Tablas periódicas:
Tabla Periódica de los elementos (NIST)
Tabla Periódica ABC (René Vernon)
Tabla Periódica para colorear (Colouring book).
Termodinámica y Propiedades:
Curso de Termodinámica del Equilibrio Químico (de Stephen Lower)
Cristalografía y difractometría de rayos-X:
1) Software:
Vesta (Visualization for Electronic and Structural Analysis)
GNUPlot (graficador, trazador gratuito)
X-ray interactions with matter
Advanced Certificate in Powder Diffraction on the Web
(School of Crystallography, Birkbeck College, University of London)
2) Bases de datos:
American Mineralogist Crystal Structure Database
A Hypertext Book of Crystallographic Space Group- Diagrams and Tabes-
Bilbao Crystallographic Server
Química:
Physical Chemistry (Colby College)
Calculadora de Masas Molares (TEXAS A&M University)
Molarity Calculator (Sigma Aldrich)
Dilution Calculator (Sigma Aldrich)
Semiconductores:
PV Education (C.B.Honsberg and S.G.Bowden)
Introduction to semiconductors (University of Cambridge, DoITPoMS)
Champion Photovoltaic Module Efficiency Chart (The National Renewable Energy Laboratory, NREL)