Covalently bonded carbon nitride (CN) has stimulated extensive attention as a metal-free semiconductor. However, because of the complexity polymeric structures, acquisition critical roles each molecular constituent in CN for photocatalysis remains elusive. Herein, we clarify fundamental active units by synthesizing with more detailed structures. Enabled microwave synthesis, as-prepared consists distinguishable melem (M1) and its incomplete condensed form (M2). We disclose rather than...

Abstract Artificial photocatalysis offers a clean approach for producing H 2 O . However, the poor selectivity and activity of production hamper traditional industrial applications emerging photodynamic therapy (PDT)/chemodynamic (CDT). Herein, we report C 5 N photocatalyst with conjugated C=N linkage selective efficient non‐sacrificial in both normoxic hypoxic systems. The strengthened delocalization π‐electrons by linkers downshifted band position, thermodynamically eliminating side...

Facile evaluation of oxygen reduction reaction (ORR) kinetics for electrocatalysts is critical sustainable fuel-cell development and industrial H2 O2 production. Despite great success in ORR studies using mainstream strategies, such as the membrane electrode assembly, rotation electrodes, advanced surface-sensitive spectroscopy, time spatial distribution reactive species (ROS) intermediates diffusion layer remain unknown. Using time-dependent electrochemiluminescence (Td-ECL), we report an...

Driven by the essential need of a green, safe, and low-cost approach to producing H

Black phosphorus (BP) is always regarded as a potential electrocatalyst for the oxygen evolution reaction (OER) due to its extremely high carrier mobility and tunable electronic structure. However, instability poor intrinsic activity under ambient conditions greatly limit further improvement of OER performance. Herein, by coupling BP with nickel cobaltite aid dry ball-milling, cobaltite/BP (NCO/BP) heterostructures were rationally designed alkaline catalysis. The NCO/BP interfacial P–M P–O–M...

Designing and fabricating highly efficient oxygen evolution reaction (OER) electrocatalytic materials for water splitting is a promising practical approach to green sustainable low-carbon energy systems. Herein, facile in situ growth self-template strategy by using ZIF-67 as consumable layered double hydroxides (LDHs) template silver nanowires (AgNWs) 1D conductive cascaded substrate controllably synthesize the target AgNWs@CoFe-LDH composites with unique hollow shell sugar gourd-like...

Abstract Highly efficient inter‐conversion of different types energy is the core science and technology. Among them, electrochemiluminescence (ECL), an emission light excited by electrochemical reactions, has drawn attention as a powerful tool across diverse fields in addressing global energy, environment, health challenges. Nonetheless, ECL efficiency (Φ ) most luminophores aqueous solutions low, significantly hampering their broad applications. Along this line, developing with high Φ...

After dissolution, a homogeneous carbon nitride photocatalyst showed boosted activity; meanwhile, the hallmarks of heterogeneous catalysts (facile separation and recycling) were retained.

Colorimetric sensors have been widely used for centuries across diverse fields, thanks to their easy operation and uncompromisingly high sensitivity with no need electricity. However, it is still a great challenge conventional chromogenic systems perform multiple measurements meanwhile maintaining robustness. Here, we reported that carbon nitrides (CNs), the raw materials are abundant, structure-tunable, stable semiconductors photoelectron storage capability, can be developed as system...

A multifactorial mechanism for successful dissolution of polymeric carbon nitrides (pCN) was disclosed, enabling pCN to compound more advanced nanocomposites at the molecular level, beyond traditional solar fuel applications in powders.

Influenced by educational policies and newly emerging philosophies, the proportion of public space is expanding in primary secondary schools China. Consequently, atrium school design increasingly drawing attention due to consideration efficiency its accommodability for diverse activities. Although many studies have already explored daylighting performance atriums, particularities are rarely noticed, which leads lack a reliable basis quick judgment early stage. This study used annual daylight...

Abstract Facile evaluation of oxygen reduction reaction (ORR) kinetics for electrocatalysts is critical sustainable fuel‐cell development and industrial H 2 O production. Despite great success in ORR studies using mainstream strategies, such as the membrane electrode assembly, rotation electrodes, advanced surface‐sensitive spectroscopy, time spatial distribution reactive species (ROS) intermediates diffusion layer remain unknown. Using time‐dependent electrochemiluminescence (Td‐ECL), we...

Abstract Artificial photocatalysis offers a clean approach for producing H 2 O . However, the poor selectivity and activity of production hamper traditional industrial applications emerging photodynamic therapy (PDT)/chemodynamic (CDT). Herein, we report C 5 N photocatalyst with conjugated C=N linkage selective efficient non‐sacrificial in both normoxic hypoxic systems. The strengthened delocalization π‐electrons by linkers downshifted band position, thermodynamically eliminating side...

As a metal-free conjugated polymer, carbon nitride (CN) has attracted tremendous attention as heterogeneous (photo)catalysts. By following prototype of enzymes, making all catalytic sites accessible via homogeneous reactions is promising approach toward maximizing CN activity, but hindered due to the poor insolubility CN. Herein, we report dissolution in environment-friendly methane sulfonic acid and photocatalysis driven by for first time with activity boosted up 10-times, comparing...

Polymeric carbon nitrides (pCN) have garnered immense attention, ranging from super-hard materials to artificial photosynthesis, due their exceptional chemical and optoelectronic properties. The most studied C 3 N 4 along with other stoichiometric pCN, such as N, 2 5 , commonly employed a six-membered ring the basic units; while five-membered rings are also popular in myriad of natural molecules more polarized framework intriguing functionalities. Here, we report facile synthesis topological...

Photocatalytic CO 2 reduction to useful and CH 4 is significantly boosted by black phosphorus (BP) coupled bismuth oxychloride (BiOCl) nanocomposites, presenting an efficient reliable approach green sustainable solar energy conversion.

Black phosphorus (BP) is always regarded as a promising oxygen evolution reaction (OER) electrocatalyst due to its extremely high carrier mobility and tunable electronic structure. However, the instability under ambient conditions poor intrinsic activity greatly restricted further improvement of OER performance. Herein, by coupling BP with nickel cobaltite aid dry ball milling, cobaltite/BP heterostructures (NCO/BP) were designed for alkaline catalysis. The interfacial P-M P-O-M (M = Ni or...

Electrochemiluminescence (ECL), an emission of light excited by electrochemical reactions, has drawn attention as tools across diverse fields, ranging from clinical disease diagnosis to photo-/electro-catalysts development. Nonetheless, the ECL efficiency most luminophores in aqueous solutions is low, which significantly hamper their broad applications; thus, understanding intrinsic factors for highly envisioned. Herein, taking emerging carbon nitride (CN) with unique electronic structures...