Zobrazeno 1 - 10
of 1 427
pro vyhledávání: '"white light-emitting diodes"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract The development of efficient and environmentally sustainable materials for white light-emitting diodes (WLEDs) is of paramount importance in the field of lighting technology. In this study, we present a solvent-modulated synthesis approach f
Externí odkaz:
https://doaj.org/article/e03398f571c24983a29104d5e26f76bb
Publikováno v:
Opto-Electronic Advances, Vol 7, Iss 9, Pp 1-10 (2024)
Ag-In-Ga-S (AIGS) quantum dots (QDs) have recently attracted great interests due to the outstanding optical properties and eco-friendly components, which are considered as an alternative replacement for toxic Pb- and Cd-based QDs. However, enormous a
Externí odkaz:
https://doaj.org/article/71790e2aec5c46de8c182117c07e7b2b
Autor:
Xuanchu Liu, Congcong Yang, Yanbin Li, Chang Min, Jian Kang, Tianyuan Zhou, Chunming Zhou, Chaofan Shi, Cen Shao, Bingheng Sun, Wieslaw Strek, Hao Chen, Le Zhang
Publikováno v:
Journal of Advanced Ceramics, Vol 13, Iss 6, Pp 810-820 (2024)
Achieving a high color rendering index (CRI) and luminous stability in single-structured Ce:Y3Al5O12 (Ce:YAG) phosphor ceramics (PCs) is crucial for high-power white light-emitting diodes or laser diodes (LEDs/LDs). However, cyan valleys and insuffic
Externí odkaz:
https://doaj.org/article/f3e639652f7c4c32b955aab3b4b5594a
Autor:
Mehdi Estili, Rong-Jun Xie, Kohsei Takahashi, Shiro Funahashi, Tohru S. Suzuki, Naoto Hirosaki
Publikováno v:
Science and Technology of Advanced Materials, Vol 25, Iss 1 (2024)
Nitrides and oxynitrides isostructural to α-Si3N4 (M-α-SiAlON, M = Sr, Ca, Li) possess superb thermally stable photoluminescence (PL) properties, making them reliable phosphors for high-power solid-state lighting. However, the synthesis of phase-pu
Externí odkaz:
https://doaj.org/article/5b9bde5496ad4c5cb0683dc5719d63f5
Autor:
Renjing Chen, Zhibin Wang, Qian Teng, Chenhao Li, Jinsui Li, Lingwei Zeng, Ruidan Zhang, Feng Huang, Lei Lei, Fanglong Yuan, Daqin Chen
Publikováno v:
Advanced Science, Vol 11, Iss 30, Pp n/a-n/a (2024)
Abstract White light‐emitting diodes (WLEDs) with high color‐rendering index (CRI, >90) are important for backlight displays and solid‐state lighting applications. Although the well‐developed colloidal quantum dots (QDs) based on heavy metals
Externí odkaz:
https://doaj.org/article/598dca69d6914f839c6a43ecb0b976fa
Autor:
Zimin Yao, Xiaokun Wen, Xia Hong, Ran Tao, Feifei Yin, Shuo Cao, Jiayi Yan, Kexin Wang, Jiwei Wang
Publikováno v:
Advanced Science, Vol 11, Iss 29, Pp n/a-n/a (2024)
Abstract Constrained by a limited understanding of the structure and luminescence mechanisms of carbon dots (CDs), achieving precise enhancement of their photoluminescence (PL) performance without altering the emission wavelength and color remains a
Externí odkaz:
https://doaj.org/article/0b3ea81a7d0f4cd2baecfecb6937c448
Publikováno v:
International Journal of Technology, Vol 15, Iss 1, Pp 8-17 (2024)
The research herein concerns the composite of red phosphor of LiLu(MoO4)2:Sm3+ (LMOS), yellow phosphor YAG:Ce3+, SiO2 particles, and silicone gel. The LMOS phosphor is created via the sol-gel procedure and supposed to yields significant heat cons
Externí odkaz:
https://doaj.org/article/bfe1c1b54dc948d28bffa28d27861705
Publikováno v:
Small Structures, Vol 5, Iss 5, Pp n/a-n/a (2024)
Organic–inorganic hybrid Ge(II)‐based metal halides have garnered significant interest due to their intriguing photophysical properties and environmentally friendly characteristics. However, challenges such as poor stability, low emission intensi
Externí odkaz:
https://doaj.org/article/790621775b4547e3bec73453d483562d
Autor:
Yajing Chang, Guoqing Tong, Liping Liu, Junchun Li, Jingting Yang, Zongsheng Chen, Zhigang Li, Shaobo Zhang, Ru Zhou, Yang Jiang
Publikováno v:
EcoMat, Vol 6, Iss 3, Pp n/a-n/a (2024)
Abstract Anion exchange is an effective strategy to regulate the composition and optoelectronic properties of perovskite quantum dots (PQDs). Though promising, it is more desirable to synthesize PQDs to avoid the decrease of photoluminescence quantum
Externí odkaz:
https://doaj.org/article/2281ee207b6c4be29914b6e2181fbb17
Autor:
Georges Zissis, Paolo Bertoldi
Publikováno v:
IEEE Open Journal of Industry Applications, Vol 4, Pp 111-120 (2023)
Research and development over the last century have historically concentrated on improving one specific aspect of energy efficiency. The market penetration rate for systems using solid-state light sources is currently between 40 and 45 percent, and i
Externí odkaz:
https://doaj.org/article/516cef137bd44372a34a66aa5e092a80