Green Chemistry最新文献

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Rational design of an efficient Pt3Cu/TiO2 icosahedral catalyst for bio-aviation fuel production under mild conditions† 温和条件下高效Pt3Cu/TiO2二十面体生物航空燃料催化剂的合理设计
IF 9.3 1区 化学
Green Chemistry Pub Date : 2025-05-02 DOI: 10.1039/D5GC01235J
Yichen Nie, Xingyong Li, Misbah Uddin, Na Liu, Senshen Yu, Phidsavard Keomeesay, Olajide-rasheed Olalekan, Shuaizhe Li, Yubao Chen, Xuebing Zhao, Longlong Ma, Zhifeng Zheng and Shijie Liu
{"title":"Rational design of an efficient Pt3Cu/TiO2 icosahedral catalyst for bio-aviation fuel production under mild conditions†","authors":"Yichen Nie, Xingyong Li, Misbah Uddin, Na Liu, Senshen Yu, Phidsavard Keomeesay, Olajide-rasheed Olalekan, Shuaizhe Li, Yubao Chen, Xuebing Zhao, Longlong Ma, Zhifeng Zheng and Shijie Liu","doi":"10.1039/D5GC01235J","DOIUrl":"https://doi.org/10.1039/D5GC01235J","url":null,"abstract":"<p >Bio-aviation fuel is a promising alternative sustainable aviation fuel (SAF) to fossil-based jet fuels. In this study, we employed a hydrothermal method to synthesize a novel Pt<small><sub>3</sub></small>Cu/TiO<small><sub>2</sub></small> icosahedral catalyst for the efficient hydrodeoxygenation (HDO) of oils and fats, enabling the highly selective production of alkanes. Characterization results confirmed the formation of Pt–Cu alloy nanoclusters in the Pt<small><sub>3</sub></small>Cu/TiO<small><sub>2</sub></small> icosahedra. The catalyst exhibited excellent catalytic performance, achieving 100% conversion of oil feedstock and 91.8% selectivity towards bio-aviation fuel under mild conditions (120 °C, 0.4 MPa H<small><sub>2</sub></small>). Additionally, the selectivity towards C<small><sub>8</sub></small>–C<small><sub>17</sub></small> alkanes was maintained at 50.1% after cycling the Pt<small><sub>3</sub></small>Cu/TiO<small><sub>2</sub></small> icosahedra for ten cycles. Density functional theory (DFT) calculations using propionic acid (PA) as a model molecule revealed that the hydrodecarbonylation reaction begins with the removal of OH* and H* from adsorbed PA on the Pt<small><sub>3</sub></small>Cu (111) planes, forming CH<small><sub>3</sub></small>CCO*, while the conversion of CH<small><sub>3</sub></small>CH<small><sub>2</sub></small>COOH to CH<small><sub>3</sub></small>CH<small><sub>2</sub></small>CO* and OH* was identified as the rate-limiting step.</p>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":" 22","pages":" 6449-6463"},"PeriodicalIF":9.3,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144190633","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Green reactions by metallosilicate catalysts 金属硅酸盐催化剂的绿色反应
IF 9.3 1区 化学
Green Chemistry Pub Date : 2025-05-02 DOI: 10.1039/D5GC00086F
Hao Xu, Jie Tuo, Longkang Zhang, Yue Ma, Yejun Guan and Peng Wu
{"title":"Green reactions by metallosilicate catalysts","authors":"Hao Xu, Jie Tuo, Longkang Zhang, Yue Ma, Yejun Guan and Peng Wu","doi":"10.1039/D5GC00086F","DOIUrl":"https://doi.org/10.1039/D5GC00086F","url":null,"abstract":"<p >Metallosilicates, represented by TS-1 titanosilicate, have brought revolutionary green upgrades to the production of bulk chemicals by fabricating efficient, selective oxidation catalytic systems since the 1980s. Restrictions derived from the medium-pore structure of TS-1 titanosilicate have stimulated the development of novel titanosilicates beyond TS-1 and corresponding greener catalytic systems with enhanced catalytic performance. In addition, metallosilicates have found novel applications in the conversion of low-carbon resources with metals in framework T sites serving as active centers or promoters of precious metal active species. Herein, the recent advances in metallosilicates are reviewed for the construction of greener reaction systems, including the epoxidation of propylene, ammoximation of cyclohexanone, and hydroxylation of phenol, as well as novel applications in propane dehydrogenation and methane-to-methanol reactions. Future research directions are discussed, focusing on the industrialization of novel titanosilicate and the in-depth understanding of active sites and reaction mechanisms.