Single-molecule studies beyond optical imaging: Multi-parameter single-molecule spectroscopy
Publication date: Available online 5 December 2017 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews Author(s): Martin Vacha, Dharmendar Kumar Sharma, Shuzo Hirata Single molecule spectroscopy has undergone a remarkable development in the past few decades, and its ability to unmask the unique features of individual molecules has found increasing use in research of soft matter and polymers, in chemistry, as well as in biophysics and biology. In this concise review we bring an overview of the synergy effects that result from combinations of single-molecule and single-particle fluorescence spect...
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - December 7, 2017 Category: Chemistry Source Type: research

Frontiers, opportunities, and challenges in perovskite solar cells: A critical review
Publication date: June 2018 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews, Volume 35 Author(s): Mohammed Istafaul Haque Ansari, Ahsanulhaq Qurashi, Mohammad Khaja Nazeeruddin The breakthrough discovery of organic-inorganic hybrid perovskite materials for converting solar energy into electrical energy has revolutionized the third generation photovoltaic devices. Within less than half a decade of rigorous research and development in perovskite solar cells, the efficiency is boosted upto 22%. Aforesaid high PCE is accredited to high optical absorption properties, balanced charge transport pr...
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - December 2, 2017 Category: Chemistry Source Type: research

Lanthanide complex-derived white-light emitting solids: a survey on design strategies
Publication date: Available online 11 November 2017 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews Author(s): Sunil SeethaLekshmi, A.R. Remya, M.L.P. Reddy, Sunil Varughese Solid-state materials with tunable light emission characteristics offer an attractive prospect. Unique luminescence features of trivalent lanthanide (LnIII) ions—sharp characteristic emission in the visible and near-infrared (NIR) spectral regions, exceptional color purity, long luminescence lifetimes, high quantum yield and large Stokes shifts—afford them as promising white-light source materials. The review provi...
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - November 12, 2017 Category: Chemistry Source Type: research

Interfacial charge transfer in semiconductor-molecular photocatalyst systems for proton reduction
Publication date: Available online 3 November 2017 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews Author(s): Xiuli Wang, Can Li Solar fuels have proven to be one of the important promising approaches to provide clean energy of H2. It is an effective strategy for H2 production to construct photocatalytic systems using semiconductor as a sensitizer and molecular catalyst as the H2 evolution catalyst. In the semiconductor-molecular photocatalyst systems (SMP systems) for proton reduction, the interfacial charge transfer, including electron and hole transfer, is the determining factor for the p...
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - November 4, 2017 Category: Chemistry Source Type: research

The Patern ò-Büchi reaction—Mechanisms and application to organic synthesis
Publication date: December 2017 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews, Volume 33 Author(s): Maxime Fréneau, Norbert Hoffmann The [2+2] photocycloaddition between an electronically excited carbonyl compound and an alkene leading to oxetanes (Paternò-Büchi reaction) is one of the most investigated organic photochemical reaction. Regio-, stereo- and site selectivities are discussed as a consequence of the reaction mechanism. Spin multiplicity and electron transfer have a significant impact on the outcome of the reaction. Typical carbonyl and alkene reaction partners are presented i...
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - October 29, 2017 Category: Chemistry Source Type: research

Prospects of Electrochemically Synthesized Hematite Photoanodes for Photoelectrochemical Water Splitting: A Review
Publication date: Available online 10 October 2017 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews Author(s): Yi Wen Phuan, Wee-Jun Ong, Meng Nan Chong, Joey D. Ocon Hematite (α-Fe2O3) is found to be one of the most promising photoanode materials used for the application in photoelectrochemical (PEC) water splitting due to its narrow band gap energy of 2.1eV, which is capable to harness approximately 40% of the incident solar light. This paper reviews the state-of-the-art progress of the electrochemically synthesized pristine hematite photoanodes for PEC water splitting. The fundamental p...
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - October 11, 2017 Category: Chemistry Source Type: research

Tracing photoionisation behaviour of methyl iodide in gas phase: From isolated molecule to molecular aggregate
Publication date: December 2017 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews, Volume 33 Author(s): Soumitra Das, Pramod Sharma, Rajesh K. Vatsa Methyl iodide (CH3I) is one of the most studied molecule in the field of photochemistry. This molecule has been investigated by a variety of light sources including lamps, different lasers as well as synchrotron radiation of varying intensity and wavelength. In this review, photoionisation studies of CH3I have been summarised for monomer (CH3I) and its aggregates i.e., cluster (CH3I)n which were excited with a range of photon energy and intensity...
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - October 7, 2017 Category: Chemistry Source Type: research

