Live data from Hacker News

Transistor Made of Wood

pnas.org

1–10 of 23 posts

Re: Transistor Made of Wood

#2
Transistor made of *electron-ion conducting polymer* mixed with wood:

"The CW is prepared using a two-step strategy of wood delignification followed by wood amalgamation with a mixed electron-ion conducting polymer, poly(3,4-ethylenedioxythiophene)–polystyrene sulfonate (PEDOT:PSS)."

Re: Transistor Made of Wood

#4

Transistor made of *electron-ion conducting polymer* mixed with wood: "The CW is prepared using a two-step strategy of wood delignification followed by wood amalgamation with a mixed electron-ion conducting polymer, poly(3,4-ethylenedioxythiophene)–polystyrene sulfonate (PEDOT:PSS)."

Similar to the "transparent wood!" story that made rounds a while back, where they took the wood out of the wood and replaced it with transparent plastic. Incredibly dishonest.

Re: Transistor Made of Wood

#5

Transistor made of *electron-ion conducting polymer* mixed with wood: "The CW is prepared using a two-step strategy of wood delignification followed by wood amalgamation with a mixed electron-ion conducting polymer, poly(3,4-ethylenedioxythiophene)–polystyrene sulfonate (PEDOT:PSS)."

Would you read a paper on "wood coated transistors" ? :-)

I completely agree that the phrasing of the topic is misleading at best. However, the paper does add to the growing body of work on "organic" electronics. The journey of organic LEDs from concept to product is, to me, an interesting corollary. How much "metal" can you remove from electronics? How many of the elements that make electronics "toxic"? How many of the properties of the underlying organic base can you retain while still having a signal carrying capacity?

As an example;

E-"paper", made from cellulose hosted transistors, that are configured not to "switch" but to change the chemical composition of a "pixel" that changes is light absorption characteristics (and thus its "color" with respect to non-activated pixels.

Clearly a sci-fi "dream" or construction at this point, but understanding how to make cellulose a conductor while retaining the ability to make it into paper is a step toward possible realization of such an idea.

The bottom line for me is that "organic" electronics is one of those black swan type ideas that could really change a lot of things. So I collect papers like this one to track what people with time to research the questions find out. :-)

Re: Transistor Made of Wood

#6

Transistor made of *electron-ion conducting polymer* mixed with wood: "The CW is prepared using a two-step strategy of wood delignification followed by wood amalgamation with a mixed electron-ion conducting polymer, poly(3,4-ethylenedioxythiophene)–polystyrene sulfonate (PEDOT:PSS)."

Similar to the "transparent wood!" story that made rounds a while back, where they took the wood out of the wood and replaced it with transparent plastic. Incredibly dishonest.

Here's a YouTube link to anyone curious about transparent wood: https://youtu.be/uUU3jW7Y9Ak

I don't know if I agree with it being "incredibly dishonest" - I think it's a bit misleading (like most popular science), but it comes from a place of wanting to get clicks/ be more mass-appeal, rather than to actually deceive.

Re: Transistor Made of Wood

#8

Transistor made of *electron-ion conducting polymer* mixed with wood: "The CW is prepared using a two-step strategy of wood delignification followed by wood amalgamation with a mixed electron-ion conducting polymer, poly(3,4-ethylenedioxythiophene)–polystyrene sulfonate (PEDOT:PSS)."

Similar to the "transparent wood!" story that made rounds a while back, where they took the wood out of the wood and replaced it with transparent plastic. Incredibly dishonest.

Right. Once you take the lignite out of wood, you have a porous structure into which you can put other liquids. There are other variations on this theme - super strong wood, conductive wood, etc.[1] Some of those tricks work on cellulose agricultural waste.

Probably the most useful idea in this direction is oriented-strand board from bagasse, the long strands left after sugar is remove from sugar cane. Layers oriented in different directions are glued together, like plywood, to make something like particleboard, but with better tensile strength. It's a low-end composite material.

[1] https://www.scientificamerican.com/article/stronger-than-ste...

Re: Transistor Made of Wood

#9

Earlier quoted context omitted.

Similar to the "transparent wood!" story that made rounds a while back, where they took the wood out of the wood and replaced it with transparent plastic. Incredibly dishonest.

Here's a YouTube link to anyone curious about transparent wood: https://youtu.be/uUU3jW7Y9Ak I don't know if I agree with it being "incredibly dishonest" - I think it's a bit misleading (like most popular science), but it comes from a place of wanting to get clicks/ be more mass-appeal, rather than to actually deceive.

Honesty is about honestly broadcasting the extent of your beliefs as much as it is expressing your true beliefs. If you fake a naivete and then lean into that to get clicks, you're still being dishonest.

Re: Transistor Made of Wood

#10

Transistor made of *electron-ion conducting polymer* mixed with wood: "The CW is prepared using a two-step strategy of wood delignification followed by wood amalgamation with a mixed electron-ion conducting polymer, poly(3,4-ethylenedioxythiophene)–polystyrene sulfonate (PEDOT:PSS)."

> Wood delignification

For those of you who are not up to speed on your Latin, the Saxon version of this word would be "unwooding".

Post reply on HN