'Hole diffusion' diaporamas de présentation

Semiconductor Device Physics

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CHAPTER 5 Carrier Transport Phenomena (An importat chapter)

CHAPTER 5 Carrier Transport Phenomena (An importat chapter). Describe the mechanism of carrier drift and induced drift current due to an applied electric field. Define and describe the characteristics of carrier mobility .

1.11k views • 21 slides

Numerical Modeling of Photovoltaic Applications

Numerical Modeling of Photovoltaic Applications. Assis. Prof. Antonis Papadakis. OUTLINE OF PRESENTATION. INTRODUCTION. MODEL DESCRIPTION. TRANSPORT PROPERTIES. CONCLUSIONS. FUTURE WORK. MODEL DESCRIPTION. Characterisation of thin film photovoltaics by solving :.

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COMSATS Institute of Information Technology Virtual campus Islamabad

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ECE 340 Lectures 16-18 Diffusion of carriers

ECE 340 Lectures 16-18 Diffusion of carriers. Remember Brownian motion of electrons & holes! When E-field = 0, but T > 0, thermal velocity v T = ______ But net drift velocity v d = __________ So net current J d = _________ = __________ What if there is a concentration or

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Lecture #7

Lecture #7. OUTLINE Carrier diffusion Diffusion current Einstein relationship Read: Section 3.2. Diffusion. Particles diffuse from regions of higher concentration to regions of lower concentration region, due to random thermal motion. 1-D Diffusion Example.

385 views • 13 slides