Photochemical N-Formylation of Amines and Cyclic Carbonate Synthesis from Epoxides by the Use of Light-Mediated Fixation of Carbon Dioxide Using Covalent Organic Framework/g-C3N4 Composites DOI

Bipasha Banerjee,

Pekham Chakrabortty,

Avik Chowdhury

и другие.

Industrial & Engineering Chemistry Research, Год журнала: 2024, Номер unknown

Опубликована: Дек. 2, 2024

A proficient heterogeneous catalytic system for the photocatalytic N-formylation reaction of amines and cyclic carbonate synthesis from epoxides using CO2 as a carbon source under ambient conditions has been documented. sophisticated approach established current process, aiming successful production formamides carbonates with high levels selectivity efficiency by adjusting several variables such solvent, time, well light involved in reaction. We have synthesized two distinct catalysts, T-COF N-COF, along g-C3N4 heterojunction, demonstrating outstanding performance. Compared to g-C3N4@N-COF, g-C3N4@T-COF photocatalyst showed significantly better light-driven formation other suitable at room temperature. The g-C3N4@COF photocatalysts can be recycled used multiple times without any noticeable decrease efficiency.

Язык: Английский

The Future of Catalysis: Applying Graph Neural Networks for Intelligent Catalyst Design DOI

Zhihao Wang,

Wentao Li, Siying Wang

и другие.

Wiley Interdisciplinary Reviews Computational Molecular Science, Год журнала: 2025, Номер 15(2)

Опубликована: Март 1, 2025

ABSTRACT With the increasing global demand for energy transition and environmental sustainability, catalysts play a vital role in mitigating climate change, as they facilitate over 90% of chemical material conversions. It is important to investigate complex structures properties enhanced performance, which artificial intelligence (AI) methods, especially graph neural networks (GNNs) could be useful. In this article, we explore cutting‐edge applications future potential GNNs intelligent catalyst design. The fundamental theories their practical catalytic simulation inverse design are first reviewed. We analyze critical roles accelerating screening, performance prediction, reaction pathway analysis, mechanism modeling. By leveraging convolution techniques accurately represent molecular structures, integrating symmetry constraints ensure physical consistency, applying generative models efficiently space, these approaches work synergistically enhance efficiency accuracy Furthermore, highlight high‐quality databases crucial catalysis research innovative application thermocatalysis, electrocatalysis, photocatalysis, biocatalysis. end, key directions advancing catalysis: dynamic frameworks real‐time conditions, hierarchical linking atomic details features, multi‐task interpretability mechanisms reveal pathways. believe advancements will significantly broaden science, paving way more efficient, accurate, sustainable methodologies.

Язык: Английский

Процитировано

0

Active Learning‐Driven Discovery of Donor‐Acceptor Covalent Triazine Frameworks for High‐Performance Photocatalysts DOI
Mingliang Wu,

Jinxin Sun,

Yu Cui

и другие.

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Май 2, 2025

Abstract Donor‐acceptor (D‐A) structure enables precise tuning of the electronic and optical properties materials, enabling widely applicable in organic semiconductors photocatalysts. However, vast diversity donor acceptor units their combinations pose considerable challenges to experimental development. Here, this study presents a screening strategy that integrates an active learning (AL)‐based multi‐model framework with synthesis validation discover high‐performance D‐A covalent triazine frameworks (CTFs) This combines AL model, trained on data reported D‐A‐CTFs, graph neural networks model establishes relationship between molecular properties. Meanwhile, expert chemical knowledge is incorporated into improve synthesizability stability, resulting 113 identified candidates from database 21807 structures. Experimental confirms 9 out 10 newly synthesized D‐A‐CTFs exhibit predicted photocatalytic performances. Notably, CTF‐[1,1′‐Biphenyl]‐4,4′‐dicarbaldehyde achieved record hydrogen evolution rate 33.29 mmol g −1 h for CTF‐based bulk Further feature engineering analysis reveals carbon nitrogen charges critically determine performance, offering optimization design. paves promising way accelerate discovery effective structured materials.

Язык: Английский

Процитировано

0

Interpretable machine learning for stability and electronic structure prediction of Janus III–VI van der Waals heterostructures DOI Creative Commons
Yudong Shi,

Yinggan Zhang,

Jiansen Wen

и другие.

Materials Genome Engineering Advances, Год журнала: 2024, Номер unknown

Опубликована: Дек. 4, 2024

Abstract Machine learning (ML) techniques have made enormous progress in the field of materials science. However, many conventional ML algorithms operate as “black‐boxes”, lacking transparency revealing explicit relationships between material features and target properties. To address this, development interpretable models is essential to drive further advancements AI‐driven discovery. In this study, we present an framework that combines traditional machine with symbolic regression, using Janus III–VI vdW heterostructures a case study. This approach enables fast accurate predictions stability electronic structure. Our results demonstrate prediction accuracy classification model for stability, based on formation energy, reaches 0.960. On other hand, R 2 , MAE, RMSE value regression structure prediction, band gap, achieves 0.927, 0.113, 0.141 testing set, respectively. Additionally, identify universal descriptor comprising five simple parameters reveals underlying physical candidate their gaps. not only delivers high gap but also provides insight into

Язык: Английский

Процитировано

3

Photochemical N-Formylation of Amines and Cyclic Carbonate Synthesis from Epoxides by the Use of Light-Mediated Fixation of Carbon Dioxide Using Covalent Organic Framework/g-C3N4 Composites DOI

Bipasha Banerjee,

Pekham Chakrabortty,

Avik Chowdhury

и другие.

Industrial & Engineering Chemistry Research, Год журнала: 2024, Номер unknown

Опубликована: Дек. 2, 2024

A proficient heterogeneous catalytic system for the photocatalytic N-formylation reaction of amines and cyclic carbonate synthesis from epoxides using CO2 as a carbon source under ambient conditions has been documented. sophisticated approach established current process, aiming successful production formamides carbonates with high levels selectivity efficiency by adjusting several variables such solvent, time, well light involved in reaction. We have synthesized two distinct catalysts, T-COF N-COF, along g-C3N4 heterojunction, demonstrating outstanding performance. Compared to g-C3N4@N-COF, g-C3N4@T-COF photocatalyst showed significantly better light-driven formation other suitable at room temperature. The g-C3N4@COF photocatalysts can be recycled used multiple times without any noticeable decrease efficiency.

Язык: Английский

Процитировано

0