Recent progress of heterojunction ultraviolet photodetectors: materials, integrations, and applications

J Chen, W Ouyang, W Yang, JH He… - Advanced Functional …, 2020 - Wiley Online Library
Ultraviolet photodetectors (UV PDs) with “5S”(high sensitivity, high signal‐to‐noise ratio,
excellent spectrum selectivity, fast speed, and great stability) have been proposed as …

Enhancing the photoelectric performance of photodetectors based on metal oxide semiconductors by charge‐carrier engineering

W Ouyang, F Teng, JH He… - Advanced Functional …, 2019 - Wiley Online Library
Semiconductor‐based photodetectors (PDs) convert light signals into electrical signals via
the photoelectric effect, which involves the generation, separation, and transportation of the …

Recent progress on the sensing of pathogenic bacteria using advanced nanostructures

G Sai-Anand, A Sivanesan, MR Benzigar… - Bulletin of the …, 2019 - academic.oup.com
Ailment related to pathogenic bacteria and toxins remains a significant threat to the human
body. Specifically, pathogenic bacteria are the main source of epidemic diseases and are …

Recent Progress in the Abatement of Hazardous Pollutants Using Photocatalytic TiO2-Based Building Materials

AI Gopalan, JC Lee, G Saianand, KP Lee, P Sonar… - Nanomaterials, 2020 - mdpi.com
Titanium dioxide (TiO2) has been extensively investigated in interdisciplinary research (such
as catalysis, energy, environment, health, etc.) owing to its attractive physico-chemical …

ZnO Film UV Photodetector with Enhanced Performance: Heterojunction with CdMoO4 Microplates and the Hot Electron Injection Effect of Au Nanoparticles

W Ouyang, F Teng, M Jiang, X Fang - Small, 2017 - Wiley Online Library
A novel CdMoO4–ZnO composite film is prepared by spin‐coating CdMoO4 microplates on
ZnO film and is constructed as a heterojunction photodetector (PD). With an optimized …

Visible-blind UV photodetectors using a polymer/ZnO nanocomposite thin film

B Hanna, LR Pillai, K Rajeev, KP Surendran… - Sensors and Actuators A …, 2022 - Elsevier
We report the fabrication and characterization of visible-blind UV photodetectors using thin
films of polymer/zinc oxide (ZnO) nanocomposites. Polymer-ZnO nanocomposites based on …

Current advancements on charge selective contact interfacial layers and electrodes in flexible hybrid perovskite photovoltaics

G Saianand, P Sonar, GJ Wilson, AI Gopalan… - Journal of Energy …, 2021 - Elsevier
Perovskite-based photovoltaic materials have been attracting attention for their strikingly
improved performance at converting sunlight into electricity. The beneficial and unique …

Self-powered high-performance ultraviolet C photodetector based on poly (9-vinyl carbazole)/SnO2 quantum dot heterojunction

E Park, T Park, H Yoo, J Hur - Journal of Alloys and Compounds, 2022 - Elsevier
Ultraviolet C (UVC) photodetectors have attracted significant attention recently owing to the
importance of UVC detection for preventing human skin damage, monitoring environmental …

Manganese and graphene included titanium dioxide composite nanowires: Fabrication, characterization and enhanced photocatalytic activities

JC Lee, AI Gopalan, G Saianand, KP Lee, WJ Kim - Nanomaterials, 2020 - mdpi.com
We report the detailed microstructural, morphological, optical and photocatalytic studies of
graphene (G) and manganese (Mn) co-doped titanium dioxide nanowires (TiO2 (G–Mn) …

Optimization and modeling of efficient photocatalytic TiO2-ZnO composite preparation parameters by response surface methodology

K Kighuta, AI Gopalan, DE Lee, G Saianand… - Journal of …, 2021 - Elsevier
The major focus of this work is the design and optimization of the preparation conditions of
binary titanium dioxide-zinc oxide (TiO 2-ZnO) composite using response surface …