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Ambient and green processing of lead-free double perovskite Cs2AgBiBr6 films
DOI: 10.1039/D5GC00722D, Paper
Open Access 
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Qian Chen, Abhinav K. Singh, Hissah Alghathami, Xuzhao Liu, Kun Huang, Andrew G. Thomas, Richard J. Curry, Laurie J. Phillips, Amanda J. HughesA green and simple method for processing high-quality lead-free perovskite Cs2AgBiBr6 films under ambient conditions for future optoelectronic applications.
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Efficient low-temperature depolymerization of polycarbonate catalyzed by lanthanum β-diketonate complexes
DOI: 10.1039/D5GC00829H, Paper
Open Access 
  This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Yuho Kinbara, Haruro Ishitani, Shū KobayashiOptimal lanthanum diketonate complex enabled polycarbonate depolymerization below 60 °C, yielding monomers in high yields. Slurrying the polycarbonate sample with toluene prior to depolymerization accelerated the methanolysis reaction.
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A self-adhesive glutenin-based coating cross-linked by genipin for suppressing microplastic shedding in harsh environments
DOI: 10.1039/D4GC06154C, PaperYulun Chen, Qingrun Liu, Jianjun Ding, Shaofeng Yuan, Hang Yu, Yahui Guo, Yuliang Cheng, He Qian, Weirong Yao
The large-scale application of plastic packaging has raised concerns on the generation of microplastics (MPs).
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Modification strategies for cellulose-based anion exchange membranes
DOI: 10.1039/D5GC00844A, Critical Review
Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Chen Cheng, Siyuan Zhu, Chichong Lu, Zhichuan J. XuSustainable biomass materials are at the forefront of green technologies across energy conversion, water purification and chemical processes.
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Photocatalytic oxidation of various C–H bonds by a polyoxometalate nanocluster-dominated compartmentalized metal–organic framework
DOI: 10.1039/D5GC00269A, PaperJiachen Jiao, Chuanbao Zhang, Hui Sun, Haina Hu, Ziqing Xu, Junwei Zhao, Qiuxia Han, Pengtao Ma
A polyoxometalate nanocluster-dominated compartmentalized metal–organic framework (NiW12-TPT) was synthesized, which displays excellent performance in the photocatalytic oxidation of various hydrocarbons at room temperature with oxidant H2O and air.
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Direct metal-free homo-/cross-coupling of carbonyls with alcohols or imines under ambient light
DOI: 10.1039/D5GC01922B, PaperTongyu Han, Shiqian Zhang, Jinya Li, Quansheng Mou, Jian Gao, Bowen Cao, Chao-Jun Li, Mingxin Liu
The development of a metal-free, ‘greener’ C–C coupling process was highly desired in light of future sustainability as well as social and environmental well-being.
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Degradable thermosets from cellulose acetate allyl carbonate via thiol–ene click chemistry
DOI: 10.1039/D5GC00794A, PaperJaeheon Kim, Emily A. Prebihalo, Mayuri K. Porwal, Nathan B. Rackstraw, Tyler J. Weinstein, Ben Reiner, Lyndsay Leal, Kelli Ogawa, Paul J. Dauenhauer, Theresa M. Reineke
The development of degradable thermosets from renewable resources addresses the pollution associated with fossil fuel-based plastics.
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Bio-based, high-latent-efficiency cross-linking accelerator with steric hindrance and salt formation effects
DOI: 10.1039/D5GC01732G, PaperChanghui Jing, Falin Li, Shuai Du, Xin Wang, Fengyuan Zhang, Songqi Ma
This work facilely synthesized a bio-derived, high-latent-efficiency accelerator via the Michael addition reaction of an abundant bioresource, itaconic acid, and imidazole.
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Anaerobic digestion-derived digestate valorization: green chemistry innovations for resource recovery and reutilization
DOI: 10.1039/D5GC01053E, Tutorial ReviewSamuel Jacob, Debajyoti Kundu, Anjani Devi Chintagunta, Sampath Kumar N. S, Palas Samanta, Chandan Mahata, Sukhendu Dey, R. G. Shibirathna, Arun Barathi, Sunil Kumar, Zhiwu Wang, Gaurav Goel
Green chemistry approaches to digestate valorization support circular bioeconomy and advance UN sustainable development goals.
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Solvent-promoted catalyst-free aminolytic degradation for chemical recycling of single and mixed plastic wastes
DOI: 10.1039/D5GC01068C, Paper
Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Kai Cheng, Yu-I. Hsu, Hiroshi UyamaSchematical illustration of this work: aminolytic degradation for chemical recycling of plastic wastes under mild and catalyst-free conditions.