</p>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":" 22","pages":" 6362-6377"},"PeriodicalIF":9.3,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144190572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Insights into photoelectrocatalytic lignin oxidation to value-added products using a niobium-doped titanium dioxide photoanode† 使用掺铌二氧化钛光阳极†的光电催化木质素氧化到增值产品的见解
IF 9.3 1区 化学
Green Chemistry Pub Date : 2025-05-01 DOI: 10.1039/D5GC00038F
Daniela F. S. Morais, Luiza M. G. Sena, Joana M. Ribeiro, Telmo da Silva Lopes, Paula Dias, Adélio Mendes, Carina A. E. Costa, Alírio E. Rodrigues, Susana R. S. Pereira, Paula C. Pinto, Rui A. R. Boaventura, Carlos J. Tavares, Vítor J. P. Vilar and Francisca C. Moreira
{"title":"Insights into photoelectrocatalytic lignin oxidation to value-added products using a niobium-doped titanium dioxide photoanode†","authors":"Daniela F. S. Morais, Luiza M. G. Sena, Joana M. Ribeiro, Telmo da Silva Lopes, Paula Dias, Adélio Mendes, Carina A. E. Costa, Alírio E. Rodrigues, Susana R. S. Pereira, Paula C. Pinto, Rui A. R. Boaventura, Carlos J. Tavares, Vítor J. P. Vilar and Francisca C. Moreira","doi":"10.1039/D5GC00038F","DOIUrl":"https://doi.org/10.1039/D5GC00038F","url":null,"abstract":"<p >The pulp and paper industry generates large quantities of black liquor (BL), a lignin-rich waste stream with the potential to be converted into value-added products, such as low-molecular-weight phenolic products (LMPPs). This study investigates the use of photoelectrocatalysis (PEC) as a promising, yet unexplored, process for lignin oxidation to produce LMPPs. For the first time, a photoanode based on niobium-doped titanium dioxide (TiO<small><sub>2</sub></small>:Nb) and a photoelectrochemical flow cell were applied. Lignin was isolated from Kraft BL (KBL) and used to prepare alkaline Kraft lignin (KL) solutions. The lignin and TiO<small><sub>2</sub></small>:Nb photoanode were thoroughly characterized before and after the PEC process. Six LMPPs, including aldehydes, aromatic acids, and ketones, were identified and quantified during the lignin photoelectrocatalytic oxidation. Applying a constant cell potential of ∼0.8 V transformed the lignin structure, yielding a maximum of 26 ± 1 mg kg<small><sup>−1</sup></small> of LMPPs after 7 h of reaction and a consumed charge of 5 C g<small><sub>Lignin</sub></small><small><sup>−1</sup></small>. The photoelectrocatalytic oxidation of KL predominantly yielded aromatic acids.</p>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":" 22","pages":" 6537-6555"},"PeriodicalIF":9.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/gc/d5gc00038f?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144190631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biomass-derived sustainable hypergolic rocket propellants with hydrogen peroxide† 生物质衍生的可持续双氧水自燃火箭推进剂
IF 9.3 1区 化学
Green Chemistry Pub Date : 2025-05-01 DOI: 10.1039/d5gc00255a
Ramlithin Mavila Chathoth , Charlie Oommen , Michael Gozin , Srinivas Dharavath , Manojkumar Jujam , Deepan Chowdhury , Jagadish Das
