Great Video.....I have been studying this stuffs in Silico for a year now , but I didnt have teh chance to see a real working DSSC so far...this video made it easier for me to see a real example ...Thanks
You'd probably have to find a reseller for the glass. It is made by Pilkington in the US and Asahi in Japan in large quantities. We get it from a small company called Hartford Glass in Indiana, US.
@manilaenglish Votlage is based on the cell (max around 500 mv). If you want to increase voltage, you need to wire in series. I would not make the cells larger than 25mm x 25 mm. After that, the current drops. Cost: I don't know on a per cell basis.
@frostvectron Volume ratio is defined by molarity. I would suggest obtaining the compounds individually, then making the solution. The triiodide complex is in ethylene glycol, not water. Water will kill the cell. You need about ONE DROP of solution per cell.
If the TiO2 is not sticking when heated, it is most likely due to the paste being too thick. If it flakes BEFORE being heated (but after drying) it is due to the paste being too thin.
@kam03m: the titania layer, which is titanium dioxide, the stuff in sunscreen, has enough thickness to separate the glass plates from each-other. On a different note, the anthocyanin dyes absorb light energy and transfer it to the titania semiconductor layer, which then transfers it to the indium-tin oxide glass and to the rest of the circuit. The electrons return to the cathode, where they combine with the carbon graphite, which is oxidized and then reduced by the triiodide electrolyte. Just a
@frostvectron I would suggest chemistry labs or chemical suppliers. Iodine is hard to get a hold of these days. You can also buy the whole DSSC kit from the Institute for Chemical Education.
@onlyjustice04 The resistance should be close to 0 ohm. Certainly not infinite, which is the other option. Yes, the cell needs to be sintered. If it is flaking/peeling even after sintering, I would guess that the paste was too thick.
Thank you for the video. Do you have a detailed video about how to make a solid-state Dye sensitized solar cell? If not can you make one? Thank you in advance.
The resistance on the wrong side should be infinite meaning there is an infinitely high resistance to electron flow. If the ITO glass is high quality, there is no contact resistance, or the multimeter is not very precise, than you will observe 0 Ohms rather than 20-30.
What would you estimate the $ / Watt to be with this type of cell? Also, will this same method / procedure work with larger pieces of conductive glass (1-2 feet square vs 1 inch square)?
can the TCO glass that have been heated with titania paste be used again for another try of pigment sticking? Or in another words, can the TCO glass be used again if the first try is failed?
wow this video is so good, thanks guys, but as i did with the other video you had uploaded before , i have the same question here too, please ,the titaniun doixide layer won't stick to the glas when i heat it up , can you help me please, it is a heatproblem or do i have a too think layer?
Hi Neal, Thanks for the informative video. If I want to conduct more than one trial for this experiment, will I be able to reuse the TiO2 covered tin oxide glass for the next trials, or will I have to use a new piece of glass?
Hi, I think you need a new one since the dye from the fruit is already with the TiO2. But also, if you have done the project, did you use non-nano TiO2, or nano TiO2 P25? Or no P25? Thanks!
@nabrams1 I am looking at Sigma Aldrich for the ingredients for the electrolyte solution. They have KI and iodine solutions in water in the concentrations you had specified. What was the volume ratio of 0.5M KI, 0.05M Iodine, and EG that was used? Thanks again!
Ok, so the excited electrons are injected into the conduction band of the Ti02 then they move towards the black alligator clip because of the electrical field created by the depletion region in the electrolyte. They are suppose to travel through the multimeter then recombine with the electrolyte completing the circuit. But since the both conducting sides of the glass are touching each other why doesn't the electron follow the path of least resistance and jump directly to the cathode?
I would not expect the cell to dry out since the redox electrolyte is made using ethylene glycol. Instead, I would think the anthocyanin dyes oxidized, turning the cell a brownish color. If it turned completely white, either the redox electrolyte was not correct or the cell was exposed to a large amount of heat and UV light.
Titanium dioxide (titania) w/small amts of nitric acid for mixing fluorine-droped tin oxide glass berry juice (raspberry or blackberry) redox electrolyte (iodine, potassium iodide, ethylene glycol) Scotch tape for making borders
hi i'm an IB student in Namibia, and I was wondering if I get the materials with assistance from a teacher, can this be used as a chemistry project for solar energy? just to know if it's possible?
plz help me out :-( ..no working on my cell...can i get a result if i use eggplant,red grapes,Red Spinach...how can i prepare appropriate electrolyte solution??? & any difference has between titania & titanium di oxide??? plz reply me asap ..plzz
I would think aluminum foil could be the layer with titanium oxide added to it since it is conductive and has no need to transmit light. The conductive glass as a bottom layer is silly since it becomes opaque to sunlight once it is coated.
Наука
Great Video.....I have been studying this stuffs in Silico for a year now , but I didnt have teh chance to see a real working DSSC so far...this video made it easier for me to see a real example ...Thanks
so cool...awesome! u just sparked an interest in me for DSSCs.
