Article
Chemistry, Multidisciplinary
Il Son Khan, Diego Mateo, Genrikh Shterk, Tuiana Shoinkhorova, Daria Poloneeva, Luis Garzon-Tovar, Jorge Gascon
Summary: This study presents a highly active and stable Ni-based catalyst derived from a metal-organic framework for the photothermal reduction of CO2 to CH4. The catalyst can be tuned by controlling the pyrolysis process of MOF-74 (Ni), achieving high CH4 production rates under UV-visible-IR irradiation. The catalyst shows no significant loss of activity after multiple reaction cycles and hours of continuous operation, demonstrating its potential for reducing CO2 to CH4 using solar energy in outdoor environments.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Engineering, Chemical
Xi Liu, Meili Ding, Pan Ma, Chengyuan Duan, Jianfeng Yao
Summary: The study demonstrates the synthesis of forest-like ZIF-8-based material using a metal template-guided growth approach. The resulting ZIF-8 forests with a 3D self-supported array architecture exhibit efficient exposure of active sites, rapid mass transfer, and simple recovery. The catalytic activity of the ZIF-8 forests towards the coupling of epoxides and CO2 is remarkable, with a cyclic carbonate yield of 96%. Importantly, the catalytic performance is well-maintained even after multiple cycles and under various conditions.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Engineering, Chemical
Pan Ma, Meili Ding, Xi Liu, Wei Rong, Jianfeng Yao
Summary: In this study, ZnO and/or metallic Co were embedded in N-doped porous carbon through rational synthesis, and the optimized catalyst exhibited remarkable activity and recyclability in the coupling reaction of CO2 and epoxides. Furthermore, the catalytic performance of the catalyst was well maintained even under dilute CO2, humid environment, or light irradiation.
CHEMICAL ENGINEERING SCIENCE
(2022)
Article
Chemistry, Applied
Qing Li, Weili Dai, Jie Mao, Xingwei He, Ying Liu, Yong Xu, Lixia Yang, Jianping Zou, Xubiao Luo
Summary: This study demonstrates a facile and versatile post-synthetic modification approach for incorporating hydroxyl-functionalized imidazolium IL into Cr-MIL-101, resulting in HImBr@Cr-MIL-101 with high surface area, profitable porosity, and good CO(2) adsorption capacity. HImBr@Cr-MIL-101 shows largely enhanced catalytic activity due to the synergistic effect of multiple active sites, and outperforms other benchmark MOF-based catalysts. Moreover, this catalyst exhibits good chemical stability and recyclability.
MICROPOROUS AND MESOPOROUS MATERIALS
(2023)
Article
Multidisciplinary Sciences
Omid T. Qazvini, Ravichandar Babarao, Shane G. Telfer
Summary: Researchers present a metal-organic framework adsorbent, MUF-16, that efficiently captures CO2 over other competing gases with high selectivity. This adsorbent enables high-purity gas separation under dynamic conditions, making it suitable for the purification of natural gas and industrial feedstocks.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Inorganic & Nuclear
Yongmoon Yang, Jong Doo Lee, Yeong Hyun Seo, Ju-Hyung Chae, Sohee Bang, Yeon-Joo Cheong, Bun Yeoul Lee, In-Hwan Lee, Seung Uk Son, Hye-Young Jang
Summary: This study presents a new approach to enhance the catalytic activity in CO2 polymerization by using two-dimensional (2D) ZnGA. A porous granular Co-modified ZnGA (Co-ZnGA) was prepared by treating morphology-controlled 2D ZnGA with H3Co(CN)(6). Co-ZnGA exhibited significant catalytic activity in copolymerization of various epoxides and CO2.
DALTON TRANSACTIONS
(2022)
Article
Chemistry, Multidisciplinary
Keng Xuan, Shikun Chen, Yanfeng Pu, Yaoping Guo, Yadan Guo, Yun Li, Chenxi Pu, Ning Zhao, Fukui Xiao
Summary: In this study, a HPW@MOF-808 catalyst was successfully prepared and demonstrated to have high activity and good stability in the direct synthesis of DMC. The encapsulation of HPW in the micropores of MOF-808 increased its interaction with Zr-6 nodes, resulting in the generation of more acid sites and promoting the formation of methyl cations (rate-determine step in DMC synthesis). Additionally, the encapsulated HPW inhibited leaching during the reaction, leading to better reusability.