{"title":"Biomass-derived sustainable hypergolic rocket propellants with hydrogen peroxide†","authors":"Ramlithin Mavila Chathoth ,&nbsp;Charlie Oommen ,&nbsp;Michael Gozin ,&nbsp;Srinivas Dharavath ,&nbsp;Manojkumar Jujam ,&nbsp;Deepan Chowdhury ,&nbsp;Jagadish Das","doi":"10.1039/d5gc00255a","DOIUrl":"10.1039/d5gc00255a","url":null,"abstract":"<div><div>Sustainable fuels, derived from various renewable biological sources, are having a significant impact on land and marine transportation, as well as on aviation. However, in the case of the space sector, this advancement is limited. In an effort to prepare a sustainable rocket fuel (SRF) from readily available bioresources, herein we report for the first time the valorization of a widely available biomass – coconut husk into hypergolic composite fuel. We showed that the hypergolic reactions of various formulations of coconut husk-derived SRFs with a green oxidizer – H<sub>2</sub>O<sub>2</sub> (95%) could be promoted with the addition of catalytic amounts of guanine-containing polymeric complexes of manganese or copper ( or ). It was found that the top-performing fuel formulation, with a total manganese content of just 2 wt%, showed an impressive ignition delay time below 50 ms. Mechanistic studies exploring the structure–ignition capability relationships of coconut husk-derived SRFs and and materials revealed that the nitrate content of coconut husk-derived SRFs and the metal–ligand cooperation in the and complexes played important roles in the ignition process of our novel SRF formulations.</div></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":"27 21","pages":"Pages 6105-6122"},"PeriodicalIF":9.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144140030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Boosting NH3-SCR of NOx performance through sustainable and economical synthesis of Cu-SAPO-34 zeolites from attapulgite† 以凹凸棒石†为原料可持续经济合成Cu-SAPO-34沸石,提高NOx的NH3-SCR性能
IF 9.3 1区 化学
Green Chemistry Pub Date : 2025-05-01 DOI: 10.1039/d5gc01362c
Yao Wang , Zhangpei Liu , Yongjun Feng , Christopher Hardacre , Sarayute Chansai , Zhiming Liu
{"title":"Boosting NH3-SCR of NOx performance through sustainable and economical synthesis of Cu-SAPO-34 zeolites from attapulgite†","authors":"Yao Wang ,&nbsp;Zhangpei Liu ,&nbsp;Yongjun Feng ,&nbsp;Christopher Hardacre ,&nbsp;Sarayute Chansai ,&nbsp;Zhiming Liu","doi":"10.1039/d5gc01362c","DOIUrl":"10.1039/d5gc01362c","url":null,"abstract":"<div><div>Small-pore Cu-SAPO-34 zeolites have been intensively studied for the selective catalytic reduction of nitrogen oxides (NO<sub><em>x</em></sub>) with NH<sub>3</sub>. However, the prohibitive cost of conventional synthesis has limited their widespread industrial application. Herein, nanosized Cu-SAPO-34-ATP has been synthesized from attapulgite (ATP) by a hydrothermal method, which is a green and economical route. The synthesized nanosized Cu-SAPO-34-ATP zeolites possess high crystallinity, uniform cubic morphology, enhanced acid sites, and abundant Cu-active species. The nanoscale architecture of Cu-SAPO-34-ATP catalysts significantly improves mass transport properties due to substantially reduced diffusion pathways. Consequently, compared to conventional Cu-SAPO-34, the Cu-SAPO-34-ATP zeolites exhibit excellent low-temperature NH<sub>3</sub>-SCR activity, along with enhanced hydrothermal stability. Notably, over the Cu<sub>0.05</sub>-SAPO-34-ATP catalyst more than 90% NO<sub><em>x</em></sub> conversion is achieved in the temperature range from 215 °C to 535 °C. These results highlight the potential of nanosized Cu-SAPO-34 derived from ATP as a next-generation deNO<sub><em>x</em></sub> catalyst, combining environmental and resource-recycling advantages. This study also offers insights for designing innovative nanocatalysts for air pollution control.</div></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":"27 21","pages":"Pages 6293-6305"},"PeriodicalIF":9.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144140034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Activating dynamic Zn–ZnO interface with controllable oxygen vacancy in CO2 electroreduction for boosting CO production† 可控氧空位激活CO2电还原过程中动态Zn-ZnO界面,提高CO产率
IF 9.3 1区 化学
Green Chemistry Pub Date : 2025-05-01 DOI: 10.1039/d5gc00955c
Xueqi Liu , Jingmin Ge , Shiying Li , Huanhuan Yang , Huiwen Tian , Hongpo Liu , Yaxi Li , Xiaoli Zheng , Yapeng Tian , Xinwei Cui , Qun Xu
