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Lecture 1Lecture 1
MatSci 192/202, 2012-2013
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A Brief History of …materials chemistry
Weight: 137 g (0.3 lbs)
Battery Lifetime: 7 hr (talk time)300 hr (standby)
TodayiPh / , 2 hr recharge time300 hr (standby)
Cost: $200iPhone 4/5,
Li-ion battery
, 2 hr recharge time
1983DynaTAC
Record English Half-marathon Lance Armstrong’s
DynaTACmobile phone
Record English Channel swim (6
hours, 57 min)
Half marathon world record (58 minutes)
Lance Armstrong s climb up Tunitas
Creek (20 minutes)
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If the DynaTAC battery had the capacity of the iphone, how much would it weigh?
Weight: 137 g (0.3 lbs)
Battery Lifetime: 7 hr (talk time)300 hr (standby)
TodayiPh / , 2 hr recharge time300 hr (standby)
Cost: $200iPhone 4/5,
Li-ion battery
, 2 hr recharge time
1983DynaTAC
New-born 55’ LED flat
DynaTACmobile phone
Rodin sculpture (500 lbs)
New born Elephant (200
lbs)
55 LED flat-screen TV (50 lbs)
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Materials chemistry & batteries
Weight: 137 g (0.3 lbs)
Battery Lifetime: 7 hr (talk time)300 hr (standby) 2 hr recharge time
TodayiPh / 300 hr (standby), 2 hr recharge time
Cost: $200iPhone 4/5,
Li-ion battery
1991 (commercial Li
Weight: 1000 g (2.2 lbs)
Battery Lifetime: 30 min (talk time), 1 hr (standby), 10 hr recharge time
(commercial Li-ion batteries)
1983DynaTAC
Cost: $8800 (2012 dollars)DynaTAC
mobile phone
Class This Quarter: Yi Cui, Principles, Materials, & Devices of Batteries (MatSci 303)
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Materials chemistry & electronic storage
Weight: 0.5g (0.001 lbs)
Cost: $202012(32 GB)
Size: 11mm x 15mm x 1mm (size of a dime)(32 GB)
1980(20 GB)
Ford F 150 Baby grand 1 TB hard Ford F-150 (~4500 lbs)
Baby grand piano (~600 lbs)
1 TB hard drive (~3 lbs)
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Materials chemistry & electronic storage
Weight: 0.5g (0.001 lbs)
Cost: $202012(32 GB)
Size: 11mm x 15mm x 1mm (size of a dime)(32 GB)
1980(20 GB)
Ford F-150 McLauren F1 ( $9 0 000)
Paul Allen’s yacht ( $ illi )(~$30,000) (~$970,000) (~$100 million)
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Materials chemistry & electronic storage
Weight: 0.5g (0.001 lbs)
Cost: $202012(32 GB)
Size: 11mm x 15mm x 1mm (size of a dime)(32 GB)
i h ( lb )
1980(20 GB)
Weight: 2,000,000 g (4400lbs)
Cost: $648,000 - $1,137,600
Size: 70’’ x 44’’ x 32’’ (for each 2.5 GB Size: 70 x 44 x 32 (for each 2.5 GB cabinet)
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1 μm
1947: the first transistor Today: Intel quad core i7 processor
(~8 billion transistors)
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Materials chemistry & medical advances
Tissue EngineeringBiomedical implants
Just 15 years ago, Bob Langer and his colleague J h V ti i d k bl Joseph Vacanti pioneered a remarkable new process- growing human tissues in the lab. Back in 1987, Langer and Vacanti couldn't get their work published; journal editors didn't see any practical applications. Today, the pair are acknowledged as the fathers of the field of tissue engineering Now the fathers of the field of tissue engineering. Now, Langer, Vacanti and his brother Charles, as well as teams of researchers around the world, pursue the day when replacement tissues and organs are readily available, custom-made for those who need them. (Source: http://www.pbs.org/saf/1107/features/body.htm)
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Materials chemistry & medical advances
Tissue EngineeringBiomedical implants
Just 15 years ago, Bob Langer and his colleague J h V ti i d k bl Joseph Vacanti pioneered a remarkable new process- growing human tissues in the lab. Back in 1987, Langer and Vacanti couldn't get their work published; journal editors didn't see any practical applications. Today, the pair are acknowledged as the fathers of the field of tissue engineering Now
A device that recognizes tongue movements and translates them into words, serving like an articifiallarynx It fits into the mouth the fathers of the field of tissue engineering. Now,
Langer, Vacanti and his brother Charles, as well as teams of researchers around the world, pursue the day when replacement tissues and organs are readily available, custom-made for those who need them. (Source:
larynx. It fits into the mouth using a palatometer, a device typically used in speech therapy. A small synthesizer would be worn in a shirt pocket to transmit the
http://www.pbs.org/saf/1107/features/body.htm)pwords. (Source: http://gajitz.com/tongue-tech-artificial-larynx-tracks-tongue-transit-to-talk/)
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Materials chemistry – learning goals
o Understand the theoretical framework governing atoms, molecules, and solids: quantum mechanics, molecular orbital theory, and band theory
o Use principles of symmetry to identify basic properties of molecules – optical activity, IR or Raman activity, optical transitions
o Rationalize and predict the stability/reactivity of solids
o Understand how an atom’s or ion’s crystallographic or ligandenvironment impacts allowed electronic and optical transitionsenvironment impacts allowed electronic and optical transitions
o Understand basic molecular and nanomaterials synthesis and characterization tools
o See how these concepts are tied to important scientific and industrial challenges
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Egyptians: Cosmetics, Glassmaking, Metallurgy (4000 BCE)
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Democritus (420 BCE): Atomic Hypothesis“The only real things are atoms and empty space; all else is mere opinion.”
