Recent progress of reversible thermochromic hydrogels and their application in smart windows

发表于 2025-11-6 09:05:55

Nano Research ( IF 9 ) Pub Date : 2025-7-4 , DOI: 10.26599/nr.2025.94907767
Lanlan Deng , Xiaodong Xu , Zhan’ao Tan

发表于 2025-11-6 09:05:56

It seems that you're referencing an article titled *"Recent progress of reversible thermochromic hydrogels and their application in smart windows"* published in *Nano Research*, with an impact factor (IF) of 9. According to the publication date you provided, this article is set to be published on July 4, 2025, with the DOI: 10.26599/nr.2025.94907767.

Given that the publication date is in the future, the full article may not yet be available or accessible for review. However, if you are looking for general insight into the subject matter — reversible thermochromic hydrogels and smart windows — I can provide some context based on current knowledge up to October 2023.

### 1. **Reversible Thermochromic Hydrogels**
- **Properties**:
   Reversible thermochromic hydrogels are materials that change their color dynamically in response to temperature changes, and this color shift is reversible. This behavior is typically due to structural modifications within the hydrogel network or the incorporation of thermochromic dyes or nanoparticles.

- **Mechanism**:
   The color change often arises due to changes in phase transitions, molecular interactions, or light absorption/reflection properties as temperature varies. Commonly used thermochromic systems include liquid crystal-based hydrogels or hydrogels using leuco dye-based mechanisms combined with polymer matrices.

- **Advantages**:
   These hydrogels exhibit tunable optical properties, flexibility, and environmental responsiveness, making them highly suitable for various applications. Their reversibility ensures long-term performance without degradation in function.

### 2. **Application in Smart Windows**
- **Functionality**:
   Smart windows equipped with thermochromic hydrogels can regulate indoor light and heat transmission based on external temperature, improving energy efficiency in buildings. During hot conditions, they block sunlight to reduce cooling costs; in colder conditions, they allow more sunlight to minimize heating demands.

- **Benefits**:
   These windows play a significant role in sustainable architecture by reducing reliance on artificial heating and cooling systems, thereby supporting environmental sustainability goals. Additionally, they enhance comfort for occupants by maintaining optimal indoor environments.

- **Recent Advances**:
   In recent years, researchers have explored multi-functional hydrogel systems that combine thermochromism with other properties such as self-healing, anti-fogging capabilities, UV resistance, and energy storage functionalities. Efforts are underway to improve the durability, response time, and temperature sensitivity of these materials.

### 3. **Challenges in Development**
- Achieving a balance between optical clarity, efficient thermochromic response, and long-term stability remains a critical challenge.
- Scalability and cost-effective manufacturing of smart windows with thermochromic hydrogels are areas of active investigation.
- Researchers are exploring non-toxic and environmentally friendly materials to address safety and sustainability concerns.

If you need assistance with obtaining this specific article once it's officially published, or further detailed technical insights into the topic, feel free to ask!

发表于 2025-11-6 09:07:09

It appears that you're looking for information or a summary of the article titled **"Recent progress of reversible thermochromic hydrogels and their application in smart windows"** published in *Nano Research* with a future publication date (2025-7-4). Unfortunately, since my knowledge only extends to October 2023, I cannot access or summarize content from a paper set to be published in 2025, nor do I have real-time access to articles via DOI links.

However, I can provide some general insights about the topic based on prior research:

### **Reversible Thermochromic Hydrogels in Smart Windows**
1. **Thermochromic Hydrogels:**
- Thermochromic materials change their optical properties (e.g., color or transparency) in response to temperature.
- Hydrogels, which are polymeric networks that retain water, are increasingly used in thermochromic applications due to their ability to respond to environmental stimuli such as heat, humidity, or light.
- Reversible thermochromic hydrogels are particularly valuable because they can repeatedly switch between states under changing temperatures, enhancing durability.

2. **Application in Smart Windows:**
- Smart windows using thermochromic hydrogels aim to regulate indoor climate by controlling light and heat transmission.
- These windows can reduce energy consumption by blocking unwanted heat during warm conditions or allowing solar heat during colder periods.
- Hydrogels offer innovative solutions with better adaptability, tunability of transition temperatures, and sustainable manufacturing compared to older technologies (e.g., liquid crystals, photochromics).

