New insights on large area flexible position sensitive detectors

D. Brida, E. Fortunato, H. Águas, V. Silva, A. Marques, L. Pereira, I. Ferreira, R. Martins

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)


In this paper we present an improved version of large area (5 mm × 80 mm) flexible position sensitive detectors deposited on polyimide (Kapton® VN) substrates with 75 μm thickness, produced by plasma enhanced chemical vapor deposition (PECVD). The structures presented by the sensors are Kapton/ZnO:Al/(pin)a-Si:H/Al and the heterostructure Kapton/Cr/(in)a-Si:H/ZnO:Al. These sensors were characterized by spectral response, photocurrent dependence as a function of light intensity and position detectability measurements. The set of data obtained on one-dimensional position sensitive detectors based on the heterostructure show excellent performances with a maximum spectral response of 0.12 A/W at 500 nm and a non-linearity of ±10%.

Original languageEnglish
Pages (from-to)1272-1276
Number of pages5
JournalJournal of Non-Crystalline Solids
Issue number302
Publication statusPublished - Apr 2002


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