de Rooij

1. A Plant-inspired Light Transducer for High-performance Near-infrared Light Mediated Gas Sensing
   Hongping Liang; Xin Guo; Lanpeng Guo; Siying Liu; Qiuqiang Zhan; Haihong Yang; Hao Li; Nicolaas Frans de Rooij; Yi-Kuen Lee; Paddy J. French; Yao Wang; Guofu Zhou;
   Advanced Functional Materials,
   Issue 2215099, pp. 10, 2023. DOI: 10.1002/adfm.202215099
   
   Abstract: ...

   Constructing near-infrared light (NIR) light-enhanced room temperature gas sensors is becoming more promising for practical application. In this study, learning from the structure and photosynthetic process of chlorophyll thylakoid membranes in plants, the first “Thylakoid membrane” structural formaldehyde (HCHO) sensor is constructed by matching the upconversion emission of the lanthanide-doped upconversion nanoparticles (UCNPs) and the UV–vis adsorp- tion of the as-prepared nanocomposites. The NIR-mediated sensor exhibits excellent performances, including ultra-high response (Ra / Rg = 2.22, 1 ppm), low practical limit of detection (50 ppb), reliable repeatability, high selectivity,and broadband spectral response. The practicality of the NIR-mediated gas sensor is confirmed through the remote and external stimulation test. A study of sensing mechanism demonstrates that it is the UCNPs-based light transducer produces more light-induced oxygen species for gas response in the process of non-radiative/radiative energy transfer, playing a key role in significantly improving the sensing properties of the sensor. The universality of NIR-mediated gas sensors based on UCNPs is verified using ZnO, In2O3, and SnO2 systems. This work paves a way for fabricating high-performance NIR-mediated gas sensors and will expand the application fields of NIR light.

2. Resolving Power of Visible-To-Near-Infrared Hybrid β-Ta/Nb-Ti-N Kinetic Inductance Detectors
   Kevin Kouwenhoven; Daniel Fan; Enrico Biancalani; Steven A.H. de Rooij; Tawab Karim; Carlas S. Smith; Vignesh Murugesan; David J. Thoen; Jochem J.A. Baselmans; Pieter J. de Visser;
   Physical Review Applied,
   Volume 19, Issue 3, Mar. 2023. DOI: 10.1103/PhysRevApplied.19.034007

3. Carbon-Iron Electron Transport Channels in Porphyrin–Graphene Complex for ppb-Level Room Temperature NO Gas Sensing
   Yixun Gao; Jianqiang Wang; Yancong Feng; Nengjie Cao; Hao Li; Nicolaas Frans de Rooij; Ahmad Umar; Paddy J. French; Yao Wang; Guofu Zhou;
   SMALL,
   pp. 9, 2022. DOI: 10.1002/smll.202103259
   
   Abstract: ...

   It is a great challenge to develop efficient room-temperature sensing materials and sensors for nitric oxide (NO) gas, which is a biomarker molecule used in the monitoring of inflammatory respiratory diseases. Herein, Hemin (Fe (III)-protoporphyrin IX) is introduced into the nitrogen-doped reduced graphene oxide (N-rGO) to obtain a novel sensing material HNGethanol. Detailed XPS spectra and DFT calculations confirm the formation of carbon–iron bonds in HNG-ethanol during synthesis process, which act as electron transport channels from graphene to Hemin. Owing to this unique chemical structure, HNG-ethanol exhibits superior gas sensing properties toward NO gas (Ra/Rg = 3.05, 20 ppm) with a practical limit of detection (LOD) of 500 ppb and reliable repeatability (over 5 cycles). The HNG-ethanol sensor also possesses high selectivity against other exhaled gases, high humidity resistance, and stability (less than 3% decrease over 30 days). In addition, a deep understanding of the gas sensing mechanisms is proposed for the first time in this work, which is instructive to the community for fabricating sensing materials based on graphene-iron derivatives in the future.

4. Assembly of Core/Shell Nanospheres of Amorphous Hemin/ Acetone-Derived Carbonized Polymer with Graphene Nanosheets for Room-Temperature NO Sensing
   Jianqiang Wang; Yixun Gao; Fengjia Chen; Lulu Zhang; Hao Li; Nicolaas Frans de Rooij; Ahmad Umar; Yi-Kuen Lee; Paddy J. French; Bai Yang, Yao Wang; Guofu Zhou;
   Applied Materials and Interfaces,
   Volume 14, December 2022. DOI: https://doi.org/10.1021/acsami.2c16769
   
   Keywords: ...

   nitric oxide sensor, Hemin, graphene, carbonized polymer, core−shell structure.
   
   
   Abstract: ...

   Implementing parts per billion-level nitric oxide (NO) sensing at room temperature (RT) is still in extreme demand for monitoring inflammatory respiratory diseases. Herein, we have prepared a kind of core−shell structural Hemin-based nanospheres (Abbr.: Hemin-nanospheres, defined as HNSs) with the core of amorphous Hemin and the shell of acetone-derived carbonized polymer, whose core−shell structure was verified by XPS with argon-ion etching. Then, the HNSassembled reduced graphene oxide composite (defined as HNS-rGO) was prepared for RT NO sensing. The acetone-derived carbonized polymer shell not only assists the formation of amorphous Hemin core by disrupting their crystallization to release more Fe−N4 active sites, but provides protection to the core. Owing to the unique core−shell structure, the obtained HNS-rGO based sensor exhibited superior RT gas sensing properties toward NO, including a relatively higher response (Ra/Rg = 5.8, 20 ppm), a lower practical limit of detection (100 ppb), relatively reliable repeatability (over 6 cycles), excellent selectivity, and much higher long-term stability (less than a 5% decrease over 120 days). The sensing mechanism has also been proposed based on charge transfer theory. The superior gas sensing properties of HNS-rGO are ascribed to the more Fe−N4 active sites available under the amorphous state of the Hemin core and to the physical protection by the shell of acetonederived carbonized polymer. This work presents a facile strategy of constructing a high-performance carbon-based core−shell nanostructure for gas sensing.