It is very nice presentation Professor. Thank you very much
14 year ago content and i'm watching it in 2024 🥲
Very crude, works well especially considering the cleanliness involved.
That's a really nice video, thanks for share it. It really helped me!
You'd probably have to find a reseller for the glass. It is made by Pilkington in the US and Asahi in Japan in large quantities. We get it from a small company called Hartford Glass in Indiana, US.
@manilaenglish Votlage is based on the cell (max around 500 mv). If you want to increase voltage, you need to wire in series. I would not make the cells larger than 25mm x 25 mm. After that, the current drops. Cost: I don't know on a per cell basis.
great vid ! thanks for sharing
@frostvectron Volume ratio is defined by molarity. I would suggest obtaining the compounds individually, then making the solution. The triiodide complex is in ethylene glycol, not water. Water will kill the cell. You need about ONE DROP of solution per cell.
Great info thank you.....
@MrSolarenergy As long as the smaller cells are wired in series. Small cells are pretty much the only way to go to obtain any useful current.
good job
If the TiO2 is not sticking when heated, it is most likely due to the paste being too thick. If it flakes BEFORE being heated (but after drying) it is due to the paste being too thin.
@manilaenglish You can encase the cell in Surlyn (like plastic wrap) an remove air, but oxidation is inevitable.
Really useful video
It's awesome. Can the cells be attached together, so that the output voltage is increased like connecting in series??
@kam03m: the titania layer, which is titanium dioxide, the stuff in sunscreen, has enough thickness to separate the glass plates from each-other. On a different note, the anthocyanin dyes absorb light energy and transfer it to the titania semiconductor layer, which then transfers it to the indium-tin oxide glass and to the rest of the circuit. The electrons return to the cathode, where they combine with the carbon graphite, which is oxidized and then reduced by the triiodide electrolyte. Just a
without titania layer ,there never be solar cell
@frostvectron I would suggest chemistry labs or chemical suppliers. Iodine is hard to get a hold of these days. You can also buy the whole DSSC kit from the Institute for Chemical Education.
What about using graphene instead of the pencil lead followed with a catylist of peroxide or other high hydrogen content synthetic.
@onlyjustice04 The resistance should be close to 0 ohm. Certainly not infinite, which is the other option.
Yes, the cell needs to be sintered. If it is flaking/peeling even after sintering, I would guess that the paste was too thick.
Thank you for the video. Do you have a detailed video about how to make a solid-state Dye sensitized solar cell? If not can you make one? Thank you in advance.
Watching this in 2019. This cool and informative. What is the principle of this die cell
great, - Thank You And Regards Frm Cologne
@scum525
There are other methods, but the annealing is needed for this simple preparation.
The resistance on the wrong side should be infinite meaning there is an infinitely high resistance to electron flow. If the ITO glass is high quality, there is no contact resistance, or the multimeter is not very precise, than you will observe 0 Ohms rather than 20-30.
@snnvxnr Pretty close. The electrons don't "combine" with the graphite. The carbon is a catalyst for the reduction of the triiodide electrolyte.
Could you give us a list of the material you used to make this?
Generally, annealing at 400-450 degrees C will suffice.
nice video but you did not show the part where the glass was coated
.thanks for sharing
What would you estimate the $ / Watt to be with this type of cell? Also, will this same method / procedure work with larger pieces of conductive glass (1-2 feet square vs 1 inch square)?
Depends on the project. Please be more specific.
@S1KRYD I'd guess
can the TCO glass that have been heated with titania paste be used again for another try of pigment sticking? Or in another words, can the TCO glass be used again if the first try is failed?
What concertation is the nitric acid you are using for the paste?
wow this video is so good, thanks guys, but as i did with the other video you had uploaded before , i have the same question here too, please ,the titaniun doixide layer won't stick to the glas when i heat it up , can you help me please, it is a heatproblem or do i have a too think layer?
What is the alternative chemicals to TiO2?. Can I use Al2O3, SiO3, Calcium Silicate or Aluminium Silicate?
Can you please let me know the detailed procedure for the synthesis of redox couple.
did you use ITO or FTO???
What disolvent did you use for the electrolite solution?
Hi Neal, Thanks for the informative video.
If I want to conduct more than one trial for this experiment, will I be able to reuse the TiO2 covered tin oxide glass for the next trials, or will I have to use a new piece of glass?
Hi, I think you need a new one since the dye from the fruit is already with the TiO2. But also, if you have done the project, did you use non-nano TiO2, or nano TiO2 P25? Or no P25? Thanks!
@steven6chen polyethylene glycol is a solid at room temperature. Do you mean ethylene glycol? That is the solvent for the electrolyte.
okej thanks for helping
@Riserna 0.5M KI, 0.05M I2 in ethylene glycol.
Does the electrolyte separate the two pieces of conducting glass completely?
Can you please tell me how to measure the conductivity of a polymeric electrolyte?
Interesting. Can it br bigger to generate more power? Like in 50w solar panel is the on uo to what watts,?
@nabrams1 I am looking at Sigma Aldrich for the ingredients for the electrolyte solution. They have KI and iodine solutions in water in the concentrations you had specified. What was the volume ratio of 0.5M KI, 0.05M Iodine, and EG that was used?
