Thermoelectrical Properties of Nano Structures Emery Kelly, Design and Technology Academy, North...

Thermoelectrical Properties of Thermoelectrical Properties of Nano StructuresNano Structures

Emery Kelly, Design and Technology Emery Kelly, Design and Technology Academy, North East ISD, San AntonioAcademy, North East ISD, San Antonio

Faculty Mentor – Dr. Choongho Yu, Assistant Faculty Mentor – Dr. Choongho Yu, Assistant Professor, Mechanical EngineeringProfessor, Mechanical Engineering


MentorsMentors Dr. Choongho YuDr. Choongho Yu

Kyungwho ChoiKyungwho Choi Yeontack Yeontack RyuRyu


Objective of researchObjective of research

Overview of experimentsOverview of experiments

Data to be collectedData to be collected

What the data might tell usWhat the data might tell us


ExperimentsExperimentsThin FilmThin Film Polymer mixPolymer mix

Thermoelectric Behavior of Segregated-Network Polymer Nano composites byChoongho Yu,* Yeon Seok Kim, Dasaroyong Kim, and Jaime C. Grunlan

SEM results from Yeontack Ryu’s Research


The students will explore electrical The students will explore electrical properties of:properties of:– traditional bulk materials,traditional bulk materials,– a nano carbontube film,a nano carbontube film,– and a nano carbontube polymer composite.and a nano carbontube polymer composite.

Properties include:Properties include:– resistance,resistance,– conductivity,conductivity,– and thermoelectric power.and thermoelectric power.


The relevant TEKS are:The relevant TEKS are:– 111.32. Algebra I111.32. Algebra I– b) Foundations for functions: knowledge and skills and b) Foundations for functions: knowledge and skills and

performance descriptions.performance descriptions. (1) The student understands that a function represents (1) The student understands that a function represents

a dependence of one quantity on another and can be a dependence of one quantity on another and can be described in a variety of ways.described in a variety of ways.

– (B) The student gathers and records data, or uses (B) The student gathers and records data, or uses data sets, to determine functional (systematic) data sets, to determine functional (systematic) relationships between quantities.relationships between quantities.

– (C) The student describes functional relationships (C) The student describes functional relationships for given problem situations and writes equations for given problem situations and writes equations or inequalities to answer questions arising from the or inequalities to answer questions arising from the situations.situations.


The relevant TEKS are:The relevant TEKS are:– 111.32. Algebra I111.32. Algebra I– b) Foundations for functions: knowledge and skills and b) Foundations for functions: knowledge and skills and

performance descriptions.performance descriptions. (3) The student formulates equations and inequalities (3) The student formulates equations and inequalities

based on linear functions, uses a variety of methods to based on linear functions, uses a variety of methods to solve them, and analyzes the solutions in terms of the solve them, and analyzes the solutions in terms of the situation.situation.

– (A) The student analyzes situations involving linear (A) The student analyzes situations involving linear functions and formulates linear equations or functions and formulates linear equations or inequalities to solve problems.inequalities to solve problems.

– (C) For given contexts, the student interprets and (C) For given contexts, the student interprets and determines the reasonableness of solutions to determines the reasonableness of solutions to linear equations and inequalities.linear equations and inequalities.


The relevant TEKS are:The relevant TEKS are:– 112.47. Physics.112.47. Physics.– (2) Scientific processes. The student uses scientific (2) Scientific processes. The student uses scientific

methods during field and laboratory investigations.methods during field and laboratory investigations. (B) make quantitative observations and (B) make quantitative observations and

measurements with precision.measurements with precision. (C) organize, analyze, evaluate, make inferences, and (C) organize, analyze, evaluate, make inferences, and

predict trends from data.predict trends from data. (D) communicate valid conclusions.(D) communicate valid conclusions. (E) graph data to observe and identify relationships (E) graph data to observe and identify relationships

between variables.between variables. (F) read the scale on scientific instruments with (F) read the scale on scientific instruments with

precision.precision.


The relevant TEKS are:The relevant TEKS are:– §112.47. Physics.§112.47. Physics.– (3) Scientific processes. The student uses critical thinking (3) Scientific processes. The student uses critical thinking

and scientific problem solving to make informed decisions.and scientific problem solving to make informed decisions. (C) evaluate the impact of research on scientific thought, (C) evaluate the impact of research on scientific thought,

society, and the environment.society, and the environment. (D) describe the connection between physics and future (D) describe the connection between physics and future

careers; careers;

– (6) Science concepts. The student knows forces in nature.(6) Science concepts. The student knows forces in nature. (E) design and analyze electric circuits. (E) design and analyze electric circuits.


The lesson plan will take approximately one The lesson plan will take approximately one weekweek

– Day oneDay one Pre-testPre-test Build op-ampBuild op-amp

– Day twoDay two Build op-ampBuild op-amp


Op-ampOp-amp


The lesson plan will take approximately one The lesson plan will take approximately one weekweek– Day ThreeDay Three

Build four point measuring deviceBuild four point measuring device

– Day fourDay four Finish measuring deviceFinish measuring device Conduct measurements on samplesConduct measurements on samples Collect data in excelCollect data in excel

– Day FiveDay Five Finish data collectionFinish data collection


Four point measurement deviceFour point measurement device


The lesson plan will take approximately one The lesson plan will take approximately one weekweek

– Day sixDay six Use MatLab to evaluate dataUse MatLab to evaluate data Draw conclusionsDraw conclusions

– Day sevenDay seven Lecture/Open discussionLecture/Open discussion Post-testPost-test


Example true or false test questions:Example true or false test questions:

– Creating a temperature difference across a conductive Creating a temperature difference across a conductive material will also create an electrical potential difference.material will also create an electrical potential difference.

– Copper and silver have greater electrical current density Copper and silver have greater electrical current density than any currently known material.than any currently known material.

– Nano carbon tube polymer composites and copper Nano carbon tube polymer composites and copper electrical and thermo properties can be manipulated or electrical and thermo properties can be manipulated or designed.designed.


Example true or false test questions:Example true or false test questions:

– Creating a temperature difference across a conductive Creating a temperature difference across a conductive material will also create an electrical potential difference. material will also create an electrical potential difference. TRUETRUE

– Copper and silver have greater electrical current density Copper and silver have greater electrical current density than any currently known material. FALSEthan any currently known material. FALSE

– Nano carbon tube polymer composites and copper Nano carbon tube polymer composites and copper electrical and thermo properties can be easily electrical and thermo properties can be easily manipulated or designed. FALSEmanipulated or designed. FALSE


AcknowledgementsAcknowledgements– Texas A&M E3 Program, all the staff involvedTexas A&M E3 Program, all the staff involved

– National Science FoundationNational Science Foundation

– Nuclear Power InstituteNuclear Power Institute

– Texas Workforce CommissionTexas Workforce Commission

– ChevronChevron

– Dr. Yu, he let us be research engineers, yet he was Dr. Yu, he let us be research engineers, yet he was always there as our safety net to help when neededalways there as our safety net to help when needed

Date post:	20-Dec-2015
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Thermoelectrical Properties of Nano Structures Emery Kelly, Design and Technology Academy, North...

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