Optical readout in pinpi'n and pini'p imagers: A comparison

P Louro, M Vieira, Y Vygranenko… - MRS Online …, 2007 - cambridge.org
Optimized a-SiC: H multilayer devices based on two different tandem configurations
(TCO/pinpi'n/TCO and TCO/pini'p/TCO) are compared and tested for proper image …

Large area pin flexible image sensors

M Vieira, P Louro, M Fernandes, R Schwarz… - MRS Online …, 2004 - cambridge.org
Large area pin image sensors deposited on plastic substrates were produced at low
temperatures (110° C) by PE-CVD and compared with similar sensors deposited on glass …

µc-Si: H Thin-Film Devices for Optical Image Recognition

A Maçarico, M Fernandes, J Martins… - MRS Online Proceedings …, 1998 - cambridge.org
A study of an image detector based on µc-Si: H pin structures is presented. The
photodetector has a TCO/µc-pin Si: H configuration with two coplanar metallic contacts and …

Interface Engineering and Practical Applications of Amorphous Silicon Based Opto-electronic Devices for Large-Area Electronics

Q Cui - 2019 - deepblue.lib.umich.edu
In this dissertation, we extensively studied intrinsic amorphous silicon (a-Si) hybrid structure
with inorganic/organic materials and explored the potential practical applications …

Colour filtering in a-SiC: H based pinpin cells: A trade-off between bias polarity and absorption regions

M Vieira, A Fantoni, P Louro, M Fernandes… - Sensors and Actuators A …, 2006 - Elsevier
A large area colour imager optically addressed is presented. The colour imager consists of a
thin wide band gap pin a-SiC: H filtering element deposited on the top of a thick large area a …

Optical Image and Color Recognition Using Monolithic Tandem Pinip and Pinpin Heterojunctions: A Comparison

P Louro, M Vieira, AS Garcao… - 2007 International …, 2007 - ieeexplore.ieee.org
Optimized a-SiC: H multilayer devices based on two different tandem configurations
(TCO/pinpi'n/TCO and TCO/pini'p/TCO) are compared and tested for proper image …

Preliminary results on large area X-ray a-SiC: H multilayer detectors with optically addressed readout

M Vieira, Y Vygranenko, M Fernandes… - MRS Online …, 2007 - cambridge.org
This paper investigates a feasibility of using a large area image sensor with an optically
addressed readout for medical X-ray diagnostic imaging. A device prototype comprises a …

Stacked Photo-Sensing Devices Based on SiC Alloys: A Non-pixelled Architecture for Imagers and Demultiplexing Devices

M Vieira, P Louro, M Fernandes… - 2010 Fourth …, 2010 - ieeexplore.ieee.org
In this review paper different designs based on stacked pi'-npin heterojunctions are
presented and compared with the single pin sensing structures. The imagers utilise self-field …

Reviewing photo-sensing devices using a-SiC based materials

M Vieira, M Fernandes, P Louro, A Fantoni… - MRS Online …, 2010 - cambridge.org
In this paper a double pi'n/pin a-SiC: H voltage and optical bias controlled device is
presented and it behavior as image and color sensor, optical amplifier and …

Multispectral Structures for Imaging Applications

M Vieira, A Fantoni, M Fernandes… - … Conference on Sensor …, 2007 - ieeexplore.ieee.org
Results on the optimization of an pinpii'n type a-Si: H based three color detector with voltage
controlled spectral sensitivity are presented. The sensor element consists of a glass/ITO/pin …