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Photochem, Volume 2, Issue 3

2022 September - 20 articles

Cover Story: Novel metal oxide/polymer composite photocatalysts have been investigated for the first time. The photo-semiconductors (ZnO, etc.) were fully integrated into an acrylate polymer network based on the cross-linking of polyethylene glycol diacrylate by photopolymerisation under LED irradiation. The excellent performance in the photodegradation of a model dye in an aqueous environment was observed. The newly introduced photocatalysts offered significantly better performance than the conventional TiO2 photocatalytic material used as a control. Additionally, the catalyst demonstrated excellent water adsorption properties, high-temperature resistance, and excellent recyclability, which were very suitable for wide application and in line with the concept of green chemistry. View this paper
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Articles (20)

  • Article
  • Open Access
2 Citations
3,810 Views
12 Pages

Mass-Resolved Momentum Imaging of Three Dichloroethylene Isomers by Femtosecond Laser-Induced Coulomb Explosion

  • Yoriko Wada,
  • Hiroshi Akagi,
  • Takayuki Kumada,
  • Ryuji Itakura and
  • Tomonari Wakabayashi

16 September 2022

Coulomb explosion experiments using linearly polarized intense 60 fs laser pulses were conducted for structural characterization of three dichloroethylene (DCE) isomers, 1,1-DCE, cis-1,2-DCE, and trans-1,2-DCE. Under relatively low laser intensity at...

  • Article
  • Open Access
3 Citations
2,760 Views
19 Pages

15 September 2022

Photosystem II (PSII) is the unique pigment–protein complex that is capable of evolving molecular oxygen using solar energy. The activity of PSII determines the overall productivity of all oxygenic photosynthetic organisms. It is well known tha...

  • Article
  • Open Access
1 Citations
2,581 Views
14 Pages

Ar-Matrix Studies of the Photochemical Reaction between CS2 and ClF: Prereactive Complexes and Bond Isomerism of the Photoproducts

  • Michelle T. Custodio Castro,
  • Carlos O. Della Védova,
  • Helge Willner and
  • Rosana M. Romano

2 September 2022

In this work, prereactive complexes, reaction products, and conformational preferences derived from the photochemical reaction between CS2 and ClF were analyzed following the codeposition of the reactants trapped in argon matrices at cryogenic temper...

  • Article
  • Open Access
3 Citations
3,557 Views
13 Pages

Decoding Breast Cancer Metabolism: Hunting BRCA Mutations by Raman Spectroscopy

  • Monika Kopec,
  • Beata Romanowska-Pietrasiak and
  • Halina Abramczyk

25 August 2022

Presented study included human blood from healthy people and patients with BReast CAncer gene (BRCA) mutation. We used Raman spectroscopy for BRCA mutation detection and the bioanalytical characterization of pathologically changed samples. The aim of...

  • Article
  • Open Access
21 Citations
3,761 Views
19 Pages

Low-Cost and Recyclable Photocatalysts: Metal Oxide/Polymer Composites Applied in the Catalytic Breakdown of Dyes

  • Timur Borjigin,
  • Michael Schmitt,
  • Fabrice Morlet-Savary,
  • Pu Xiao and
  • Jacques Lalevée

24 August 2022

Novel metal oxide/polymer composite photocatalysts prepared by photocuring with common metal oxide particles (ZnO or CeO2) and acrylic ester monomers have been investigated for the first time. Metal oxide particles were fully integrated with the acry...

  • Article
  • Open Access
2,929 Views
16 Pages

Awakening a Molecular Mummy: The Inter-and Intramolecular Photochemistry of Pyromellitic Diimides with Alkyl Carboxylates

  • Wolfgang H. Kramer,
  • Donya Razinoubakht,
  • Gurjit Kaur,
  • Axel Klein,
  • Simon Garbe,
  • Jörg Neudörfl,
  • Sabrina Molitor,
  • Anne Zimmer and
  • Axel G. Griesbeck

24 August 2022

Pyromellitic acid diimides are not as chemically unreactive as conjecturable (and presupposed) from their numerous applications as electron acceptor units or electron carriers in molecular donor–acceptor dyads or triads. Similar to the correspo...

  • Review
  • Open Access
22 Citations
6,720 Views
23 Pages

A Photochemical Overview of Molecular Solar Thermal Energy Storage

  • Alberto Gimenez-Gomez,
  • Lucien Magson,
  • Beatriz Peñin,
  • Nil Sanosa,
  • Jacobo Soilán,
  • Raúl Losantos and
  • Diego Sampedro

22 August 2022

The design of molecular solar fuels is challenging because of the long list of requirements these molecules have to fulfil: storage density, solar harvesting capacity, robustness, and heat release ability. All of these features cause a paradoxical de...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,904 Views
22 Pages

Consecutive Multicomponent Coupling-Addition Synthesis and Chromophore Characteristics of Cyclohexene-Embedded Merocyanines and Cyanines

  • Julian Papadopoulos,
  • Tabea Gerlach,
  • Guido J. Reiss,
  • Bernhard Mayer and
  • Thomas J. J. Müller

19 August 2022

Merocyanines with embedded butadiene structure in a cyclohexane scaffold are readily obtained by consecutive three-component alkynylation-addition sequences in moderate to excellent yield. Moreover, employing pyrrolidine as an amine provides a pseudo...

