Results 241 to 250 of about 565,015 (288)

Optoelectronic Devices for In‐Sensor Computing

Advanced Materials, EarlyView.
The raw data obtained directly from sensors in the noisy analogue domain is often unstructured, which lacks a predefined format or organization and does not conform to a specific data model. Optoelectronic devices for in‐sensor visual processing can integrate perception, memory, and processing functions in the same physical units, which can compress ...
Qinqi Ren, Chaoyi Zhu, Sijie Ma, Zhaoqing Wang, Jianmin Yan, Tianqing Wan, Weicheng Yan, Yang Chai   +7 more
wiley   +1 more source

Thin Film Stoichiometry and Defects Management for Low Threshold and Air Stable Near‐Infrared Perovskite Laser

Advanced Materials, EarlyView.
As defect density in 3D perovskites is controlled by adjusting excess formamidinium iodide concentration, shallow defects acts as a carrier sink for amplified spontaneous emission (ASE). A comprehensive charge carrier dynamic model is presented to understand the critical factor of the reduction of ASE threshold.
Chun‐Sheng Jack Wu, Andrea Olivati, Giulia Folpini, Heyong Wang, Annamaria Petrozza   +4 more
wiley   +1 more source

Multifunctional Neural Probes Enable Bidirectional Electrical, Optical, and Chemical Recording and Stimulation In Vivo

Advanced Materials, EarlyView.
Convergence drawing is used to create flexible, microscale, multifunctional fiber‐based neural probes. Optimized materials selection enables individual devices to perform neural recording, electrical stimulation, optogenetics, fiber photometry, fluid delivery, and voltammetric neurotransmitter detection in rodents.
Nicolette Driscoll, Marc‐Joseph Antonini, Taylor M. Cannon, Pema Maretich, Greatness Olaitan, Valerie Doan Phi Van, Keisuke Nagao, Atharva Sahasrabudhe, Emmanuel Vargas Paniagua, Ethan J. Frey, Ye Ji Kim, Sydney Hunt, Melissa Hummel, Sanju Mupparaju, Alan Jasanoff, B. Jill Venton, Polina Anikeeva   +16 more
wiley   +1 more source

Emerging Opportunities of Colloidal Quantum Dots for Photocatalytic Organic Transformations

Advanced Materials, EarlyView.
Colloidal quantum dots (QDs) have gained significant attention as photocatalysts in organic transformations in recent years. This review highlights QDs’ distinctive features, including the quantum size effect, compositional and structural diversity, tunable surface chemistry, and photophysics.
Qinxuan Cao, Jianning Feng, Kin Ting Chang, Wenfei Liang, Haipeng Lu   +4 more
wiley   +1 more source

Molecular Control of the Donor/Acceptor Interface Suppresses Charge Recombination Enabling High‐Efficiency Single‐Component Organic Solar Cells

Advanced Materials, EarlyView.
The outstanding double‐cable‐based single‐component material, DCPY2, exhibits a suppressed charge recombination process alongside efficient charge generation. This results in a high fill factor and short‐circuit current, yielding an efficiency to 13.85%.
Yao Li, Richard A. Pacalaj, Yongmin Luo, Keren Ai, Yulong Hai, Shijie Liang, Kezhou Fan, Aleksandr A. Sergeev, Ruijie Ma, Top Archie Dela Peña, Jolanda S. Müller, Zijing Jin, P Shakya Tuladhar, Tao Jia, Jiannong Wang, Gang Li, Kam Sing Wong, Weiwei Li, James R. Durrant, Jiaying Wu   +19 more
wiley   +1 more source

Pushing Radiative Cooling Technology to Real Applications

Advanced Materials, EarlyView.
Radiative cooling controls surface optical properties for solar and thermal radiation, offering solutions for global warming and energy savings. Despite significant advances, key challenges remain: optimizing optical efficiency, maintaining aesthetics, preventing overcooling, enhancing durability, and enabling scalable production.
Chongjia Lin, Keqiao Li, Meng Li, Benjamin Dopphoopha, Jiongzhi Zheng, Jiazheng Wang, Shanshan Du, Yang Li, Baoling Huang   +8 more
wiley   +1 more source

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EXPONENTIAL AND LOGARITHMIC FUNCTIONS

1981
Publisher Summary This chapter discusses exponential and logarithmic functions. Exponential functions arise in nature and are useful in chemistry, biology, and economics, as well as in mathematics and engineering. Logarithms can be viewed as another way of writing exponents.
BERNARD KOLMAN, ARNOLD SHAPIRO
openaire   +4 more sources

On the Exponential Inequalities and the Exponential Function

The Mathematical Gazette, 1907
Theorem. If a he any positive quantity not equal to 1, and x, y, z be any three rational quantities in descending order of magnitude ...
openaire   +2 more sources

ESTIMATING EXPONENTIAL UTILITY FUNCTIONS

Agricultural Economics Research, 1978
The exponential utility function for money has long attracted attention from theorists because it exhibits nonincreasing absolute risk aversion. Also, under certain conditions, it generates an expected utility function that is maximizable in a quadratic program. However, this functional form presents estimation problems.
Buccola, Steven T., French, Ben C., Buccola, Steven T., French, Ben C.   +3 more
openaire   +4 more sources

On the Exponential Function

The American Mathematical Monthly, 1975
(1975). On the Exponential Function. The American Mathematical Monthly: Vol. 82, No. 8, pp. 842-844.
openaire   +2 more sources