Direct detection of electron–hole pairs generated by chemical reactions on metal surfaces

H Nienhaus, HS Bergh, B Gergen, A Majumdar… - Surface science, 2000 - Elsevier
Non-adiabatic energy dissipation during exothermic chemical reactions on metal surfaces
occurs by creation of electron–hole pairs in the metal. The excited charge carriers have …

Detection of chemically induced hot charge carriers with ultrathin metal film Schottky contacts

H Nienhaus, B Gergen, WH Weinberg, EW McFarland - Surface science, 2002 - Elsevier
Energy dissipation during chemical reactions at metal surfaces may excite electron–hole
pairs in the metal. Direct detection of such reaction-induced hot electrons and holes is …

Electronic excitations by chemical reactions on metal surfaces

H Nienhaus - Surface Science Reports, 2002 - Elsevier
Dissipation of chemical energy released in exothermic reactions at metal surfaces may
happen adiabatically by creation of phonons or non-adiabatically by excitation of the …

Electron-hole pair creation at Ag and Cu surfaces by adsorption of atomic hydrogen and deuterium

H Nienhaus, HS Bergh, B Gergen, A Majumdar… - Physical review …, 1999 - APS
Hot electrons and holes created at Ag and Cu surfaces by adsorption of thermal hydrogen
and deuterium atoms have been measured directly with ultrathin metal film Schottky diode …

Thin Au/Ge Schottky diodes for detection of chemical reaction induced electron excitation

H Nienhaus, SJ Weyers, B Gergen… - Sensors and Actuators B …, 2002 - Elsevier
Ultra-thin film Au/n-Ge Schottky diodes were used to detect electrons excited by
chemisorption of atomic oxygen and atomic hydrogen. The absorption generated a …

Non-adiabaticity in surface chemical reactions

E Hasselbrink - Surface science, 2009 - Elsevier
Chemical reactions at surface may dissipate energy exciting electron-hole pairs in the metal
substrate. Direct detection of the chemically induced hot charge carriers may be achieved by …

Electronic excitations induced by surface reactions of H and D on gold

B Mildner, E Hasselbrink, D Diesing - Chemical physics letters, 2006 - Elsevier
Chemically induced hot carriers are detected with a time resolution of 0.1 s by measuring
currents in Ta/TaOx/Au tunnel junctions while the Au top electrode is exposed to atomic …

Surface reactions with hot electrons and hot holes in metals

D Diesing, H Janssen, A Otto - Surface science, 1995 - Elsevier
Electrochemical reactions (oxidation or reduction) start when the electronic levels of the
redoxsystem within the electrolyte cross the Fermi level EF of the electrode-from below to …

Observation of excited electrons from nonadiabatic molecular reactions of NO and O2 on polycrystalline Ag

B Gergen, SJ Weyers, H Nienhaus, WH Weinberg… - Surface science, 2001 - Elsevier
Adsorption of ground state nitric oxide and molecular oxygen on Ag at 130 K were observed
to produce excited electrons which were detectable as a “chemicurrent” in a large area …

Generation of hot charge carriers by adsorption of hydrogen and deuterium atoms on a silver surface

D Krix, R Nünthel, H Nienhaus - Physical Review B—Condensed Matter and …, 2007 - APS
The generation of hot charge carriers during adsorption of atomic hydrogen and atomic
deuterium on Ag has been investigated by chemicurrent measurements using thin-metal film …