Publications by Yunpeng Qu | EPFL Graph Search

Thermally Drawn Elastomer Nanocomposites for Soft Mechanical Sensors

Inès Richard, Fabien Sorin, Yunpeng Qu, Stella Andréa Françoise Laperrousaz, Chaoqun Dong, Andreas Leber

Stretchable and conductive nanocomposites are emerging as important constituents of soft mechanical sensors for health monitoring, human-machine interactions, and soft robotics. However, tuning the materials' properties and sensor structures to the targete ...

WILEY2023

Edible fiber

Véronique Michaud, Francesco Stellacci, Federica Sordo, Fabien Sorin, Yunpeng Qu, Emma-Rose Janecek

The invention provides an edible fiber comprising a biopolymer and a plasticiser; wherein the weight ratio of biopolymer to plasticiser is about 1:0.25 to about 1:3; and wherein the fiber has a diameter of about 0.5 μm to about 1 mm. ...

2021

High-efficiency super-elastic liquid metal based triboelectric fibers and textiles

Rajasundar Chandran, Dang Tùng Nguyen, Fabien Sorin, Wei Yan, Nicola Bartolomei, Yunpeng Qu, Marco Volpi, Chaoqun Dong, Andreas Leber

Fibers that harvest mechanical energy via the triboelectric effect are excellent candidates aspower sources for wearable electronics and functional textiles. Thus far however, their fab-rication remains complex, and exhibited performances are below the sta ...

Nature Research2020

Structured nanoscale metallic glass fibres with extreme aspect ratios

Giuseppe Schiavone, Güven Kurtuldu, Inès Richard, Stéphanie Lacour, Grégoire Courtine, Dang Tùng Nguyen, Fabien Sorin, Wei Yan, Yunpeng Qu, Vasiliki Tileli, Nicholas David James, Jordan Squair, Reinis Ignatans

Micro- and nanoscale metallic glasses offer exciting opportunities for both fundamental research and applications in healthcare, micro-engineering, optics and electronics. The scientific and technological challenges associated with the fabrication and util ...

Nature Publishing Group2020

Microstructured Fibers for the Production of Food

Véronique Michaud, Francesco Stellacci, Federica Sordo, Fabien Sorin, Yunpeng Qu, Emma-Rose Janecek

Food engineering faces the difficult challenge of combining taste, i.e., tailoring texture and rheology of food matrices with the balanced intake of healthy nutrients. In materials science, fiber suspensions and composites have been developed as a versatil ...

Wiley2019

Super-elastic multi-material optical fibers for health-care applications

Dang Tùng Nguyen, Fabien Sorin, Alexis Gérald Page, Wei Yan, Nicola Bartolomei, Yunpeng Qu, Andreas Leber

Stretchable optical and electronic fibers constitute increasingly important building blocks for a myriad of applications, particularly in robotics, soft prosthesis, surgical tools and implants, and smart medical textiles. The integration of multi-material ...

SPIE-INT SOC OPTICAL ENGINEERING2019

Self-assembly of nanostructured glass metasurfaces via templated fluid instabilities

Hatice Altug, Dang Tùng Nguyen, Fabien Sorin, Filiz Yesilköy, Alexis Gérald Page, Wei Yan, Arthur Le Bris, Yunpeng Qu, Louis Marie Philippe Martin-Monier, Kuan-Ting Ho

Modern devices require the tuning of the size, shape and spatial arrangement of nano-objects and their assemblies with nanometre-scale precision, over large-area and sometimes soft substrates. Such stringent requirements are beyond the reach of conventiona ...

Nature Publishing Group2019

Compressible and Electrically Conducting Fibers for Large‐Area Sensing of Pressures

Fabien Sorin, Alexis Gérald Page, Shahrzad Shadman Yazdi, Yunpeng Qu, Pedro Miguel Nunes Pereira de Almeida Reis, Andreas Leber, Dong Yan

Flexible pressure sensors offer a wide application range in health monitoring and human–machine interaction. However, their implementation in functional textiles and wearable electronics is limited because existing devices are usually small, 0D elements, a ...

2019

Advanced Multimaterial Electronic and Optoelectronic Fibers and Textiles

Federica Sordo, Dang Tùng Nguyen, Fabien Sorin, Alexis Gérald Page, Wei Yan, Yunpeng Qu

The ability to integrate complex electronic and optoelectronic functionalities within soft and thin fibers is one of today's key advanced manufacturing challenges. Multifunctional and connected fiber devices will be at the heart of the development of smart ...