{"title":"Activating dynamic Zn–ZnO interface with controllable oxygen vacancy in CO2 electroreduction for boosting CO production†","authors":"Xueqi Liu ,&nbsp;Jingmin Ge ,&nbsp;Shiying Li ,&nbsp;Huanhuan Yang ,&nbsp;Huiwen Tian ,&nbsp;Hongpo Liu ,&nbsp;Yaxi Li ,&nbsp;Xiaoli Zheng ,&nbsp;Yapeng Tian ,&nbsp;Xinwei Cui ,&nbsp;Qun Xu","doi":"10.1039/d5gc00955c","DOIUrl":"10.1039/d5gc00955c","url":null,"abstract":"<div><div>Identification of the active sites of zinc oxide-derived catalysts and further elucidation of their catalytic mechanism for electrochemical CO<sub>2</sub> reduction reaction (CO<sub>2</sub>RR) are limited by the dynamic structural evolution at real reaction conditions. Herein, we focused on the structural evolution of ZnO-<em>T</em> at the initial stage of CO<sub>2</sub>RR. ZnO-<em>T</em> underwent <em>in situ</em> reduction to Zn within dozen of minutes, which was followed by reoxidation of the outer layer. As a result, core–shell-like Zn@ZnO-<em>T</em> with controllable Zn–ZnO interfaces and oxygen vacancies was obtained <em>via</em> temperature-controlled annealing and electrochemical pre-treatment. Zn–ZnO interfaces altered the energy band structure of ZnO layer, while the oxygen vacancies modified the electron density of Zn sites. Thus, the obtained Zn@ZnO-<em>T</em> improved the charge transfer, facilitated CO<sub>2</sub> activation, and lowered the energy barrier for *COOH and *CO intermediate formation. Expectedly, Zn@ZnO-<em>T</em> demonstrated excellent CO<sub>2</sub>RR performance for CO production with FE up to 92.1% at −1.2 V (<em>vs.</em> RHE) and a current density of −12.7 mA cm<sup>−2</sup>. In particular, Zn@ZnO-650 delivered a high FE<sub>CO</sub> above 85% over a wide potential range from −1.0 to −1.3 V (<em>vs.</em> RHE). This study provides a new direction for mechanistic investigations on the relationship between intrinsic structure and catalytic performance, guiding the rational design of high-performance heterogeneous catalysts.</div></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":"27 21","pages":"Pages 6133-6144"},"PeriodicalIF":9.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144139955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Industrially viable and selective catalytic system: simple and sustainable pathway for efficient degradation of waste polyester textiles† 工业上可行和选择性催化系统:简单和可持续的途径,有效降解废聚酯纺织品†
IF 9.3 1区 化学
Green Chemistry Pub Date : 2025-05-01 DOI: 10.1039/d5gc00248f
Yu Zhou , Jiaxing Zhang , Bowen Shen , Wenyan Ba , Shengping You , Mengfan Wang , Rongxin Su , Wei Qi
{"title":"Industrially viable and selective catalytic system: simple and sustainable pathway for efficient degradation of waste polyester textiles†","authors":"Yu Zhou ,&nbsp;Jiaxing Zhang ,&nbsp;Bowen Shen ,&nbsp;Wenyan Ba ,&nbsp;Shengping You ,&nbsp;Mengfan Wang ,&nbsp;Rongxin Su ,&nbsp;Wei Qi","doi":"10.1039/d5gc00248f","DOIUrl":"10.1039/d5gc00248f","url":null,"abstract":"<div><div>Waste textile recycling is hampered by their complexity and high crystallinity, leading to substantial environmental pollution and resource wastage. Although enzymatic polyester recycling has promising substrate specificity, natural enzymes lack stability and activity on high-crystallinity substrates, and thus are limited in industrial viability. Herein, in light of the degradation mechanism of polyethylene terephthalate (PET) hydrolyase, we established a simple ethylene glycol (EG) selective catalytic system, possessing a nucleophilic attack mechanism on ester bonds similar to that of the catalytic serine residue in the natural enzyme. The EG catalytic system achieved efficient PET degradation, with a PET conversion rate of 99.63% and a terephthalic acid (TPA) yield of 95.46% under mild conditions (90 °C for 1 h). Meanwhile, the insolubility of the degradation products in EG catalytic system facilitates their separation, allowing