{"title":"Enhancement in ZnO-based self-powered photodetector by inserting Mn dopant","authors":"","doi":"10.1016/j.physb.2024.416543","DOIUrl":null,"url":null,"abstract":"<div><p>In this study, the effect of Mn doping on the photovoltaic properties of ZnO films deposited on a p-Si substrate via spray pyrolysis has been evaluated. The Mn concentration was varied at 0, 1, and 3 wt%. The spray was carried out at 400 °C for 10 min. As a result, the X-ray diffraction pattern shows that the crystallite size decreases linearly with increasing Mn doping, from 44 nm (0% Mn) to 31 nm (3% Mn). Scanning electron microscopy images show that the increase in Mn concentration causes the nanostructure size to be smaller, from 325 nm (0% Mn) to 112.3 nm (3% Mn). Interestingly, the best photosensitivity and response time are found in the doped sample (3% Mn) at a bias voltage of 0 V rather than 1 V and 5 V, indicating the photovoltaic effect. This result is important to develop future self-powered devices.</p></div>","PeriodicalId":20116,"journal":{"name":"Physica B-condensed Matter","volume":null,"pages":null},"PeriodicalIF":2.8000,"publicationDate":"2024-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physica B-condensed Matter","FirstCategoryId":"101","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0921452624008846","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"PHYSICS, CONDENSED MATTER","Score":null,"Total":0}
引用次数: 0
Abstract
In this study, the effect of Mn doping on the photovoltaic properties of ZnO films deposited on a p-Si substrate via spray pyrolysis has been evaluated. The Mn concentration was varied at 0, 1, and 3 wt%. The spray was carried out at 400 °C for 10 min. As a result, the X-ray diffraction pattern shows that the crystallite size decreases linearly with increasing Mn doping, from 44 nm (0% Mn) to 31 nm (3% Mn). Scanning electron microscopy images show that the increase in Mn concentration causes the nanostructure size to be smaller, from 325 nm (0% Mn) to 112.3 nm (3% Mn). Interestingly, the best photosensitivity and response time are found in the doped sample (3% Mn) at a bias voltage of 0 V rather than 1 V and 5 V, indicating the photovoltaic effect. This result is important to develop future self-powered devices.
期刊介绍:
Physica B: Condensed Matter comprises all condensed matter and material physics that involve theoretical, computational and experimental work.
Papers should contain further developments and a proper discussion on the physics of experimental or theoretical results in one of the following areas:
-Magnetism
-Materials physics
-Nanostructures and nanomaterials
-Optics and optical materials
-Quantum materials
-Semiconductors
-Strongly correlated systems
-Superconductivity
-Surfaces and interfaces