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Microgel-engineered temperature-responsive microcapsules at liquid interfaces for sequential biocatalytic reactions
DOI: 10.1039/D5GC00775E, PaperDivya Gaur, Wasia Khanam, Nidhi C. Dubey, Bijay P. Tripathi
Microgels, with their adjustable deformability and responsiveness, offer a promising alternative to prepare microcompartments via template-directed assembly onto emulsion droplets.
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Green synthesis of ω-hydroxydodecanoic acid by engineering C. viswanathii with Cas13d
DOI: 10.1039/D5GC00156K, PaperChin-Wei Chang, Yen-Tzu Tung, Siang-Cing Huang, Yun-Ching Chen, Pramod Shah, Xuan-Mai Le Thi, Vy Anh Truong, Mai Thanh Thi Nguyen, Yu-Chen Hu
Chang et al. harnessed Cas13d for programmable knockdown of 4 pathway genes in C. viswanathii and achieved a high ω-hydroxydodecanoic acid titer.
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Environmental feasibility of sustainable co-production of xylooligosaccharides and bioplastic from poplar sawdust
DOI: 10.1039/D5GC01539A, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Xiaoxue Zhao, Ruolin Li, Qiang Yong, Caoxing Huang, Kai LanWe evaluate the life-cycle environmental performance of producing xylooligosaccharides and bioplastic from poplar sawdust, demonstrating the environmental infeasibility of acetic acid pretreatment for xylooligosaccharides production.
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Fluorine-free polysiloxane-based single-ion-conducting polymer electrolyte for lithium–metal batteries
DOI: 10.1039/D5GC00252D, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Leo Gräber, Vittorio Marangon, Manish Kumar, Marcel Weil, Dominic BresserA novel fluorine-free single-ion-conducting polymer electrolyte allows for the stable cycling of Li∥LiFePO4 cells for more than 500 cycles.
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Mechanism of ultrasound-enhanced alkaline selective leaching of zinc from steel waste: experimental and DFT simulation analysis
DOI: 10.1039/D5GC02296G, PaperChunfu Xin, Shenxu Bao, Yimin Zhang, Bo Chen, Wei Ding, Hongwei Zhang, Shuo Liu
Ultrasound-enhanced alkaline leaching selectively extracts zinc from steel waste via cavitation-driven mineral destruction and preferential ZnO dissolution, enabling efficient hazardous waste upcycling with less reagents and time.
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Recycling of polystyrene waste to mono-aromatic hydrocarbons via intermittent thermal scission
DOI: 10.1039/D5GC01563D, PaperZhuohan Lin, Jiaxin Li, Wang Xu, Qiaohui Ruan, Jiakang Hu, Peiqing Yuan, Yan Li
Tunable depolymerization–repolymerization during polystyrene pyrolysis enables selective production of mono-aromatic hydrocarbons (MAHs), achieving >90% liquid yield with ~95% MAHs. The strategy applies to various polystyrene feedstocks.
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Streamer-spark discharge at the water surface as a source of plasma-activated water: nitrogen fixation yields and biocidal efficiency
DOI: 10.1039/D5GC01343G, PaperJiří Fujera, Petr Hoffer, Václav Prukner, Palma Rosa Rotondo, Garima Arora, Vít Jirásek, Rita Milvia De Miccolis Angelini, Petr Lukeš, Milan Šimek
The plasma filaments propagating along the air–water interface offer a useful approach to enhance the transport of reactive species from plasma into the liquid medium.
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Ligand-induced tetrad effect in coordination leaching of ion-adsorption rare earth ores: enhanced recovery of high-value low-lanthanum rare earth concentrates
DOI: 10.1039/D5GC02367J, PaperKui Zou, Hongbo Zhao
Conventional in situ leaching techniques for ion-adsorption rare earth ores (IAREOs) using ammonium-based leaching agents present dual challenges of persistent NH4+–N contamination and inefficient La extraction economics.
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Engineered pH-buffering nanocomposite for robust one-pot multi-enzyme cascade synthesis of γ-aminobutyric acid
DOI: 10.1039/D5GC02022K, PaperHang Luo, Tin Pou Lai, Yanxin Gao, Wenjin Li, Yilin Fan, Liyun Zhang
This work develops a PMAA@ZIF-8 nanocomposite that creates localized acidic microenvironments to overcome pH incompatibility in multi-enzyme cascades, enabling 93.6% GABA yield, efficient NADH regeneration and enhanced enzyme stability.
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Cascade biocatalysis for enantioselective reconstruction of both enantiomers of phenylalaninol from biobased L-phenylalanine
DOI: 10.1039/D5GC01567G, PaperXue Han, Yunyi Li, Tian Xie, Lili Gao, Shuangping Huang, Hang Gao, Jiandong Zhang
One-pot cascade biocatalysis for conversion of biobased L-phenylalanine into both enantiomers of phenylalaninol.
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