  • Review
  • Open Access
36 Citations
5,424 Views
21 Pages

17 August 2022

Photocatalysis is a promising route to utilize sunlight, which has been potentially used to solve energy as well as environmental problems with an emphasis on fundamental understanding and technological applications in society. Semiconductors are exc...

  • Review
  • Open Access
18 Citations
5,562 Views
23 Pages

Structural, Morphological and Optical Properties of MoS2-Based Materials for Photocatalytic Degradation of Organic Dye

  • Jadan Resnik Jaleel UC,
  • Madhushree R,
  • Sunaja Devi K R,
  • Dephan Pinheiro and
  • Mothi Krishna Mohan

8 August 2022

Molybdenum disulfide (MoS2) is a transition metal dichalcogenide (TMDCs) having versatile properties and plays a great role in the photodegradation of organic dyes. MoS2 also finds applications in diverse fields such as catalysis, electronics, and na...

  • Review
  • Open Access
24 Citations
4,618 Views
19 Pages

5 August 2022

Most dyes used in various industries are toxic and carcinogenic, thus posing a serious hazard to humans as well as to the marine ecosystem. Therefore, the impact of dyes released into the environment has been studied extensively in the last few years...

  • Review
  • Open Access
10 Citations
4,058 Views
29 Pages

Progress in the Photoreforming of Carboxylic Acids for Hydrogen Production

  • Anita Samage,
  • Pooja Gupta,
  • Mahaveer A. Halakarni,
  • Sanna Kotrappanavar Nataraj and
  • Apurba Sinhamahapatra

29 July 2022

Photoreforming is a process that connects the redox capability of photocatalysts upon light illumination to simultaneously drive the reduction of protons into hydrogen and the oxidation of organic substrates. Over the past few decades, researchers ha...

  • Article
  • Open Access
6 Citations
2,733 Views
17 Pages

26 July 2022

Both vibrational-excitation-induced (by (N)IR laser) and spontaneous (by H atom tunneling) conformational changes are often investigated by matrix-isolation spectroscopy. It is well known that rigid hosts, such as solid noble gases, N2, or normal-H2,...

  • Review
  • Open Access
7 Citations
6,074 Views
24 Pages

Photocatalyzed Production of Urea as a Hydrogen–Storage Material by TiO2–Based Materials

  • Felipe Matamala-Troncoso,
  • Mauricio Isaacs and
  • César Sáez-Navarrete

15 July 2022

This review analyzes the photocatalyzed urea syntheses by TiO2–based materials. The most outstanding works in synthesizing urea from the simultaneous photocatalyzed reduction of carbon dioxide and nitrogen compounds are reviewed and discussed....

  • Review
  • Open Access
7 Citations
2,557 Views
11 Pages

13 July 2022

Aerobic photo-oxidation is a kind of green catalytic process that give valuable chemicals because of its mild reaction conditions and high product selectivity. Recently, small-sized IB metal nanoparticles (NPs; e.g., Cu, Ag, and Au, sized 1–3 n...

  • Article
  • Open Access
27 Citations
4,375 Views
13 Pages

Optical and Structural Characteristics of Rare Earth-Doped ZnO Nanocrystals Prepared in Colloidal Solution

  • Maria Toma,
  • Oleksandr Selyshchev,
  • Yevhenii Havryliuk,
  • Aurel Pop and
  • Dietrich R. T. Zahn

2 July 2022

ZnO nanocrystals doped with Nd, Gd, and Er were synthesized using a soft chemical process in ambient atmosphere. Pseudospherical and hexagonal nanocrystals (NC) of the wurtzite phase with a mean size of (7.4 ± 1.7) nm were obtained. The presen...

  • Article
  • Open Access
4 Citations
2,578 Views
12 Pages

Pharmaceutical Micropollutant Treatment with UV–LED/TiO2 Photocatalysis under Various Lighting and Matrix Conditions

  • Monika Snowdon,
  • Robert Liang,
  • Jocelyn C. Van Leeuwen,
  • Olivia Schneider,
  • Abrar Khan,
  • Lena C. M. Li Chun Fong,
  • Norman Y. Zhou and
  • Mark R. Servos

1 July 2022

The persistence of pharmaceuticals and personal care products (PPCPs) in water has been a cause for concern for several years. Many studies have successfully used TiO2/UV photocatalysis to remove these compounds from water. In order to optimize these...

  • Article
  • Open Access
4 Citations
2,587 Views
14 Pages

24 June 2022

The study of local polarity at the nanoscale is of crucial importance for the development of smart drug delivery systems and photonic materials and is frequently accomplished with the use of luminescent tracer dyes. Nile Red is often used for this pu...

  • Article
  • Open Access
10 Citations
3,289 Views
10 Pages

23 June 2022

Herein we present silver nanoparticles (AgNPs)-doped inorganic–organic hybrid silica films on glass and polypropylene substrates. A hybrid inorganic–organic silica sol in alcoholic medium was prepared at room temperature using TEOS, GLYMO...

  • Article
  • Open Access
4 Citations
3,090 Views
16 Pages

UPS, XPS, NEXAFS and Computational Investigation of Acrylamide Monomer

  • Luca Evangelisti,
  • Sonia Melandri,
  • Fabrizia Negri,
  • Marcello Coreno,
  • Kevin C. Prince and
  • Assimo Maris

22 June 2022

Acrylamide is a small conjugated organic compound widely used in industrial processes and agriculture, generally in the form of a polymer. It can also be formed from food and tobacco as a result of Maillard reaction from reducing sugars and asparagin...

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Photochem - ISSN 2673-7256