This is the authors‘ version (post peer-review) of the manuscript: Yue Niu et al. Advanced Optical Materials 6(19) 1800351 (2018) https://doi.org/10.1002/adom.201800351 That has been published in its final form: https://onlinelibrary.wiley.com/doi/abs/10.1002/adom.201800351 Polarization-sensitive and broadband photodetection based on a mixed- dimensionality TiS3/Si p-n junction Yue Niu1,2, Riccardo Frisenda2*, Eduardo Flores3, Jose R. Ares3, Weicheng Jiao1, David Perez de Lara2, Carlos Sanchez3,4, Rongguo Wang1, Isabel J. Ferrer3,4* and Andres Castellanos-Gomez5* 1Science and Technology on Advanced Composites in Special Environments Laboratory, Harbin Institute of Technology, 150080, Harbin, P. R. China 2Madrid Institute for Advanced Studies (IMDEA Nanociencia). Ciudad Universitaria de Cantoblanco
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Polarization‐Sensitive and Broadband Photodetection Based on a Mixed‐Dimensionality TiS₃/Si p–n Junction
Yue Niu, Riccardo Frisenda, Eduardo Flores, Jose R. Ares, Weicheng Jiao, David Perez de Lara, Carlos Sánchez, Rongguo Wang, Isabel J. Ferrer, Andres Castellanos‐Gomez
Research context
Abstract The capability to detect the polarization state of light is crucial in many day‐life applications and scientific disciplines. Novel anisotropic 2D materials such as TiS3 combine polarization sensitivity, given by the in‐plane optical anisotropy, with excellent electrical properties. Here, the fabrication of a monolithic polarization‐sensitive broadband photodetector based on a mixed‐dimensionality TiS3/Si p–n junction is demonstrated. The fabricated devices show broadband responsivity up to 1050 nm, a strong sensitivity to linearly polarized illumination with difference between the two orthogonal polarization states up to 350%, and a good detectivity and fast response time. The discussed devices can be used as building blocks to fabricate more complex polarization‐sensitive systems such as polarimeters.
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Yue Niu, Riccardo Frisenda, Eduardo Flores, Jose R. Ares, Weicheng Jiao, David Perez de Lara, Carlos Sánchez, Rongguo Wang, Isabel J. Ferrer, Andres Castellanos‐Gomez. Polarization‐Sensitive and Broadband Photodetection Based on a Mixed‐Dimensionality TiS₃/Si p–n Junction. Advanced Optical Materials (2018). https://doi.org/10.1002/adom.201800351
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