3- 1
more about the double layer
Lecture 3, Tuesday January 20, 2009
3- 2
Q: Whats in this lecture?
A: 1) Models for double layer structure,
2) Introduction to Chapter 2.
i) Helmoltz Model - just a p
147
Lecture #3 of 18
148
Q: Whats in this set of lectures?
A: Introduction, Review, and B&F Chapter 1, 15 & 4 main concepts:
Section 1.1: Redox reactions
Chapter 15: Electrochemical instrumentation
391
Lecture #6 of 18
392
Q: Whats in this set of lectures?
A: Introduction, Review, and B&F Chapter 1, 15 & 4 main concepts:
Section 1.1: Redox reactions
Chapter 15: Electrochemical instrumentation
239
Lecture #4 of 18
240
Q: Whats in this set of lectures?
A: Introduction, Review, and B&F Chapter 1, 15 & 4 main concepts:
Section 1.1: Redox reactions
Chapter 15: Electrochemical instrumentation
63
Lecture #2 of 18
64
Q: Whats in this set of lectures?
A: Introduction, Review, and B&F Chapter 1, 15 & 4 main concepts:
Section 1.1: Redox reactions
Chapter 15: Electrochemical instrumentation
S
623
Lecture #9 of 18
624
Q: Whats in this set of lectures?
A: B&F Chapters 4 & 5 main concepts:
Section 4.4.2:
Ficks Second Law of Diffusion
Section 5.1:
Overview of step experiments
Section 5.2:
P
1115
Lecture #15 of 18
In conclusion, with the GCS Model, we have a semi-quantitative
understanding of this interface with some predictive power
Now what about this behavior
plus Faradaic
charge-tran
1237
Lecture #17 of 18
1238
Q: Whats in this set of lectures?
A: B&F Chapter 3 main concepts:
Sections 3.1 & 3.6:
Homogeneous Electron-Transfer
(ET) (Arrhenius, Eyring, TST (ACT),
Marcus Theory)
Sec
957
Lecture #13 of 18
958
Q: What was in this set of lectures?
A: B&F Chapter 2 main concepts:
Section 2.1:
Salt; Activity; Underpotential deposition
Section 2.3:
Transference numbers; Liquid juncti
690
Lecture #10 of 18
691
Q: Whats in this set of lectures?
A: B&F Chapters 4 & 5 main concepts:
Section 4.4.2:
Ficks Second Law of Diffusion
Section 5.1:
Overview of step experiments
Section 5.2:
1298
Lecture #18 of 18
1299
Q: Whats in this set of lectures?
A: B&F Chapters 9, 10, and 6 main concepts:
Sections 9.1 9.4:
Rotating (Ring-)Disk
Electrochemistry
Sections 10.1 10.4:
Electrochemical
471
Lecture #7 of 18
472
Q: Whats in this set of lectures?
A: Introduction, Review, and B&F Chapter 1, 15 & 4 main concepts:
Section 1.1: Redox reactions
Chapter 15: Electrochemical instrumentation
322
Lecture #5 of 18
323
Q: Whats in this set of lectures?
A: Introduction, Review, and B&F Chapter 1, 15 & 4 main concepts:
Section 1.1: Redox reactions
Chapter 15: Electrochemical instrumentation
1
Lecture #1 of 18
Welcome to CHEM 248!
The following thousands of slides were graciously given to us by (mostly) Prof. Penner.
Of course, I made (and will continue to make) changes and updates to the
2- 1
the double layer
Lecture 2, Thursday January 15, 2009
2- 2
Q: Whats in this lecture?
A: Two things: The end of B&F Chapter 1, and the
beginning of Chapt. 13.
a semiempirical treatment of the tra
4- 1
some thermodynamics
Lecture 4, Thursday January 22, 2009
Q: Whats in this lecture?
A: Summary of key points from Tuesday relating to Chapt 13,
and the beginning of Chapt. 2.
the key points.
i) a
7- 1
electrode kinetics
Lecture 7, Tuesday February 2, 2009
7- 2
The Butler-Volmer (B-V) Equation is
the most important equation in electrochemistry.
for the generic electron transfer reaction:
O + ne
10- 1
the Cottrell Equation
Lecture 10, Tuesday February 12, 2009
Thursday, February 12, 2009
ok, now lets derive the expression for the current-time transient
that is observed for a potential step ex
9- 1
mass transport
Lecture 9, Tuesday February 10, 2009
Tuesday, February 10, 2009
Just one issue on the Midterm Exam, and it COULD be related to the
fact that I did the problem incorrectly in class.
8- 1
midterm exam review
Lecture 8, Thursday February 5, 2009
Thursday, February 5, 2009
if mass transport effects can be neglected (by stirring the solution
rapidly, for example), then the Butler-Vol
11- 1
ultramicroelectrodes (UMEs)
Lecture 11, Tuesday February 17, 2009
Tuesday, February 17, 2009
11- 2
one potential step; one data set, but two experiments:
experiment
chronoamperometry
chronocoulo
13- 1
Tuesday, February 24, 2009
the magic of thin layer electrochemistry.
13- 2
*
[C O C O (x = 0)]
Ji (x) = Di
O
C(x)/C*
tip
surface
1
0
Tuesday, February 24, 2009
distance
the magic of thin layer e
12- 1
four pioneers of
ultramicroelectrode
electrochemistry
Lecture 12, Thursday February 19, 2009
Thursday, February 19, 2009
12- 2
what happens at longer times?
t = 0.1s
planar diffusion
= 1s
mixed
Practice Homework #2
Chem 248 Ardo
Version: 15.01.23
Read Chapter 2, answer the following problems, and indicate with whom you worked: _.
(1) Do problems 1.1, 1.5, 1.6, and 1.10 in Bard and Faulkner (
Chem 248 Ardo
Practice Homework #1
Version: 15.01.19
Read Chapter 1, answer the following problems, and indicate with whom you worked: _.
(1) Do problems 19.8, 19.9, 19.10, 22.15, and 22.23 in Skoog a