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Figure 1: The nanocomposite film shows significant strain before (left) and after (right) exposure to light.
Fig. 2 a) Cross-sectional SEM of the nanometric gradient distribution composite film and b) Photomechanical response curve (inset)
Photo-deformable materials are a type of smart material that can change shape—such as stretching or bending—when exposed to specific wavelengths of light, including ultraviolet or visible light. These materials offer remote, non-contact, and multi-selective control, making them ideal for applications like photosensitive switches, optical sensors, and optical-driven motors, where light energy is directly converted into mechanical motion. Compared to traditional azobenzene-based photodegradable polymers, organic dye molecular crystals with photoisomerization properties demonstrate better repeatability and faster response times. They represent an emerging class of photodeformable materials, but achieving efficient photomechanical conversion at the macro scale remains a major challenge.
Recently, a research team led by Dr. Chen Wei from the International Laboratory at the Suzhou Institute of Nanoscience and Nanobionics, Chinese Academy of Sciences, has made significant progress in developing a nanomolecular organic dye molecular crystal composite system that exhibits strong photomechanical responses. Using a method similar to the selective orientation and gradient distribution of liquid crystals, they successfully assembled N-α-naphthyl-2-hydroxy-1-naphthaldehyde aldehyde imine nanorods within a polyvinylidene fluoride matrix. This resulted in a novel intelligent photo-induced deformation film. The material can bend significantly under weak 365 nm UV light and fully recover in the dark. By assembling these nanocrystals, the study effectively scaled up the molecular-level photomechanical conversion to a macroscopic level, offering a promising approach for designing next-generation photodeformable smart materials. The findings have been published in *Angewandte Chemie International Edition* (DOI: 10.1002/anie.201300856).
This research was supported by the National Natural Science Foundation of China, the Ministry of Science and Technology, and the Natural Science Foundation of Jiangsu Province.
Prefabricated dome house villas are the first choice for scenic homestays
Now there are many prefabricated dome house villas in various scenic spots. Such villas are unique in style and also belong to the type of special-shaped house design. The surface of the prefabricated dome house can also be painted with different colors. If it is used as a homestay, it can also be used for more style settings. In fact, this type of villa has a large area, and can also be customized, so the advantages of using it as a homestay are also very obvious.
Different types of villas can be customized
The graphene EPS dome villa looks very small, but in fact its internal space is not very small, and different interior space types can be customized. For example, you can directly choose an ordinary standard room, which has a bed, office area, bathroom, etc. inside. The area is relatively small, and it can also guarantee a variety of different functions. There are single rooms or double rooms, which can be customized according to our needs. Villas can also be selected in a variety of area specifications.
High construction efficiency
The construction of this type of housing is very simple, and the construction is directly and uniformly carried out by the manufacturer, and the construction is carried out in a standardized manner, so the rapid completion of the installation is also guaranteed. If you want to build quickly in some open space, you only need to determine our needs, and then contact the manufacturer to customize the processing, so that the construction can basically be completed within a few hours.
Wide range of applications
The scope of application of graphene EPS dome villas is still very wide. For example, many indoor supermarkets in tourist attractions will use this type of villas. The space is relatively large, and different designs can also be carried out. Various functional areas can be divided inside. . At the same time, it can also be used in some scenic spots to make farmhouses, homestays, etc. The construction is simple, the price is favorable, and it can also be used in different scenic spots. It only needs to be planned in advance.
ready to move
The self-weight of graphene EPS dome villas is relatively light, and they are all directly standardized production by manufacturers, which is not only convenient for installation, but also convenient for later transportation. Even if it is not used in one area, it can also be used again in a different area, which is convenient for daily transportation and can also meet our use requirements.
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