Facile synthesis and enhanced visible-light photocatalysis of graphitic carbon nitride composite semiconductors

ChemSusChem
Huiquan LiXinchen Wang

Abstract

The semiconductor heterojunction has been an effective architecture to enhance photocatalytic activity by promoting photogenerated charge separation. Here, graphitic carbon nitride (CN) and B-modified graphitic carbon nitride (CNB) composite semiconductors were fabricated by a facile calcination process using cheap, sustainable, and easily available sodium tetraphenylboron and urea as precursors. The synthetic CN-CNB-25 semiconductor with a suitable CNB content showed the highest visible-light activity. Its degradation ratio for methyl orange and phenol was more than twice that of CN and CNB and its H2 evolution rate was ∼3.4 and ∼1.8 times higher than that of CN and CNB, respectively. It also displayed excellent stability and reusability. The enhanced activity of CN-CNB-25 was attributed predominantly to the efficient separation of photoinduced electrons and holes. This paper describes a visible-light-responsive CN composite semiconductor with great potential in environmental and energy applications.

References

Feb 16, 2006·Environmental Science & Technology·Sung-Hwan Yoon, Jai H Lee
Nov 11, 2008·Nature Materials·Xinchen WangMarkus Antonietti
May 26, 2009·Journal of Hazardous Materials·Uday F AlkaramAmmar H Al-Dujaili
Jan 28, 2010·Dalton Transactions : an International Journal of Inorganic Chemistry·S C YanZ G Zou
Feb 24, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·S C YanZ G Zou
May 10, 2011·Nature Materials·Adriana ParacchinoElijah Thimsen
Jan 29, 2013·Chemical Reviews·Eric W McFarland, Horia Metiu

❮ Previous
Next ❯

Citations

May 6, 2016·ACS Applied Materials & Interfaces·Jingsan Xu, Menny Shalom
Nov 28, 2017·Environmental Science and Pollution Research International·Martin ReliKamila Kočí
Feb 6, 2020·Chemistry : a European Journal·Neeta KarjuleMenny Shalom
Feb 22, 2018·Physical Chemistry Chemical Physics : PCCP·Fengzhi WangZhizhen Ye
Jun 11, 2020·Environmental Science and Pollution Research International·Devina Rattan Paul, Satya Pal Nehra
Oct 21, 2018·Journal of Colloid and Interface Science·Longbo JiangChengyun Zhou
Aug 31, 2021·The Journal of Physical Chemistry. a·Olatunde P OlademehinKevin L Shuford

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.