Asia: Tokyo, Japan June 7, 2004 CIE Expert Symposium on LED Light Sources: Tokyo, Japan, visit http://www.cie.co.at/symp/symposia.html for more information ...
180
Renbin
inner_silence
Jun 2, 2004 7:38 am
Greetings, I am trying to filter PEDOT/PSS from Aldrich. I cant seem to pass the black PEDOT solution through a 0.2um Nylon syring filter. I have tried an S &...
181
Sandeep Kumar
sand_eep210
Jun 2, 2004 11:00 am
Hi, I use PEDOT:PSS solution supplied from Bayer and it fairly passes through 0.2 micron filters. I recommend u to use them as it is the best available in...
182
yu yang
yyangb
Jun 2, 2004 4:04 pm
Ren: You'd better use PDVF filter because PEDOT/PSS is an aqueous solution, other filters will swell when filtering aqueous solution. As for the ITO, you'd ...
183
odcad
Jun 3, 2004 10:48 pm
A. J. Heeger, A. G. MacDiamid and H. Shirakawa were awarded Nobel price of chemistry in 2000 for their discovery of organic semiconductor. The material used in...
184
odcad
Jun 4, 2004 3:43 pm
Source from ZDet UK on May 18, 2004 Samsung SDI, the Korean giant's display division, has announced prototypes of a 17-inch active matrix organic light...
185
odcad
Jun 7, 2004 10:03 pm
Yang Yang,a faculty in material science of University of Californial in LA (UCLA) discovered that a simple organic cell has very good data retention. This...
186
Dr. KRS Murthy
geniusone99
Jun 8, 2004 10:12 pm
What is the change in the thermal conductivity between the off and on states? Does anyone have the e-mail / phone contact details for Prof. Yang Yang? I am...
187
odcad
Jun 9, 2004 9:34 pm
From our understanding, there should not have any significant thermal conductivity change. However, the final say is teh experimental observation. Regarding to...
188
odcad
Jun 14, 2004 9:24 pm
A UCLA material scientist, Yang Yang discovered a simple organic memory device. A patent [1] has been filed to protect this IP because it has great potential...
189
Ivo Alexandre Hummelgen
iah@...
Jun 15, 2004 11:24 am
Dear all: I have troubles with the contact between metal wires and fluorine-doped tin-oxide substrates. Does somebody know about a simple way to produce...
190
chuck szmanda
chucksz
Jun 15, 2004 12:56 pm
Try indiun-gallium alloy, available from Aldrich Chemical, or if you can, just press elemental indium into the contact... Ivo Alexandre Hummelgen...
191
Lee
lmcbsllc
Jun 16, 2004 1:35 am
192
Renbin
inner_silence
Jun 16, 2004 10:28 am
Greetings, Does anyone know how long can a ITO/MEH-PPV/Al device last in air ? Mine can only last a few minutes and it is not very bright. The ITO was not...
193
Zhiyong Hong
zhiyonghong
Jun 16, 2004 3:43 pm
ye, this is very normal. PLED is very unstable on air. especially for single layer structure. I guess you also have a quite high driving voltage, right? the ...
194
odcad
Jun 16, 2004 8:49 pm
PEDOT is commercial name (trade name) for mixture of organic semiconductor PEDT with dopant PSS. Polystyrene Sulfonic acid (PSS) functions as dopant that...
195
Ren Yang
inner_silence
Jun 17, 2004 6:31 am
Dear zhiyong,
The operating voltage is low at first arond 6 or 7V but then later
goes higher and higher to get the same brightness. Even when I run the
PLED...
196
Zhiyong Hong
zhiyonghong
Jun 17, 2004 4:39 pm
hi, yang ren: i think you know that impurity play important role for the failure of semiconductor device. uv ozone can be used to clean up the ITO surface....
198
Vik Bho
gvmb01
Jun 18, 2004 7:40 am
How abt using In dots(small metal piece), which can make stable contact by applying a small mechanical stress/pressure. works fine for most of the contacts on...
199
Ivo Alexandre Hummelgen
iah@...
Jun 18, 2004 1:06 pm
Dear Vikram: I tested your proposal of indium contact a few minutes ago. The contact is not mechanically stable. There is some adhesion, but weak. I tested it...
200
SS
eemc2203
Jun 18, 2004 1:57 pm
I am looking for a cheap source for spin-coaters for growing organic thin films. Any suggestion? Seda SemBionic...
201
markevans_1
Jun 18, 2004 2:49 pm
hey guys, Wondering if it is possible to DIY your own transistor with only basic lab equipment at home? There are a few projects on the net on how to make a...
202
jiandong cao
jdcao2002
Jun 18, 2004 9:31 pm
You should be able to find lots of them(cheap) on the after MKT. Like DOVBIT. SS <eemc2203@...> wrote:I am looking for a cheap source for spin-coaters...
203
Vik Bho
gvmb01
Jun 19, 2004 4:50 pm
Hi, I am sorry, that I forgot to tell tht you have to use very thin (<0.5 mm) gold or Cu wires while using these In dots so that they can hold these wires....
204
Vik Bho
gvmb01
Jun 19, 2004 6:47 pm
hi, i am looking for some reference which has been published in a journal, currently being ciruclated only in Russia. So, i am having a tough time to get tht...
205
poly3hexylthiophene
poly3hexylth...
Jun 23, 2004 2:38 pm
... The most low tech operational "transistor" seems to be the device mentioned here: http://groups.yahoo.com/group/OrganicDevice/message/147 ... Unlikely.. ...
206
nataraj jr
nataraj_jr
Jun 23, 2004 4:30 pm
hello Everyone, I am Nataraj, I am looking for a PhD postion in the field of Materials science My areas of intrest are Nanotechnolgy, composite materials,...
207
group_yogesh
Jun 24, 2004 12:18 pm
IIT Kanpur is working in development of OLED based displays in collabaration with Samtel. If interested, you can apply there. http://www.iitk.ac.in/scdt/ ...
208
odcad
Jun 28, 2004 8:25 pm
In OLED device, the interface between metal electrode and organic semiconductor plays important role for device performance. This interface usually has a...
209
Renbin
inner_silence
Jun 30, 2004 3:58 am
Greetings, I have read that oxygen plasma could be used to clean ITO for OLED applications. How is it compared to UV-Ozone treatment ? I'm wondering whether it...