Tracing photionisation behaviour of methyl iodide in gas phase: From isolated molecule to molecular aggregate
Publication date: Available online 21 September 2017 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews Author(s): Soumitra Das, Pramod Sharma, Rajesh K. Vatsa Methyl iodide (CH3I) is one of the most studied molecule in the field of photochemistry. This molecule has been investigated by a variety of light sources including lamps, different lasers as well as synchrotron radiation of varying intensity and wavelength. In this review, photoionisation studies of CH3I have been summarised for monomer (CH3I) and its aggregates i.e., cluster (CH3I)n which were excited with a range of photon energy and...
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - September 22, 2017 Category: Chemistry Source Type: research

[FeFe]-Hydrogenase and its organic molecule mimics −artificial and bioengineering application for hydrogen production
This study focuses on [FeFe]-hydrogenase and its metallorganic mimics in terms of electronic and photophysical properties, which can be applied to the electrochemical and/or photochemical production of molecular hydrogen. Natural [FeFe]-hydrogenase, synthetic mimics of its active site and recent progresses in hybrid-type hydrogen production, for example, inorganic-combination photoelectrochemical and photochemical hydrogen production, are reviewed. Graphical abstract (Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews)
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - September 19, 2017 Category: Chemistry Source Type: research

Inorganic semiconductors-graphene composites in photo(electro)catalysis: Synthetic strategies, interaction mechanisms and applications
Publication date: Available online 15 June 2017 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews Author(s): Lütfiye Yıldız Ozer, Corrado Garlisi, Habeebllah Oladipo, Mario Pagliaro, Saad Asadullah Sharief, Ahmed Yusuf, Saif Almheiri, Giovanni Palmisano The remarkable physicochemical properties of graphene (GR) and derivatives can be leveraged in the photocatalytic activity of GR-semiconductor photocatalysts. The hitherto state of knowledge on the role of GR in these composite materials is insufficient and leaves many questions unanswered, thus it is imperative to fully understand the...
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - June 22, 2017 Category: Chemistry Source Type: research

Fluorescent Chemosensors for Copper(II) Ion: Structure, Mechanism and Application
Publication date: Available online 17 June 2017 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews Author(s): Shuo Liu, Yan-Mei Wang, Jie Han Among the transition metal ions, copper is the third most abundant essential trace metal element in human body, and is also required by many living organisms for normal physiological processes, while excessive levels of Cu2+ are highly toxic to organisms and generate enormous quantities of pollution to our living environment. It is an essential and key issue to devise more sensitive and selective fluorescent chemosensors to efficiently evaluate the Cu2+ ...
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - June 20, 2017 Category: Chemistry Source Type: research

Inorganic Semiconductors —Graphene Composites in Photo(electro)catalysis: Synthetic Strategies, Interaction Mechanisms and Applications
Publication date: Available online 15 June 2017 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews Author(s): Lütfiye Yıldız Ozer, Corrado Garlisi, Habeebllah Oladipo, Mario Pagliaro, Saad Asadullah Sharief, Ahmed Yusuf, Saif Almheiri, Giovanni Palmisano The remarkable physicochemical properties of graphene (GR) and derivatives can be leveraged in the photocatalytic activity of GR-semiconductor photocatalysts. The hitherto state of knowledge on the role of GR in these composite materials is insufficient and leaves many questions unanswered, thus it is imperative to fully understand the...
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - June 16, 2017 Category: Chemistry Source Type: research

Corrigendum to “Photochemistry and photo-electrochemistry on synthetic semiconducting diamond” [J. Photochem. Photobiol. C: Photochem. Rev. 31 (2017) 139–152]
Publication date: Available online 7 June 2017 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews Author(s): Daibing Luo, Kazuya Nakata, Akira Fujishima, Shanhu Liu (Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews)
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - June 8, 2017 Category: Chemistry Source Type: research

High-efficiency light emission by means of exciton –surface-plasmon coupling
Publication date: Available online 3 June 2017 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews Author(s): Koichi Okamoto, Mitsuru Funato, Yoichi Kawakami, Kaoru Tamada Coupling between surface plasmons (SPs) and excitons can be used to enhance the emission efficiencies of light-emitting materials and devices. This approach had been theoretically predicted and, in 2004, was experimentally demonstrated by our group for enhancing the visible emission from InGaN/GaN quantum wells (QWs). Exciton–SP coupling increases the spontaneous emission rates of the excited states, causes a relative redu...
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - June 4, 2017 Category: Chemistry Source Type: research

Optical Characterization of Chiral Plasmonic Nanostructures
Publication date: Available online 27 May 2017 Source:Journal of Photochemistry and Photobiology C: Photochemistry Reviews Author(s): Kyle Smith, Stephan Link, Wei-Shun Chang Chiral plasmonic nanomaterials can have circular dichroism and optical rotatory dispersion effects orders of magnitude larger than those observed in ordinary chiral molecules. Understanding this fascinating class of materials has proved challenging and has motivated several research groups to develop entirely new experimental techniques for characterizing chirality driven optical properties. In this review, we first describe the classical method ...
Source: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - May 28, 2017 Category: Chemistry Source Type: research