{"title":"Al/PCBM/WSe2:MXene/PTPD/ITO Flexible Broadband Photodetector","authors":"Tulika Bajpai;Shweta Tripathi","doi":"10.1109/LPT.2025.3605019","DOIUrl":null,"url":null,"abstract":"This letter demonstrates a broadband photodetector based on a <inline-formula> <tex-math>$\\text { ITO/Poly-TPD/WSe}_{\\mathbf {2}}$ </tex-math></inline-formula>:MXene/PCBM/Al architecture. The dispersion method prepared Poly-TPD (PTPD) and PCBM functions as hole transport layer (HTL) and electron transport layer (ETL) while <inline-formula> <tex-math>$\\text {WSe}_{\\mathbf {2}}$ </tex-math></inline-formula>:MXene nanocomposite (NC) serves as the active layer in the device. The film deposition is executed using spin coater whereas Al electrode deposition is performed in thermal evaporation chamber using shadow masking approach. At 350 nm (UV), 400 nm (visible), and 1450 nm (IR), the suggested photodetector shows maximum responsivity (A/W) of 2354, 2425, and 736.7 for −1V bias at a fixed optical power of <inline-formula> <tex-math>$0.118~\\mu $ </tex-math></inline-formula>W. The interfacial layers (ETL/HTL) and <inline-formula> <tex-math>$\\text {WSe}_{\\mathbf {2}}$ </tex-math></inline-formula>:MXene nanocomposite shows promising characteristic for the use in optoelectronic applications.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 24","pages":"1397-1400"},"PeriodicalIF":2.5000,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Photonics Technology Letters","FirstCategoryId":"5","ListUrlMain":"https://ieeexplore.ieee.org/document/11146766/","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
This letter demonstrates a broadband photodetector based on a $\text { ITO/Poly-TPD/WSe}_{\mathbf {2}}$ :MXene/PCBM/Al architecture. The dispersion method prepared Poly-TPD (PTPD) and PCBM functions as hole transport layer (HTL) and electron transport layer (ETL) while $\text {WSe}_{\mathbf {2}}$ :MXene nanocomposite (NC) serves as the active layer in the device. The film deposition is executed using spin coater whereas Al electrode deposition is performed in thermal evaporation chamber using shadow masking approach. At 350 nm (UV), 400 nm (visible), and 1450 nm (IR), the suggested photodetector shows maximum responsivity (A/W) of 2354, 2425, and 736.7 for −1V bias at a fixed optical power of $0.118~\mu $ W. The interfacial layers (ETL/HTL) and $\text {WSe}_{\mathbf {2}}$ :MXene nanocomposite shows promising characteristic for the use in optoelectronic applications.
期刊介绍:
IEEE Photonics Technology Letters addresses all aspects of the IEEE Photonics Society Constitutional Field of Interest with emphasis on photonic/lightwave components and applications, laser physics and systems and laser/electro-optics technology. Examples of subject areas for the above areas of concentration are integrated optic and optoelectronic devices, high-power laser arrays (e.g. diode, CO2), free electron lasers, solid, state lasers, laser materials'' interactions and femtosecond laser techniques. The letters journal publishes engineering, applied physics and physics oriented papers. Emphasis is on rapid publication of timely manuscripts. A goal is to provide a focal point of quality engineering-oriented papers in the electro-optics field not found in other rapid-publication journals.