English
Related papers

Related papers: Role of Defects in Photocatalytic Water Splitting:…

200 papers

Titanium dioxide (TiO$_2$) thin films are commonly used as photocatalytic materials. Here, we enhance the photocatalytic activity of devices based on TiO$_2$ by combining nanostructured glass substrates with metallic plasmonic…

Monoclinic bismuth vanadate (BiVO$_4$) is a promising $n$-type semiconductor for applications in sunlight-driven water splitting. Several studies have shown that its photocatalytic activity is greatly enhanced by high concentrations of Mo…

Materials Science · Physics 2020-12-08 Enesio Marinho , Cedric Rocha Leão

In2O3 is a prototype wide-band-gap semiconductor that exhibits metallic conductivity when highly doped with Sn while retaining a high degree of transparency to visible light. It is widely used as a transparent window/electrode in solar…

Materials Science · Physics 2019-03-27 Fernando P. Sabino , Su-Huai Wei , Anderson Janotti

Hot electrons play a crucial role in enhancing the efficiency of photon-to-current conversion or photocatalytic reactions. In semiconductor nanocrystals, energetic hot electrons capable of photoemission can be generated via the upconversion…

Chemical Physics · Physics 2022-09-07 Chih-Wei Wang , Xiaohan Liu , Tian Qiao , Mohit Khurana , Alexey V. Akimov , Dong Hee Son

Recent synthesis of monolayer fullerene networks [$Nature$ 606, 507 (2022)] provides new opportunities for photovoltaics and photocatalysis because of their versatile crystal structures for further tailoring of electronic, optical and…

Materials Science · Physics 2023-12-29 Cory Jones , Bo Peng

We investigated temperature dependent optical conductivity spectra of Nd0.7Sr0.3MnO3 single crystal. We found that polishing and surface scattering effects on the Nd0.7Sr0.3MnO3 crystal surfaces could significantly distort the optical…

Strongly Correlated Electrons · Physics 2007-05-23 H. J. Lee , J. H. Jung , Y. S. Lee , J. S. Ahn , T. W. Noh , K. H. Kim , S-W. Cheong

Achieving both broad solar-spectrum absorption and strong redox capability is critical for semiconductor photocatalysts in environmental remediation and energy conversion. Herein, an S-scheme heterojunction photocatalyst is constructed by…

Materials Science · Physics 2026-03-31 Xiaoyi Zhou , Min Zhang , Qiushi Wang , Shiwen Du , Xuedong Jing , Zhenyi Zhang

The present work reports on the enhancement of TiO2 nanotubes photoelectrochemical water splitting rate by decorating the nanostructure with an amine layer in a hydrothermal process using diethylenetriamine (DETA). The aminate coated TiO2…

Materials Science · Physics 2016-10-14 Seyedsina Hejazi , Nhat Truong Nguyen , Anca Mazare , Patrik Schmuki

Photocatalytic water splitting is an effective way to obtain renewable clean energy. The challenge is to design tunable photocatalyst to meet the needs in different environments. At the same time, the oxygen and hydrogen evolution reactions…

Materials Science · Physics 2022-09-12 Qi-Wen He , Yang Wu , Chun-Hua Yang , He-Na Zhang , Dai-Song Tang , Cailong Liu , Xiao-Chun Wang

Photocatalytic CO2 reduction is limited by inefficient CO2 activation and poor solar spectrum utilization. Here, we discovered and revealed the vibration coupling mechanism among photons, phonons, and molecules, which remarkably enhances…

Materials Science · Physics 2025-08-28 Chen Sun , Yimin Xuan

Since the discovery of its photovoltaic properties organometallic salt CH$_3$NH$_3$PbI$_3$ became the subject of vivid interest. The material exhibits high light conversion efficiency, it lases in red color, and it can serve as the basis…

Materials Science · Physics 2016-04-21 M. Spina , L. Mihály , K. Holczer , B. Náfrádi , A. Pisoni , L. Forró , E. Horváth

The system of CH$_3$I adsorbed on submonolayer, monolayer and multilayer thin films of D$_2$O on Cu(110) has been studied by measuring the time-of-flight (TOF) distributions of the desorbing CH$_3$ fragments after photodissociation using…

Chemical Physics · Physics 2021-01-18 E. R. Miller , G. D. Muirhead , E. T. Jensen

Band gap engineering in SrTiO${}_{3}$ and related titanate perovskites has long been explored due to the intriguing properties of the materials for photocatalysis and photovoltaic applications. A popular approach in the materials chemistry…

Materials Science · Physics 2016-01-12 Ryan B. Comes , Tiffany C. Kaspar , Steve M. Heald , Mark E. Bowden , Scott A. Chambers

Nb3O2(OH) has emerged as a highly attractive photocatalyst based on its chemical stability, energetic band positions, and large active lattice sites. Compared to other various photocatalytic semiconductors, it can be synthesized easily.…

Materials Science · Physics 2025-02-17 Wilayat Khan , Alishba Tariq , Jan Minar , Sawera Durrani , Abdul Raziq , Sikander Azam , Khalid Saeed

Photocatalytic water splitting represents a very promising but at the same time very challenging contribution to a clean and renewable route to produce hydrogen fuel. Developing efficient and cost-effective photocatalysts for water…

Materials Science · Physics 2023-01-12 Manjari Jain , Deepika Gill , Sanchi Monga , Saswata Bhattacharya

We present the GGA+U calculations to investigate the electronic structure and visible light absorption of the N, B-codoped anatase TiO2. The NsBi (substitutional N, interstitial B) codoped TiO2 produces significant Ti 3d and N 2p mid-gap…

Materials Science · Physics 2015-08-10 Meili Guo , Xiao-Dong Zhang , Jiulin Du

The properties of Ni-doped strontium titanate are studied using X-ray diffraction and XAFS spectroscopy. It is shown that regardless of the preparation conditions, the SrTi1-xNixO3 solid solution and the NiTiO3 phase are the most stable…

Materials Science · Physics 2014-05-13 Irina A. Sluchinskaya , Alexander I. Lebedev , Alexei Erko

We investigate energetic stability and dissociation dynamics of water adsorption at the LaAlO3 surface of the n-type LaAlO3/SrTiO3 (LAO/STO) interface and its effect on electronic properties of the interface by carrying out first-principles…

Materials Science · Physics 2015-06-15 Yun Li , Jaejun Yu

Layered tin monoxide (SnO) offers an exciting two-dimensional (2D) semiconducting system with great technological potential for next-generation electronics and photocatalytic applications. Using a combination of first-principles simulations…

Materials Science · Physics 2022-02-02 Devesh R. Kripalani , Ping-Ping Sun , Pamela Lin , Ming Xue , Kun Zhou

Organic photodetectors (OPDs) possess bright prospects in applications of medical imaging and wearable electronics due to the advantages such as low cost, good biocompatibility, and good flexibility. Photomultiplication OPDs (PM-OPDs)…