Thanks again!
could i use a copper or brass backing instead of indium doped tin oxide glass?
Usually 400 C.
@kavinash85 This should work in theory (same iodide complex), but there is probably too much water in the tincture for it to work.
for the iodide electrolyte, can polyethylene glycol be used along with iodine and potassium iodide to make it?
Just knowing the voltage is not much use. What is the power output of the device?
Ok, so the excited electrons are injected into the conduction band of the Ti02 then they move towards the black alligator clip because of the electrical field created by the depletion region in the electrolyte. They are suppose to travel through the multimeter then recombine with the electrolyte completing the circuit. But since the both conducting sides of the glass are touching each other why doesn't the electron follow the path of least resistance and jump directly to the cathode?
Wear gloves.
Wear gloves.
wear gloves pls!
Legend dont wear gloves
He’s a Professional!....🤓
Wear gloves
@psicodelio in Soviet Russia blackberry plants are solar cells.
how can one get around the annealing stage so a layer could be sprayed on to a large pannel . my autobody oven will only cook to 210 degrees
The project like this step by step is described on the Avasva website and many more plans you can find on that website.
do u just crush the berries and sieve it through to get the juice from the berries?
How long will these last?
Can a lime , potato , grapefruit , or tomato work as well ?
thanks for anwering my question, but what's the temp. i have to heat with so that it sticks ? is it about 500 celcius
I would not expect the cell to dry out since the redox electrolyte is made using ethylene glycol. Instead, I would think the anthocyanin dyes oxidized, turning the cell a brownish color. If it turned completely white, either the redox electrolyte was not correct or the cell was exposed to a large amount of heat and UV light.
This has probably been asked before, but where can you get conductive glass? I'm in Sydney Australia ..
Titanium dioxide (titania) w/small amts of nitric acid for mixing
fluorine-droped tin oxide glass
berry juice (raspberry or blackberry)
redox electrolyte (iodine, potassium iodide, ethylene glycol)
Scotch tape for making borders
hey can i use tincture of iodine solution instead of tri iodide solution
I do not see any errors with this portion. Please elaborate.
What happens if I use Mn doped ZnO in stead of TiO2?
I made it by myself. I used Avasva solutions for that.
How you know how long is the useful life of a cell ??
i used methylene blue for dying but my cell dont work. it is getting short. pls help
hi i'm an IB student in Namibia, and I was wondering if I get the materials with assistance from a teacher, can this be used as a chemistry project for solar energy? just to know if it's possible?
Try LCD screen from laptops...
Only TiO2 will work, maybe ZnO. The oxides you mention are not semiconductors.
Can we use ethanol instead of isopropanol?
God Day
I can not find electrolyte. Where did you find electrolyte.
Is there anything else i can use instead electrolyte?
anybody can explain what redox electrolyte he is using? plzzzzz
@nabrams1 Hi, I was wondering where I can get the KI and Iodine in EG? Can you point me to a source? Thanks so much.
Sir How long it can be used
Can I use red grapes instead of balckberry?
so did he just use titanium dioxide and nitric acid to make the titanium paste???
This dude funny😂😂😂
plz help me out :-( ..no working on my cell...can i get a result if i use eggplant,red grapes,Red Spinach...how can i prepare appropriate electrolyte solution??? & any difference has between titania & titanium di oxide??? plz reply me asap ..plzz
What is the function of the dye
Hi Mr. Abrams! Is the second piece of glass coded in graphite also a piece of fluorine-droped tin oxide glass or just a normal piece of glass?
that is also FTO
is there any simulation for this solar cell?? anyone
sir i want work on new materialhelp me to choose material
How much voltage would it give in the presence of sunlight ?
Mine reached 261 mV in the evening sun
How to scale up?
I know this is an old post, but how hot should my hot plate be?
What are the materials
I would think aluminum foil could be the layer with titanium oxide added to it since it is conductive and has no need to transmit light. The conductive glass as a bottom layer is silly since it becomes opaque to sunlight once it is coated.
How do you make sure that the titanium dioxide coating doesn't shatter when the dye is applied?
heating bro.. heating
It worked, thanks!
Tell me about recent topics in dssc
@98765superduper 0.5 M potassium iodide mixed with 0.05 M iodine in ethylene glycol.
Dilute nitric or acetic. pH 3-4 should be adequate.
where do I get the Titanium dioxide and the conductive glass
+Seni Yusuf Let me know if you want some TCO glass, we have a big production in China.
+Maoan Zhou I just got the Titanium dioxide but I still don't have a conductive glass
Try ordering from ice.chem.wisc.edu/. They sell the materials pretty cheaply.
هل يمكن استخدام التوت الازرق ؟
I'm from the streets Neal wbu ?
The same TiO2 film application would not work since the TiO2 needs to be annealed at 400C. The PET would not survive.
any one can make it for me?
I am looking for solar cell for RED light.
Just for RED is OK. I am good to put it under RED light, NOT under Sun.