5. Three-Dimensional Graphene-Based Foams with “Greater Electron Transferring Areas” Deriving High Gas Sensitivity
   Zhuo Chen; Jinrong Wang; Nengjie Cao; Yao Wang; Hao Li; Nicolaas Frans de Rooij; Ahmad Umar; Yancong Feng; Paddy French; Guofu Zhou;
   Applied Nano Materials,
   Volume 4, pp. 13234-13245, 2021. DOI: https://doi.org/10.1021/acsanm.1c02759
   
   Keywords: ...

   graphene foams, supramolecular assembly, lyophilization, charge transfer, gas sensors.
   
   
   Abstract: ...

   Graphene foams are promising three-dimensional (3D) architectures with the combination of the intrinsic nature of graphene and unique cellular structures for various realms. Herein, a facile technique is developed by combining supramolecular assembly with lyophilization to functionalize graphene with donor−π-acceptor (D−π- A) molecules and then massively transform the two-dimensional (2D) plane nanosheets into 3D foams. The as-prepared gas sensors work at room temperature (RT) and reveal comprehensive gas sensing performance with an ultrahigh response (Ra/Rg = 3.2, 10 ppm), excellent selectivity, and reliable repeatability toward NO2. Notably, a gas sensing enhancement mechanism with density functional theory (DFT) calculations is proposed to unravel the synergetic effect of the “Greater Electron Transferring Area” and the specific 3D foam structure for the enhancement of charge transfer and NO2 adsorption. The combination of supramolecular assembly and the lyophilization technique provides a strategy to prepare 3D architectural graphene-based materials for high-performance gas sensors and chemical trace detectors.

6. Strong reduction of quasiparticle fluctuations in a superconductor due to decoupling of the quasiparticle number and lifetime
   de Rooij, Steven A. H.; Baselmans, Jochem J. A.; Murugesan, Vignesh; Thoen, David J.; de Visser, Pieter J.;
   Physical Review B,
   Volume 104, Issue 18, pp. L180506, Nov. 2021. DOI: 10.1103/PhysRevB.104.L180506
   document

7. Phonon-Trapping-Enhanced Energy Resolution in Superconducting Single-Photon Detectors
   de Visser, Pieter J.; de Rooij, Steven A.H.; Murugesan, Vignesh; Thoen, David J.; Baselmans, Jochem J.A.;
   Physical Review Applied,
   Volume 16, Issue 3, pp. 034051, Sep. 2021. DOI: 10.1103/PhysRevApplied.16.034051
   document

8. ar-infrared sensor with LPCVD-deposited low-stress Si-rich nitride absorber membranes: Part 1. Optical absorptivity
   F. Jutzi; D.H.B. Wicaksono; G. Pandraud; N. de Rooij; P.J. French;
   Sensors and actuators a-physical,
   Volume 152, pp. 119-125, 2009.

9. Far-infrared sensor with LPCVD-deposited low-stress Si-rich nitride absorber membrane: Part 2: Thermal property, and sensitivity
   F. jutzi; D.H.B. Wicaksono; G. Pandraud; N. de Rooij; P.J. French;
   Sensors and actuators a-physical,
   Volume 152, pp. 126-138, 2009.

10. Far-infrared sensor with LPCVD-deposited low-stress Si-rich nitride absorber membrane¿Part 2: Thermal property, and sensitivity
    F. jutzi; D.H.B. Wicaksono; G. Pandraud; N. de rooij; P.J. French;
    Sensors and Actuators A: Physical: an international journal devoted to research and development of physical and chemical transducers,
    Volume 152, pp. 126-138, 2009.

11. Far-infrared sensor with LPCVD-deposited low-stress Si-rich nitride absorber membrane-part 2.Thermal property and sensitivity
    F. jutzi; D.H.B. Wicaksono; G. Pandraud; N. de rooij; P.J. French;
    Sensors and Actuators A: Physical: an international journal devoted to research and development of physical and chemical transducers,
    Volume A152-2(2), pp. 126-138, 2009.

12. Far-infrared sensor with LPCVD-deposited low-stress Si-rich nitride absorber membrane¿Part 1. Optical absorptivity
    F. jutzi; D.H.B. Wicaksono; G. Pandraud; N. de rooij; P.J. French;
    Sensors and Actuators A: Physical: an international journal devoted to research and development of physical and chemical transducers,
    Volume 152, pp. 119-125, 2009.

13. Optical and thermal properties investigation of Si-rich nitride membrane for bio-inspired far infrared sensor applications
    D.H.B. Wicaksono; F. jutzi; G. Pandraud; N.F. de Rooij; P.J. French;
    In s.n. (Ed.), apcot, pp. 397-400, 2008.

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