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Title: Working with LEDs: Estimating Semiconductor Band Gap Using LEDs
Url: http://matse1.matse.illinois.edu/sc/f.html
Publisher: University of Illinois at Urbana-Champaign. Dept. of Materials Science and Engineering
Description: The Materials Science and Technology Teacher's Workshop (MAST) provides this activity for classes learning about semiconductors and LEDs (light-emitting diodes). The class will observe visible LEDs in simple electrical circuits, relate the composition of semiconductor materials with their behavior and estimate the band gap of a semiconductor material.

The lesson includes step by step directions for the experiment.
The activity should require about one hour of class time to complete. Discussion questions and teacher notes are included.
LC Classification: Technology -- Electrical engineering. Electronics. Nuclear engineering -- Electrical engineering. Electronics. Nuclear engineering -- Electronics -- Study and teaching
Technology -- Electrical engineering. Electronics. Nuclear engineering -- Electrical engineering. Electronics. Nuclear engineering -- Electronics -- Apparatus and materials -- Semiconductors -- Diodes -- Other, A-Z -- Light-emitting diodes
Technology -- Electrical engineering. Electronics. Nuclear engineering -- Electrical engineering. Electronics. Nuclear engineering -- Electronics -- Apparatus and materials -- Semiconductors -- Diodes
Science -- Physics -- Study and teaching. Research -- Experiments
GEM Subject: Vocational Education -- Technical
Vocational Education -- Tech prep
Vocational Education -- Instructional issues
Science -- Physics
Science -- Instructional issues
Science -- Engineering
Key Concept: Electrical engineering -- Semiconductors
Electrical engineering -- Diodes and rectifiers
Electrical engineering -- Circuits
Key Concepts Complete: Yes
Resource Type: Demonstrations
Instructional Materials
Lesson Plans
Science Materials
Teaching Guides
Text (DCMI Type Vocabulary)
Format: html
Audience: College/University Instructors
Higher Education
Secondary Education
Teachers
Technical School First Cycle
Technical School Second Cycle
University First Cycle
Vocational Training
Language: English
Access Rights: Free access
Date Of Record Release: 2012-12-04 09:32:43 (W3C-DTF)
Date Last Modified: 2011-10-10 11:07:25 (W3C-DTF)
Source Type: ATE Center
Source: NetWorks
Full Record Views: 50
Resource URL Clicks: 4
Cumulative Rating: NOT YET RATED
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