the reaction system to be recycled at least five times. Additionally, first-principles molecular dynamics simulations revealed that the EG catalytic system generates active species EG<sup>−</sup>, which follows the same reaction mechanism as natural enzymes and has a lower energy barrier than alkaline hydrolysis. Notably, the process maintains effective hydrolysis capability at a 100 L scale, with selective degradation and decolorization, underscoring its industrial potential for PET degradation from colored composite textiles. Overall, this work offers a sustainable, efficient, and practical solution to the challenge of textile waste recycling.</div></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":"27 21","pages":"Pages 5982-5991"},"PeriodicalIF":9.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144139996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A photo-Fenton-like (trideutero)methylation reaction of N/O heterocycles with DMSO(-d6) induced by EDA complex photocatalysis† EDA复合光催化诱导N/O杂环与DMSO(-d6)的光fenton样(三氘)甲基化反应
IF 9.3 1区 化学
Green Chemistry Pub Date : 2025-05-01 DOI: 10.1039/d4gc05939e
Changsheng Qin , Chenxu Li , Fang Gao , Jingfang Wang , Zhihua Zhang , Shuai Zhang , Xinyue Li , Yi Sun , Meiqian Hu , Shoucai Wang , Fanghua Ji , Guangbin Jiang
{"title":"A photo-Fenton-like (trideutero)methylation reaction of N/O heterocycles with DMSO(-d6) induced by EDA complex photocatalysis†","authors":"Changsheng Qin ,&nbsp;Chenxu Li ,&nbsp;Fang Gao ,&nbsp;Jingfang Wang ,&nbsp;Zhihua Zhang ,&nbsp;Shuai Zhang ,&nbsp;Xinyue Li ,&nbsp;Yi Sun ,&nbsp;Meiqian Hu ,&nbsp;Shoucai Wang ,&nbsp;Fanghua Ji ,&nbsp;Guangbin Jiang","doi":"10.1039/d4gc05939e","DOIUrl":"10.1039/d4gc05939e","url":null,"abstract":"<div><div>DMSO is a prominent and indispensable methylating agent within the realm of organic synthesis. We report an innovative strategy employing an <em>in situ</em> generated EDA (electron-donor–acceptor) complex as an active photocatalyst to achieve N/O heterocycle (deutero)methylation based on DMSO(-<em>d</em><sub>6</sub>). Mechanistic investigations reveal that the reaction proceeds through the synergistic action of the EDA active catalyst, water, and oxygen, inducing the formation of hydroxyl radicals in a Fenton-like process. Compared to traditional Fenton-based methylation reactions utilizing DMSO, this approach circumvents the necessity for metal catalysts and strong oxidants, thereby exhibiting significant enhancements in environmental friendliness, safety, and economy. Furthermore, a variety of N/O heterocycles, including azauracils, quinoxalinones, and coumarins, are compatible with the reaction system, which was previously unattainable in conventional Fenton methylation reactions.</div></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":"27 21","pages":"Pages 6206-6212"},"PeriodicalIF":9.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144140052","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Highly efficient fabrication of lemon peel-derived carbon quantum dots for multicolor light-emitting diodes† 用于多色发光二极管的柠檬皮衍生碳量子点的高效制备
IF 9.3 1区 化学
Green Chemistry Pub Date : 2025-05-01 DOI: 10.1039/d5gc01179e
Lingli Zhu , Jin Cao , Hongmin Yang , Dekui Shen , Haitao Hu , Mengjia Dou
{"title":"Highly efficient fabrication of lemon peel-derived carbon quantum dots for multicolor light-emitting diodes†","authors":"Lingli Zhu ,&nbsp;Jin Cao ,&nbsp;Hongmin Yang ,&nbsp;Dekui Shen ,&nbsp;Haitao Hu ,&nbsp;Mengjia Dou","doi":"10.1039/d5gc01179e","DOIUrl":"10.1039/d5gc01179e","url":null,"abstract":"<div><div>Biomass-derived carbon quantum dots (CQDs) have emerged as a promising sustainable alternative to conventional semiconductor quantum dots for light-emitting diode (LED) applications, offering distinct advantages in terms of renewability, low toxicity, and environmental friendliness. However, the efficient preparation