JOURNAL OF CO2 UTILIZATION
(2022)
Article
Chemistry, Multidisciplinary
Linmeng Huo, Lin Wang, Jingjie Li, Yanfeng Pu, Keng Xuan, Congzhen Qiao, Hao Yang
Summary: The disadvantage of Ce/Zr metal oxide catalyst for direct synthesis of dimethyl carbonate (DMC) from CO2 and methanol, low DMC formation rate due to low specific surface area and active sites, can be improved by highly uniform dispersion cerium-doped UiO-66 MOFs. Experimental evaluation results showed that Ce-doped UiO-66 MOFs exhibited significantly improved catalytic performance compared to traditional Ce/Zr metal oxide catalyst.
JOURNAL OF CO2 UTILIZATION
(2023)
Article
Chemistry, Multidisciplinary
Kien Tiek Wong, Boris Brigljevic, Jeong Hyeon Lee, So Yeon Yoon, Seok Byum Jang, Choe Earn Choong, Inwook Nah, Hyeongjun Kim, Hyun-Seog Roh, Sang Kyu Kwak, Hankwon Lim, Min Jang
Summary: This study investigates the applicability of single-atom Mo-doped graphitic carbon nitride nanosheets for the production of propylene carbonate through CO2 cycloaddition. Optimized operational parameters and the use of Mo(2)GCN catalyst result in high catalytic performance.
Article
Chemistry, Multidisciplinary
Shan-Shan Fu, Qiang-Qiang Yuan, Lihua Ma, Zhi-Ming Zhang, Tong-Bu Lu, Song Guo
Summary: A series of TEMPO@PCN-222 composite photocatalysts were developed by coordinating different amount of 4-carboxy-TEMPO with the secondary building units of PCN-222. Visible-light irradiation enables the transfer of photogenerated holes in the highest occupied molecular orbital of PCN-222 to TEMPO, significantly increasing the photosynthesis of bioactive (iso)quinolones. With an outstanding catalytic stability and substrate tolerance, TEMPO@PCN-222 exhibits a yield of 86.7% for 1-methyl-2-quinolinone, over four times higher than PCN-222 (21.4%). This study provides a new route for constructing composite photocatalysts from abundant starting materials for efficient photosynthesis of high value-added chemicals.
Article
Chemistry, Physical
Xiaofeng Zhang, Junhao Ding, Bo Qiu, Dajian Li, Yunpeng Bian, Dandan Zhu, Shimin Wang, Wenpeng Mai, Shujun Ming, Jian Chen, Tao Li
Summary: The study developed a green synthesis method to prepare porous organic polymers and designed efficient catalysts for the fixation of CO2 into cyclic carbonates. This provided an effective strategy for addressing the key challenge of CO2 transformation.
Article
Chemistry, Multidisciplinary
Baoqiu Yu, Lianjie Li, Shanshan Liu, Hailong Wang, Heyuan Liu, Chenxiang Lin, Chao Liu, Hui Wu, Wei Zhou, Xiyou Li, Tianyu Wang, Banglin Chen, Jianzhuang Jiang
Summary: A robust biological hydrogen-bonded framework (HOF-25) derived from 2,2'-bipyridine (bpy) was utilized to covalently attach Re(bpy)(CO)(3)Cl segments, showing good heterogeneous catalytic activity for carbon dioxide photoreduction with high CO production rate and selectivity.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Multidisciplinary
Zhenzhen Zhou, Xiao Liu, Jian-Gong Ma, Peng Cheng
Summary: Environmental problem caused by carbon emission has attracted widespread attention. This study developed a new dual-active site catalyst for converting CO2 into formamides, which has the advantages of high efficiency, low cost, and reusability. It provides a reliable approach to unify the advantages of homogeneous and heterogeneous catalysts, and has significant implications for synthetic chemistry and environmental protection.
Article
Chemistry, Multidisciplinary
Arkaprabha Giri, Abhijit Patra
Summary: This research introduces the application of porous organic polymers (POPs) in heterogeneous catalysis. Amorphous POPs activate substrates or encapsulate catalytically active metal centers, while conjugated POPs are used for photoinduced chemical transformations. The authors summarize their research achievements over the past ten years and discuss the prospects of POPs and POP-based hybrid materials in future catalytic applications.
