The Size-Dependence of Electrochemical Thermodynamics of Metal Nanoparticles Electrodes in Theory and Experiment

Simple theoretical method is developed to study the size dependence of equation of state of nanomaterials. The isothermal compression of Ni and ε- Fe has been computed for different particle sizes. A shift in compression curve is obtained by increasing the particle size. This demonstrates the softening of the material by increasing the particle size. For larger particle size (~100 nm) the compression curve resembles with that of the bulk. This demonstrates that the nanomaterial becomes bulk for larger particle size. The results have been compared with the available experimental data. A good agreement between theory and experiment demonstrates the validity of the method proposed in the present paper.

Download Full-text

SIZE DEPENDENCE OF THERMOELASTIC PROPERTIES OF NANOMATERIALS

International Journal of Nanoscience ◽

10.1142/s0219581x10007113 ◽

2010 ◽

Vol 09 (05) ◽

pp. 537-542 ◽

Cited By ~ 10

Author(s):

R. KUMAR ◽

MUNISH KUMAR

Keyword(s):

Experimental Data ◽

Thermal Expansion ◽

Bulk Modulus ◽

Size Dependence ◽

Young Modulus ◽

Theoretical Method ◽

Thermoelastic Properties ◽

Theory And Experiment ◽

Good Agreement

A simple theoretical method is developed to study the size dependence of bulk modulus, Young modulus, and coefficient of volume thermal expansion of nanomaterials. We have considered different nanomaterials, viz., Ni (spherical, nanofilm), α-Fe (spherical), and Cu (nanowire). The results obtained are compared with the available experimental data. A good agreement between theory and experiment supports the validity of the model developed in the present work.

Download Full-text

Size dependence of spherical metal nanoparticles on absorption enhancements of plasmonic organic solar cells

Synthetic Metals ◽

10.1016/j.synthmet.2014.11.010 ◽

2015 ◽

Vol 199 ◽

pp. 174-178 ◽

Cited By ~ 7

Author(s):

Inho Kim ◽

Kyu-Sung Lee ◽

Taek-Sung Lee ◽

Doo Seok Jung ◽

Wook-Seong Lee ◽

...

Keyword(s):

Solar Cells ◽

Metal Nanoparticles ◽

Organic Solar Cells ◽

Size Dependence ◽

Spherical Metal Nanoparticles

Download Full-text

Direct Visible Photoexcitation on Palladium Nanocatalyst by Chemisorption with Distinct Size Dependence

Catalysis Science & Technology ◽

10.1039/d0cy02311f ◽

2021 ◽

Author(s):

Qi Xiao ◽

Sarina Sarina ◽

Eric Waclawik ◽

Huaiyong Zhu

Keyword(s):

Visible Light ◽

Metal Nanoparticles ◽

Chemical Reactions ◽

Thermal Energy ◽

Size Dependence ◽

Selective Chemical

Direct photoexcitation of metal nanoparticles (NPs) can induce selective chemical reactions that are difficult to achieve with thermal energy. Here we report that visible-light photoexcitation on palladium (Pd) NPs shows...

Download Full-text

Enumerating Active Sites on Metal Nanoparticles: Understanding the Size Dependence of Cobalt Particles for CO Dissociation

ACS Catalysis ◽

10.1021/acscatal.1c00651 ◽

2021 ◽

pp. 8484-8492

Author(s):

Michel P. C. van Etten ◽

Bart Zijlstra ◽

Emiel J. M. Hensen ◽

Ivo A. W. Filot

Keyword(s):

Metal Nanoparticles ◽

Active Sites ◽

Size Dependence ◽

Co Dissociation

Download Full-text