3. **Key Advances:**
- Development of hydrogels with improved transparency.
- Enhanced durability and reduced operating temperatures for practicality in residential and commercial settings.
- Incorporation of nanomaterials (such as nanoparticles or nano-coatings) to improve heat sensitivity, switching speed, and performance stability.

If you'd like, I can help you explore existing literature or other general concepts related to thermochromic hydrogels and smart windows! Alternatively, as the publication date approaches in 2025, accessing the full paper through platforms like *Nano Research* might provide the most accurate and complete details.

发表于 2025-11-6 09:08:11

It seems you are referencing a future publication (dated July 4, 2025) in *Nano Research*. Unfortunately, I cannot access information from the future, as my training only goes up to October 2023. However, I can provide you with context about reversible thermochromic hydrogels and their application in smart windows.

### **Reversible Thermochromic Hydrogels**
Reversible thermochromic hydrogels are materials that change their optical properties—specifically their color or transparency—in response to temperature changes. This thermochromic behavior is due to alterations in the molecular structure or aggregation states of chromophores embedded within the hydrogel matrix. These materials are highly versatile due to their ability to undergo reversible changes, making them ideal for dynamic applications.

### **Applications in Smart Windows**
Smart windows incorporating reversible thermochromic hydrogels offer energy-efficient solutions for buildings by dynamically regulating indoor thermal environments. Key aspects and progress include:
1. **Thermal Regulation**: By adjusting transparency or coloration according to temperature, thermochromic hydrogels help reduce heat gain or loss inside buildings, cutting down on cooling and heating costs.
2. **Solar Modulation**: These materials can block ultraviolet (UV) and infrared (IR) radiation while allowing visible light transmission, improving comfort and reducing glare.
3. **Environmental Benefits**: They contribute to sustainability by enhancing energy efficiency, reducing reliance on artificial climate control systems.
4. **Improved Longevity and Stability**: Current research focuses on enhancing the mechanical durability, reversibility, and switching speed of thermochromic hydrogels, thereby improving their practical viability for smart windows.

If you'd like, I can assist with finding similar research or predictions about this field based on existing trends!

发表于 2025-11-6 09:09:16

您似乎已经粘贴了一个关于可逆热变色水凝胶和它们在智能窗户应用方面进步的摘要或参考。然而，您没有提问或要求任何特定的信息。我可以查找更多这篇文章的细节，或者我可以提供有关这个主题的一般信息。

可逆热变色水凝胶是一种非常有趣的材料，它可以根据温度的变化改变颜色。这使得它们在各种应用中都有极大的潜力，包括作为智能窗户的一部分。智能窗户可以根据环境的温度自动调节其透明度，从而帮助控制室内的温度并提高能源效率。

如果您需要更具体的信息，或者对这个主题有任何具体的问题，请随时告诉我！

发表于 2025-11-6 09:10:16

Sorry, as an AI assistant, I am currently unable to pull the full contents of academic papers or provide real-time updates on academic papers. However, I can provide a general understanding of what reversible thermochromic hydrogels are, their recent progress and potential applications.

Reversible thermochromic hydrogels are smart materials that can change their color according to the temperature changes. The color change is reversible which means that once the temperature returns to its original state, the color of these hydrogels also returns to the original color.

Recent progress in the development of these hydrogels has seen improvements in the response time, repeatability, and stability under continuous heating/cooling cycles. They also have been engineered to exhibit temperature-selective transparency, allowing them to block or allow light to pass at different temperatures.

One of the main potential applications is smart windows that could self-regulate depending on the surrounding temperature. For example, in hot weather, the windows could darken to block out sunlight and keep the interior cool. When the weather cools down, the windows become transparent again. This could lead to significant energy savings in terms of air conditioning and heating.

It should be noted that this is a generic explanation based on the concept of reversible thermochromic hydrogels. For more detailed and specific information, the original paper should be referenced.

发表于 2025-11-7 15:26:01

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