using a heat-treatable volatile template to prepare hierarchical porous biochar (HPB)</p></div></div></figure></div></div>\",\"PeriodicalId\":705,\"journal\":{\"name\":\"Microchimica Acta\",\"volume\":\"192 2\",\"pages\":\"\"},\"PeriodicalIF\":5.3000,\"publicationDate\":\"2025-01-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Microchimica Acta\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s00604-025-06960-1\",\"RegionNum\":2,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, ANALYTICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Microchimica Acta","FirstCategoryId":"92","ListUrlMain":"https://link.springer.com/article/10.1007/s00604-025-06960-1","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, ANALYTICAL","Score":null,"Total":0}
A novel hierarchical porous biochar based on ZIF-8 volatile hard template with high-efficiency electrochemical sensing performance for trace determination of Ponceau 4R
A convenient method is proposed using a heat-treatable volatile template to prepare hierarchical porous biochar (HPB). Litsea cubeba leaves and ZIF-8 served as carbon source and volatile hard template, respectively. The good compatibility between ZIF-8 and biomass facilitated their uniform dispersion, and the thermal decomposition of ZIF-8 created abundant pores in the HPB. By using ZIF-8 with different sizes as “modulators”, the textural properties of HPB can be controlled. The HPB derived from 200 nm-sized ZIF-8 exhibited ultra-high specific surface area, rich macro-meso-micro porous structure, and excellent electrocatalytic activity, which makes HPB-200 an effective electrochemical sensing platform. The sensor demonstrated an ultralow detection limit (0.2 nM) of Ponceau 4R, showing significant application potential in the field of electroanalytical sensing.
Graphical Abstract
Schematic illustration of a convenient method using a heat-treatable volatile template to prepare hierarchical porous biochar (HPB)
期刊介绍：
As a peer-reviewed journal for analytical sciences and technologies on the micro- and nanoscale, Microchimica Acta has established itself as a premier forum for truly novel approaches in chemical and biochemical analysis. Coverage includes methods and devices that provide expedient solutions to the most contemporary demands in this area. Examples are point-of-care technologies, wearable (bio)sensors, in-vivo-monitoring, micro/nanomotors and materials based on synthetic biology as well as biomedical imaging and targeting.
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