Silicon Photodetectors

doi:10.1002/9781119945161.ch8

Cited by 32 publications

(1 citation statement)

References 53 publications

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“…For these new systems in the More-than-Moore ITRS (International Technology Roadmap of Semiconductors) [1] scenario, diverse materials including silicon (Si) [2], silicon dioxide (SiO 2 ) [3] and Pyrex glass [4] are commonly used for the assembly of integrated heterogeneous systems. For example, the heterogeneous integration of silicon-based electronics with photonics components [5,6], MEMS components such as electrokinetic pumps or cell processing modules, polymerbased filtration systems [7,8], and silicon-or polymer-based sensors with microfabricated reference electrodes [7,9,10], all require the bonding of one substrate to another. Examples of commonly-used substrates include silicon, silicon dioxide or glass, on which the electronics, photonics, MEMS or fluidic components or modules are fabricated and subsequently integrated to create lab-on-chip sensing [7] or imaging [11] systems.…”

Section: Introductionmentioning

confidence: 99%

The effects of oxygen plasma and humidity on surface roughness, water contact angle and hardness of silicon, silicon dioxide and glass

Alam¹,

Howlader²,

Deen³

2014

J. Micromech. Microeng.

104

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For heterogeneous integration in many More-than-Moore applications, surface preparation is the key step to realizing well-bonded multiple substrates for electronics, photonics, fluidics and/or mechanical components without a degradation in performance. Therefore, it is critical to understand how various processing and environmental conditions affect their surface properties. In this paper, we investigate the effects of oxygen plasma and humidity on some key surface properties such as the water contact angle, roughness and hardness of three materials: silicon (Si), silicon dioxide (SiO 2) and glass, and their impact on bondability. The low surface roughness, high surface reactivity and high hydrophilicity of Si, SiO 2 and glass at lower activation times can result in better bondability. Although, the surface reactivity of plasma-ambient-humidity-treated Si and SiO 2 is considerably reduced, their reduction of roughness and increase of hydrophilicity may enable good bonding at low temperature heating due to augmented hydroxyl groups. The decrease of hardness of Si and SiO 2 with increased activation time is attributed to higher surface roughness and the formation of amorphous layers of Si. While contact angle and surface roughness results show a correlation with bondability, the role of hardness on bondability requires further investigation.

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Section: Introductionmentioning

confidence: 99%

The effects of oxygen plasma and humidity on surface roughness, water contact angle and hardness of silicon, silicon dioxide and glass

Alam¹,

Howlader²,

Deen³

2014

J. Micromech. Microeng.

104

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Photodiodes embedded within electronic textiles

Satharasinghe

Hughes‐Riley

Dias

2018

Sci Rep

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A novel photodiode-embedded yarn has been presented and characterized for the first time, offering new possibilities for applications including monitoring body vital signs (including heart rate, blood oxygen and skin temperature) and environmental conditions (light, humidity and ultraviolet radiation). To create an E-Textile integrated with electronic devices that is comfortable, conformal, aesthetically pleasing and washable, electronic components are best integrated within the structure of a textile fabric in yarn form. The device is first encapsulated within a protective clear resin micro-pod before being covered in a fibrous sheath. The resin micro-pod and covering fibres have a significant effect on the nature of light received by the photoactive region of the device. This work characterised the effects of both encapsulating photodiodes within resin micro-pods and covering the micro-pod with a fibrous sheath on the opto-electronic parameters. A theoretical model is presented to provide an estimate for these effects and validated experimentally using two photodiode types and a range of different resin micro-pods. This knowledge may have wider applications to other devices with small-scale opto-electronic components. Wash tests confirmed that the yarns could survive multiple machine wash and drying cycles without deterioration in performance.

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GeSn/SiGeSn RCE photodetectors: A comparative study based on Franz-Keldysh effect and quantum confined stark effect

Chakraborty

Mukhopadhyay

Basu

2012

2012 5th International Conference on Computers and Devices for Communication (CODEC)

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Ge-based photodetectors are currently studied for providing cheap solution to long haul and short distance communication and optical interconnects. Tensile strained Ge layers grown with suitable barriers show direct gap type I band alignment. We have worked on resonant cavity enhanced (RCE) photodetectors using GeSn/SiGeSn type I structure. Performance of photodetectors using strong Quntum Confined Stark Effect, and Franz-Keldysh Effect in these structures and properties related to photodetection are studied in this paper.

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Silicon Photodetectors

Cited by 32 publications

References 53 publications

The effects of oxygen plasma and humidity on surface roughness, water contact angle and hardness of silicon, silicon dioxide and glass

The effects of oxygen plasma and humidity on surface roughness, water contact angle and hardness of silicon, silicon dioxide and glass

Photodiodes embedded within electronic textiles

GeSn/SiGeSn RCE photodetectors: A comparative study based on Franz-Keldysh effect and quantum confined stark effect

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