Article
Engineering, Chemical
Pan Ma, Meili Ding, Ying Zhang, Wei Rong, Jianfeng Yao
Summary: This study designed a lanthanide (III) complex and immobilized it with DUT-5 through a combination of coordination and in situ polymerization, resulting in La-Vim/DUT-5 catalyst with high porosity and multiple active sites. The catalytic yield of this catalyst in the cycloaddition of epichlorohydrin with CO2 reached 94%, much higher than each individual component. Moreover, the catalytic activities of this catalyst can be well maintained using simulated flue gas as C1 source under both dry and humid conditions. This work opens up a novel and general avenue to tailor the chemical functionality of MOFs for capturing and converting CO2 under actual conditions.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Engineering, Environmental
Jintu Francis Kurisingal, Yadagiri Rachuri, Yunjang Gu, Youngson Choe, Dae-Won Park
CHEMICAL ENGINEERING JOURNAL
(2020)
Article
Chemistry, Applied
Jintu Francis Kurisingal, Yixin Li, Yryskul Sagynbayeva, Ramesh Kumar Chitumalla, Srimai Vuppala, Yadagiri Rachuri, Yunjang Gu, Joonkyung Jang, Dae-Won Park
Article
Chemistry, Multidisciplinary
Ga-Hyeong Kim, Jintu Francis Kurisingal, Yunjang Gu, Mi-Hye Lee, Youngson Choe, Dae-Won Park
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
(2020)
Article
Chemistry, Multidisciplinary
Jintu Francis Kurisingal, Yadagiri Rachuri, Yunjang Gu, Ramesh Kumar Chitumalla, Srimai Vuppala, Joonkyung Jang, Kamal Kumar Bisht, Eringathodi Suresh, Dae-Won Park
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2020)
Article
Chemistry, Physical
Yunjang Gu, Youngson Choe, Dae-Won Park
Summary: Crystalline porous materials CPM-200-In and CPM-200-In/Mg metal-organic frameworks were synthesized and characterized for their catalytic performance in the cycloaddition reaction of epoxides with CO2. The catalysts showed high efficiency and could be reused multiple times due to the synergistic role of acidic and basic sites on CPM-200-In/Mg.
Article
Chemistry, Physical
Amal Cherian Kathalikkattil, Yunjang Gu, Jintu Francis Kurisingal, Hankyul Lee, Hyungjun Kim, Youngson Choe, Dae-Won Park
Summary: A novel CuAspBpy catalyst was prepared in this study, which enabled efficient synthesis of propylene carbonate with the synergistic effect of a quaternary ammonium bromide co-catalyst. Computational studies revealed the mechanistic pathway of the reaction, and the heterogeneous catalyst showed good reusability without significant loss of activity.
REACTION KINETICS MECHANISMS AND CATALYSIS
(2021)
Article
Chemistry, Physical
Jintu Francis Kurisingal, Shinjae Lee, Jun Gyeong Lee, Kwangjin An
Summary: By coating a uniform layer of BMZIF onto the surface of MoO3 nanorods, a core-shell catalyst Mo2C@BMZIF-700 degrees C (4 h) was created, enabling the high selective conversion of guaiacol to phenol under relatively mild reaction conditions. The catalyst also exhibited selective cleavage of the methoxy group of lignin derivatives, making it suitable for biomass catalysis. It showed excellent recyclability and stability without changing its structure or active species.
Article
Chemistry, Physical
Jun Gyeong Lee, Shinjae Lee, Hojeong Lee, Jintu Francis Kurisingal, Seung Hyun Han, Yong Hwan Kim, Kwangjin An
Summary: This study developed a new catalytic process to utilize waste lignin for the production of raw materials for nylon. Guaiacol extracted from lignin was converted to phenol, and the resulting phenol was further converted to caprolactam or adipic acid. This study demonstrates the potential of using waste lignin as a resource for high value-added nylon production.
CATALYSIS SCIENCE & TECHNOLOGY
(2022)
Article
Chemistry, Physical
Yunjang Gu, Bai Amutha Anjali, Sunghyun Yoon, Youngson Choe, Yongchul G. Chung, Dae-Won Park
Summary: Heterogeneous catalysts based on defective metal-organic frameworks (MOFs) have been synthesized and characterized in this study. The synthesized MOFs were analyzed using various techniques, and a computational method was developed to approximate the degree of defects. One of the MOFs showed high catalytic conversion and selectivity, and it could be recycled multiple times.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)