of multicolor biomass-derived CQDs remains a critical challenge for practical implementation. In this study, lemon peel was screened as the optimal precursor from 26 types of agricultural and forestry residues, landscaping wastes, and food wastes. A green synthesis strategy involving hydrothermal carbonization coupled with controlled heteroatom doping was developed, which enabled the preparation of multicolor CQDs with superior photoluminescence properties. The synthesized CQDs exhibited tunable emission wavelengths (440–655 nm), high fluorescence quantum yields (4.98–35.58%), and exceptional photostability. High-efficiency LEDs were successfully fabricated by constructing a multilayer device structure using a mixture of multicolor biomass-derived CQDs and polymers. The CQD-based LEDs exhibited high color rendering indices (81.8–92.9) and a wide color temperature range (3912–6964 K) covering the visible spectrum while maintaining a decay rate below 30% over an operating lifetime of 11 832–12 815 h. This work not only provides a novel route for low-cost and sustainable synthesis of CQDs but also establishes theoretical and technical foundations for green electronic devices, accelerating the application of biomass resources in high-value optoelectronic devices.</div></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":"27 21","pages":"Pages 6184-6195"},"PeriodicalIF":9.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144139959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Streamlining squaramide synthesis using a sustainable and versatile paper-based platform† 精简方酰胺合成使用可持续和通用的纸质平台†
IF 9.3 1区 化学
Green Chemistry Pub Date : 2025-05-01 DOI: 10.1039/d5gc00535c
Antonella Ilenia Alfano , Panagiota M. Kalligosfyri , Valerio Baia , Margherita Brindisi , Stefano Cinti
{"title":"Streamlining squaramide synthesis using a sustainable and versatile paper-based platform†","authors":"Antonella Ilenia Alfano ,&nbsp;Panagiota M. Kalligosfyri ,&nbsp;Valerio Baia ,&nbsp;Margherita Brindisi ,&nbsp;Stefano Cinti","doi":"10.1039/d5gc00535c","DOIUrl":"10.1039/d5gc00535c","url":null,"abstract":"<div><div>Green sustainable synthesis minimizes environmental impact by reducing waste, energy use, and hazardous materials, thus promoting safer and efficient methods aligned with ecological principles. Building on this, we herein disclose a sustainable methodology for the synthesis of squaramide-based compounds, key structural templates for medicinal and organic chemistry applications, <em>via</em> an innovative eco-friendly protocol. This innovative approach leverages the benefits of filter paper as a suitable reaction platform for water-based solvent systems, thus triggering a significant advance in environmentally friendly practices in organic synthesis. Our newly conceived protocol guarantees high reaction yields (up to 99.5%) and excellent green metrics (up to 89.5/100), unequivocally demonstrating the suitability and versatility of a simple material like filter paper to not only streamline the overall process but also enhance the efficiency of the reaction. Specifically, the adoption of a paper-based reaction platform for synthesizing squaramide-based compounds showcases clear advantages, such as enabling the reaction to proceed without the complications of water removal and avoiding the need for complex equipment or time-consuming purification steps. This approach represents a promising starting point that could be exploited for further applications in chemical synthesis, thus fostering and empowering a sustainable vision in organic and medicinal chemistry.</div></div>","PeriodicalId":78,"journal":{"name":"Green Chemistry","volume":"27 21","pages":"Pages 5992-6001"},"PeriodicalIF":9.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144139997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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