Chapter 15 Sudden Changes

The nanopillars do not absorb light and have a different refractive index than the surrounding material, so certain wavelengths of light are reflected off the array. These nanopillars form a separate layer between perovskite and silicon.

When light enters the cell, the perovskite layer absorbs most of the short-wavelength light, but some of it can pass through. The nanopillars are properly spaced to reflect unabsorbed light back to the perovskite layer, giving it a second chance to be absorbed. Longer wavelength light can pass directly through the nanopillar layer without being reflected, so it can reach the underlying silicon.

Therefore, the solar power generation efficiency of this material is high.

The only problem is that Wu Siyuan can't make it.

This material is made using nanotechnology, a technology Wu Siyuan has not mastered.

It doesn’t mean that it can’t be manufactured. There is no problem in making it in the laboratory regardless of the cost.

However, this method cannot be promoted on a large scale because the cost is too high.

Wu Siyuan sighed slightly after learning this.

If it can be used on a large scale, it is unlikely to completely replace fossil energy, but it can at least replace more than 50% of fossil energy.

Wu Siyuan can use this new energy to reap a wave of influence.

pity.

Wu Siyuan has not yet mastered nanotechnology and cannot create such nanomaterials.

There will definitely be relevant technologies in the future world.

However, after he tried several times, Doraemon refused to take him to the future world.

Fortunately, among the other props Wu Siyuan brought back, there are several technologies that Wu Siyuan was able to reproduce. Although they do not meet the original standards, they may be outdated technologies that need to be eliminated in the future world, but in the real world, they are not It is an internationally leading level.

……………………………………………………………………………………………………………………………… ………

Time is running away in the research of [Transformers] scientists.

Wu Siyuan, who was addicted to it, suddenly felt that someone outside was calling him.

He came back to his senses, and with a thought, his consciousness returned to Fat Tiger's body. When he opened his eyes, he saw that it was Doraemon, Nobita, and Xiaofu who were calling him.

[To be honest, I have been using Yeguo Reading recently to catch up on books. I can switch sources and read aloud with more sounds.

Both Android and Apple are available. 】

"Fat Tiger, you didn't sleep here all day, did you?" Doraemon said with a speechless expression. Nobita was already decadent enough, but he didn't expect Fat Tiger to go further.

"Is it already night?" Wu Siyuan looked at the sky outside. It was indeed dark.

The moon hangs in the sky, as if within reach.

"Hey! I really don't know what to say about you!" Doraemon shook his head and said, "It's getting dark. After playing all day, we should go back."

"Ah! I haven't finished my homework yet!" Shizuka suddenly remembered this matter.

The husband looked worried after hearing this, "Me too, my mother will scold me."

"I didn't write it either! My mother won't scold me, but my father will beat me."

"what to do?"

"The teacher will punish you tomorrow."

Other students who were having a great time also said worriedly when they heard this.

Nobita was very upset after hearing this.

I didn't expect that there would be such trouble.

He looked at Doraemon for help, but Doraemon looked confident.

Nobita was immediately overjoyed, "Doraemon, do you have any idea?"

As soon as he finished speaking, Nobita's classmates all looked at Doraemon.

Except for Fat Tiger, that is Wu Siyuan.

Of course Doraemon has a way, he smiled and said, "Don't worry, I have thought of this situation a long time ago, and I have already thought of a solution."

"Are you using a [time machine]?" Xiaofu, who has the most flexible mind, asked hopefully.

Other students may not understand, but Xiaofu, Fat Tiger, Shizuka and the others often go on adventures with Nobita and Doraemon, and I don’t know how many times they have used the [Time Machine]!

As soon as Doraemon mentioned the solution, Xiaofu remembered this prop.

After hearing what the husband said, Wu Siyuan also looked over.

Among all Doraemon's props, [Time Machine] is one of the props that Wu Siyuan wants to get the most.

If it weren't for the fear of attracting the "Time Police", Wu Siyuan would have jumped into the drawer at Nobita's house, got on the time machine, and swam in the torrent of time.

After Doraemon heard what he said, he shook his head and said, "It's not a [time machine]!"

The husband suddenly became disappointed.

He thought for a moment and asked, "Doraemon, are you going to give us the props to do homework automatically?"

"How is that possible?" Doraemon glanced at Xiaofu angrily, "You have to do the homework assigned by the teacher yourself! This is the attitude of being responsible for yourself."

"But, Doraemon, we don't have time." Shizuka said.

"Don't worry! We have time." Doraemon said with a smile.

As it spoke, it took out the [Any Door] from the fourth-dimensional pocket.

Doraemon added, "I installed a [Jet Difference Adjuster] on this door."

"Just turn it..." Doraemon fiddled with the [Jet Difference Adjuster] installed on the door handle, and then opened the [Any Door].

In the Kingdom of Clouds at [Any Gate], darkness has fallen and the full moon hangs high.

But on the other side of [Any Door] - Nobita's house, the sun is shining brightly.

"ah!"

"ah!"

"ah……"

Nobita's classmates all screamed in surprise.

"What's going on?" Nobita also asked doubtfully.

"I set the [Jet Difference Adjuster] to the time when we come to the Kingdom of Clouds. After we go back through the [Any Door], it will be daytime, so everyone doesn't have to worry about not having time to do homework." Doraemon explained.

"ah!"

"ha!"

Nobita's classmates were half happy and half mourning!

Doraemon didn't care about this, he said to the others, "Okay, let's go back."

After all, children have to go home when they are tired from playing.

Nobita's classmates didn't say anything, and one by one passed through the [any door] and returned to Nobita's house at this time during the day.

Wu Siyuan was the last one to walk into the [Any Door] equipped with a [Jet Difference Adjuster].

He originally wanted to observe the [Jet Difference Adjuster] more, but there was not much time left for him.

Doraemon and Nobita kept urging on the other side.

Wu Siyuan had no choice but to walk in.

In fact, this is not the first time Wu Siyuan has used [Any Door].

But before, I didn’t feel anything when using [Any Door]. I just stepped out and reached another place in the world.

[Any door] is like a wormhole passage.

But this time, after the [Any Door] was loaded with the [Jet Difference Adjuster], Wu Siyuan stepped in and felt completely different.

The world is spinning.

It's changing!

In flattening into various simple dimensions.

Changes that are indescribable in words!

Wu Siyuan felt like he had one foot in the present and one foot in the past.

His body and soul were separated into two different dimensions.

No, not in two dimensions.

But two positions in the long river of time.