Wiley-V C H Verlag Gmbh2019

Multi-material and Multi-functional Optical Fibers

Fabien Sorin, Alexis Gérald Page, Wei Yan, Yunpeng Qu

We will present the material science behind thermal drawing that enables us to impart optical fibers with novel architectures and advanced optoelectronic functionalities, as well as propose a new avenue for soft optical devices. ...

2018

Template assisted dewetting of optical glasses for large area, flexible and stretchable all dielectric metasurfaces

Dang Tùng Nguyen, Fabien Sorin, Alexis Gérald Page, Wei Yan, Arthur Le Bris, Yunpeng Qu, Louis Marie Philippe Martin-Monier

We propose for the first time template-assisted dewetting of high-index chalcogenide glasses for low-cost manufacturing of all-dielectric metasurfaces on large-area flexible and stretchable substrates. ...

OSA Publishing2018

Superelastic Multimaterial Electronic and Photonic Fibers and Devices via Thermal Drawing

Valentine Dominique Favrod, Dang Tùng Nguyen, Fabien Sorin, Alexis Gérald Page, Wei Yan, Nicola Bartolomei, Yunpeng Qu, René M. Rossi

Wiley2018

Stretchable Optical and Electronic Fibers via Thermal Drawing

Valentine Dominique Favrod, Dang Tùng Nguyen, Fabien Sorin, Alexis Gérald Page, Wei Yan, Nicola Bartolomei, Yunpeng Qu, René M. Rossi

IEEE2018

Multi-material micro-electromechanical fibers with bendable functional domains

Fabien Sorin, Alexis Gérald Page, Wei Yan, Yunpeng Qu, Marco Volpi

The integration of increasingly complex functionalities within thermally drawn multi-material fibers is heralding a novel path towards advanced soft electronics and smart fabrics. Fibers capable of electronic, optoelectronic, piezoelectric or energy harves ...

2017

Controlled Sub-Micrometer Hierarchical Textures Engineered in Polymeric Fibers and Microchannels via Thermal Drawing

Stéphanie Lacour, Dang Tùng Nguyen, Fabien Sorin, Alexis Gérald Page, Wei Yan, Alba Carla De Luca, Yunpeng Qu, Marco Volpi

The controlled texturing of surfaces at the micro- and nanoscales is a powerful method for tailoring how materials interact with liquids, electromagnetic waves, or biological tissues. The increasing scientific and technological interest in advanced fibers ...

2017

Fabrication method of functional micro/nano structures over large-area, flexible and high curvature surfaces, by drawing a fiber from a preform

Dang Tùng Nguyen, Fabien Sorin, Alexis Gérald Page, Wei Yan, Yunpeng Qu

The method for drawing a fiber with a textured surface comprises the following steps: - forming of a preform from which the fiber is to be drawn with a textured surface; - addition of an outer layer to the textured preform to preserve the shape of the text ...

2017

Multi-material stretchable optical, electronic and optoelectronic fibers and ribbons composites via thermal drawing

Dang Tùng Nguyen, Fabien Sorin, Alexis Gérald Page, Wei Yan, Yunpeng Qu, Marco Volpi

The present invention concerns a thermal drawing method for forming fibers, wherein said fibers are made at least from a stretchable polymer. The present invention also concerns drawn fibers made by the process. ...

2017

Multi-material Optoelectronic Fiber Devices

Fabien Sorin, Alexis Gérald Page, Wei Yan, Yunpeng Qu, Marco Volpi

The recent ability to integrate materials with different optical and optoelectronic properties in prescribed architectures within flexible fibers is enabling novel opportunities for advanced optical probes, functional surfaces and smart textiles. In partic ...

SPIE-Int Soc Optical Engineering2017

Microstructure tailoring of selenium-core multimaterial optoelectronic fibers

Cyril Cayron, Dang Tùng Nguyen, Fabien Sorin, Alexis Gérald Page, Wei Yan, Yunpeng Qu, Tapajyoti Dasgupta

The integration of semiconducting materials within thermally drawn multi-material polymer fibers is emerging as a versatile platform for flexible optoelectronics and advanced fabrics. Developing a deeper control over the microstructure of the electrically ...

Optical Society of America2017

Semiconducting Nanowire-Based Optoelectronic Fibers

Dang Tùng Nguyen, Fabien Sorin, Alexis Gérald Page, Wei Yan, Michele Ceriotti, Yunpeng Qu, Mariana Rossi Carvalho

he recent ability to integrate semiconductor-based optoelectronic functionalities within thin fibers is opening intriguing opportunities for flexible electronics and advanced textiles. The scalable integration of high-quality semiconducting devices within ...

Wiley2017