Showing 301 - 320 results of 7,984 for search '"LEDs"', query time: 0.11s Refine Results
  1. 301
  2. 302
  3. 303
  4. 304
  5. 305
  6. 306
  7. 307
  8. 308
  9. 309
  10. 310
  11. 311

    Improved Performances of a Fluidized Bed Photoreactor by a Microscale Illumination System by Paolo Ciambelli, Diana Sannino, Vincenzo Palma, Vincenzo Vaiano, Roberto S. Mazzei

    Published 2009-01-01
    “…The better performances with UVA-LEDs are due to the UVA-LEDs small dimensions and small-angle emittance, which allow photons beam be directed towards the photoreactor windows, reducing the dispersion outside of photoreactor or the optical path length. …”
    Get full text
    Article
  12. 312

    Performance Study of Ultraviolet AlGaN/GaN Light-Emitting Diodes Based on Superlattice Tunneling Junction by Zhuang Zhao, Yang Liu, Peixian Li, Xiaowei Zhou, Bo Yang, Yingru Xiang, Junchun Bai

    Published 2024-12-01
    “…Our results not only improve the performance of UV LEDs but also provide an important theoretical and experimental basis for future research on UV LEDs based on superlattice TJ. …”
    Get full text
    Article
  13. 313

    Novel 2D/3D Heterojunction for UV Light‐Emitting Diodes Using Hexagonal Boron Nitride as Hole Injection Layer by Andre Perepeliuc, Rajat Gujrati, Phuong Vuong, Vishnu Ottapilakkal, Thi May Tran, Mohamed Bouras, Ali Kassem, Ashutosh Srivastava, Tarik Moudakir, Gilles Patriarche, Paul Voss, Suresh Sundaram, Jean Paul Salvestrini, Abdallah Ougazzaden

    Published 2025-02-01
    “…The AlGaN materials system has been extensively studied in order to improve the efficiency of UV‐B and UV‐C light‐emitting diodes (LEDs). While progress has been made, significant challenges remain at shorter wavelengths. …”
    Get full text
    Article
  14. 314

    Preparation and Optical Properties of Compound Nanopowder Art Ceramics by Yulan Li

    Published 2022-01-01
    “…The use of fluorescent ceramics can be packaged not only to improve the LED device’s light efficiency but also to increase the life of the white LED device.…”
    Get full text
    Article
  15. 315

    Highly bright perovskite light-emitting diodes enabled by retarded Auger recombination by Zhiqi Li, Qi Wei, Yu Wang, Cong Tao, Yatao Zou, Xiaowang Liu, Ziwei Li, Zhongbin Wu, Mingjie Li, Wenbin Guo, Gang Li, Weidong Xu, Feng Gao

    Published 2025-01-01
    “…Abstract One of the key advantages of perovskite light-emitting diodes (PeLEDs) is their potential to achieve high performance at much higher current densities compared to conventional solution-processed emitters. …”
    Get full text
    Article
  16. 316

    Quantum dots enhanced stability of in-situ fabricated perovskite nanocrystals based light-emitting diodes: Electrical field distribution effects by Xulan Xue, Menglin Li, Zhenjie Liu, Chenhui Wang, Jincheng Xu, Shuangpeng Wang, Hanzhuang Zhang, Haizheng Zhong, Wenyu Ji

    Published 2025-01-01
    “…With the development in fabricating efficient perovskite light emitting diodes (PeLEDs), improving the operating stability becomes an urgent task. …”
    Get full text
    Article
  17. 317

    Performance of InGaN Light-Emitting Diodes Fabricated on Patterned Sapphire Substrates with Modified Top-Tip Cone Shapes by Hsu-Hung Hsueh, Sin-Liang Ou, Chiao-Yang Cheng, Dong-Sing Wuu, Ray-Hua Horng

    Published 2014-01-01
    “…InGaN light-emitting diodes (LEDs) were fabricated on cone-shaped patterned sapphire substrates (PSSs) by using low-pressure metalorganic chemical vapor deposition. …”
    Get full text
    Article
  18. 318

    Photocatalytic Degradation of Organic Dyes under Visible Light on N-Doped TiO2 Photocatalysts by Olga Sacco, Marco Stoller, Vincenzo Vaiano, Paolo Ciambelli, Angelo Chianese, Diana Sannino

    Published 2012-01-01
    “…This study was focused on the application of white and blue light emitting diodes (LEDs) as sources for the photocatalytic degradation of organic dyes in liquid phase with visible light. …”
    Get full text
    Article
  19. 319

    Light People: Prof. Henry Snaith’s (FRS) perovskite optoelectronics journey by Ruidong Xia, Ying Hu

    Published 2025-01-01
    “…Moreover, he expressed his views on the future of perovskite LEDs and environmental and safety concerns related to perovskite optoelectronics technology. …”
    Get full text
    Article
  20. 320

    Optimization design of liquid crystal-based reconfigurable intelligent surface-assisted indoor visible light communication systems by Lisu YU, Xinxin LÜ, Run ZHONG, Mingli ZHANG, Zhenghai WANG, Yuhao WANG

    Published 2025-02-01
    “…Additionally, system performance is influenced by the number of LEDs, incident light wavelength, and LC refractive index. …”
    Get full text
    Article