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Alchemists (350BCE - 1800)– Transmutation and the Greek god Hermes
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Rene-Just Hauy (1743-1822) – mineralogist who discovered crystal planes
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Lavosier (1777) – discovered mass conservation, H, O; denounced phlogiston theory
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Sir Humphrey Davy (1778) – inventor of electrochemistry & discoverer of alkali metals
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Michael Faraday: Discovers semiconductors – negative temperature coefficient of resistance (1833)
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Johann Dobereiner (1817) - noticed relations between atomic weights of similar elements
‘Dobereiner Triads’
Li = 7Na = 7 + 16 = 23
K = 23 + 16 = 39K = 23 + 16 = 39
Ca = 12 + 8 =20Sr = 20 + 24 = 44Ba = 44 + 24 = 68
S = 32Se = 32+47= 79
Te = 79 + 47 = 126
Also lateral relations were observed:
Te = 79 + 47 = 126
observed:
Cl - P = Br - As = I - Sb = 5
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Mendeleev & Meyers (1871): ordering according to atomic weights and similar properties.
* The elements, if arranged according to their atomic weight, exhibit an apparent periodicity of properties.
*Elements which are similar in regards to their chemical properties have atomic weights which are either of nearly the same value (e.g., Pt, Ir, Os) or which increase regularly (e g K Rb Cs)or which increase regularly (e.g., K, Rb, Cs).
* We must expect the discovery of many yet unknown elements–for example, two elements, analogous to Al and Si whose atomic weights analogous to Al and Si, whose atomic weights would be between 65 and 75.
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Luigi Galvani (1781): Precursor to the battery with “Animal Electricity.”
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CuZnCuCuZn
Alessandro Volta (1800) and John F. Daniel (1836): The first batteries. The Daniel cell produced 1.1 V and powered telegraphs and telephones for
over 100 years.
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William Adams and Richard Day – the first photovoltaic cell (Se, 1876)(below: The first solar powered battery at Bell labs, 1954)
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Russell Ohl – The discovery of the PN Junction (Bell Labs, 1927 – 1940)
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Bardeen, Brittain, Shockley – Transistor (1948)
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Linus Pauling– Explained chemical bonds using quantum mechanics (1939)
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Development and commercialization of electron microscopy (1930-1970)
From Zettl group, Science 323 (2009)0.5 nm
1st practical TEM, 1933
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1 nmCredit: Alivisatos group, UC Berkeley
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Sidney Farber (1950) – Father of modern chemotherapy who helped develop anti-folates
Cisplatin
Folic Acid Methotrexate
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Recent breakthroughs in materials chemistry
http://www.light.t.u-tokyo.ac.jp
CatalysisOrganic / carbon-based CatalysisOrganic / carbon based devices
Flexible solar cells & polymeric devices
Anti-cancer drugs (Gleevec)
Battery technologyNew nanophotonic and
molecular optical materials
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Upcoming materials chemistry challenges
o Highly efficient, cost effective solar cells
o Solar-fuel systems and improved battery technology
o Environmental materials engineering (e g water purification) o Environmental materials engineering (e.g., water purification)
o Advanced computing (optical/spin computing)
o Imaging and visualization (display technology, ‘big data’ )g g p y gy g
o Biomedical materials
o The nano/neuro interface
“The important thing in science is not so much to obtain new facts as to discover much to obtain new facts as to discover
new ways of thinking about them. –William Bragg