Enhancing photoresponsivity of self-powered UV photodetectors based on electrochemically reduced TiO2 nanorods

RSC Advances ◽  
2015 ◽  
Vol 5 (116) ◽  
pp. 95939-95942 ◽  
Author(s):  
Pengli Yan ◽  
Yihui Wu ◽  
Guiji Liu ◽  
Ailong Li ◽  
Hongxian Han ◽  
...  
Keyword(s):  
Charge Separation ◽  
Tio2 Nanorods ◽  
Uv Photodetectors ◽  
Electrolyte Interface ◽  
Self Powered

Enhanced photoresponsivity of the R-NRA device is due to the enhancement of charge separation and transfer at the electrode/electrolyte interface.

p-GaN/n-ZnO nanorods: the use of graphene nanosheets composites to increase charge separation in self-powered visible-blind UV photodetectors

2018 ◽  
Vol 29 (44) ◽  
pp. 445201 ◽  
Author(s):  
Chun-Ying Huang ◽  
Chun-Chieh Kang ◽  
Yu-Chi Ma ◽  
Yu-Cheng Chou ◽  
Jian-Huei Ye ◽  
...  
Keyword(s):  
Charge Separation ◽  
Graphene Nanosheets ◽  
Zno Nanorods ◽  
Uv Photodetectors ◽  
Self Powered ◽  
Visible Blind

scholarly journals Two‐Dimensional Bis(dithiolene)iron(II) Self‐Powered UV Photodetectors with Ultrahigh Air Stability

2021 ◽  
pp. 2100564
Author(s):  
Ying‐Chiao Wang ◽  
Chun‐Hao Chiang ◽  
Chi‐Ming Chang ◽  
Hiroaki Maeda ◽  
Naoya Fukui ◽  
...  
Keyword(s):  
Two Dimensional ◽  
Uv Photodetectors ◽  
Self Powered

High performance self-powered CuZnS/GaN UV photodetectors with ultrahigh on/off ratio (3 × 108)

2021 ◽  
Vol 9 (14) ◽  
pp. 4799-4807
Author(s):  
Yong Zhang ◽  
Weidong Song
Keyword(s):  
Chemical Bath Deposition ◽  
High Performance ◽  
Response Speed ◽  
Fast Response ◽  
Uv Photodetector ◽  
Uv Photodetectors ◽  
Simple Chemical ◽  
Self Powered

P-CuZnS/n-GaN UV photodetector is prepared by a simple chemical bath deposition, showing excellent self-powered properties, including ultrahigh on/off ratio (3 × 108), fast response speed (0.14/40 ms) and large detectivity of 3 × 1013 Jones.

Light induced formation of a surface heterojunction in photocharged CuWO4 photoanodes

2019 ◽  
Vol 215 ◽  
pp. 175-191 ◽  
Author(s):  
Anirudh Venugopal ◽  
Wilson A. Smith
Keyword(s):  
Water Oxidation ◽  
Oxidation Kinetics ◽  
Charge Separation ◽  
Electrolyte Interface

Photocharging of CuWO4 photoanodes enhances its water oxidation kinetics as a result of improved charge separation near the electrode/electrolyte interface post photocharging.

Self-powered High-performance Flexible GaN/ZnO Heterostructure UV Photodetectors with Piezo-phototronic Effect Enhanced Photoresponse

Nano Energy ◽  
2022 ◽  
pp. 106945
Author(s):  
Yiyao Peng ◽  
Junfeng Lu ◽  
Xiandi Wang ◽  
Wenda Ma ◽  
Miaoling Que ◽  
...  
Keyword(s):  
High Performance ◽  
Uv Photodetectors ◽  
Self Powered

Surface polaron states on single-crystal rutile TiO2 nanorod arrays enhancing charge separation and transfer

2020 ◽  
Vol 49 (42) ◽  
pp. 15054-15060
Author(s):  
Qimeng Yang ◽  
Heng Zhu ◽  
Yanghui Hou ◽  
Duanduan Liu ◽  
Huang Tang ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Single Crystal ◽  
Charge Separation ◽  
Nanorod Arrays ◽  
Rutile Tio2 ◽  
Electron Transfer Pathway ◽  
Tio2 Nanorod ◽  
Electrolyte Interface ◽  
Tio2 Nanorod Arrays

Polaron states on single-crystal TiO2 photoanodes provide an important electron transfer pathway at the electrode–electrolyte interface.

Efficiency enhancement of TiO2self-powered UV photodetectors using a transparent Ag nanowire electrode

2018 ◽  
Vol 6 (13) ◽  
pp. 3334-3340 ◽  
Author(s):  
Jinzhuo Xu ◽  
Wei Yang ◽  
Hongyu Chen ◽  
Lingxia Zheng ◽  
Mingxiang Hu ◽  
...  
Keyword(s):  
Efficiency Enhancement ◽  
Metal Contacts ◽  
Uv Photodetectors ◽  
Ag Nanowires ◽  
Design Solutions ◽  
Self Powered ◽  
Ag Nanowire

We realized design solutions to enhance the photoresponsive performance of self-powered TiO2UV photodetectors by employing Ag nanowires as metal contacts.

Heterostructured TiO2/MgO nanowire arrays for self-powered UV photodetectors

RSC Advances ◽  
2016 ◽  
Vol 6 (89) ◽  
pp. 85951-85957 ◽  
Author(s):  
Shiming Ni ◽  
Qingjiang Yu ◽  
Yuewu Huang ◽  
Jianan Wang ◽  
Lin Li ◽  
...  
Keyword(s):  
Fast Response ◽  
Nanowire Arrays ◽  
Uv Photodetectors ◽  
High Responsivity ◽  
Spectral Selectivity ◽  
Self Powered

A heterostructured TiO2/MgO NWAs based UVPD exhibits a high responsivity and fast response, together with excellent spectral selectivity.

A single-interface photoelectrochemical sensor based on branched TiO2 nanorods@strontium titanate for the detection of two biomarkers

2018 ◽  
Vol 6 (28) ◽  
pp. 4697-4703 ◽  
Author(s):  
Jie Xue ◽  
Chaomin Gao ◽  
Lina Zhang ◽  
Kang Cui ◽  
Wenxing He ◽  
...  
Keyword(s):  
Strontium Titanate ◽  
Charge Separation ◽  
Alpha Fetoprotein ◽  
Tio2 Nanorods ◽  
Cancer Antigen ◽  
Single Interface ◽  
Photoelectrochemical Sensor ◽  
Photogenerated Charge Separation

Based on the enhanced photogenerated charge-separation properties of B-TiO2 NRs@SrTiO3 heterostructures, a photoelectrochemical sensor for detecting alpha fetoprotein and cancer antigen 153 at a single interface was first established.

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