立方体纳米Cu<sub>2</sub>O表面热力学函数的粒度及温度效应

立方体纳米Cu₂O表面热力学函数的粒度及温度效应

汤焕丰,黄在银,肖明

Effects of Particle Size and Temperature on Surface Thermodynamic Functions of Cubic Nano-Cu₂O

Huan-Feng TANG,Zai-Yin HUANG,Ming XIAO

表2 不同粒度和温度下立方体纳米Cu₂O的表面热力学函数

Table 2 Surface thermodynamical functions of cubic nano-Cu₂O(s) at different particle sizes and temperatures

Surface thermodynamic function	T/K	l/nm
Surface thermodynamic function	T/K	42	55	67	116
G_m^s/(kJ?mol^－1)	298.15	1.806	1.515	1.161	0.811
	308.15	1.600	1.483	1.032	0.773
	318.15	1.542	1.275	0.964	0.729
H_m^s/(kJ?mol^－1)	298.15	55.95	41.78	28.68	15.59
	308.15	60.84	43.22	34.36	20.67
	318.15	66.41	47.92	38.30	23.47
S^sm/(J?mol^－1?K^－1)	298.15	181.60	135.05	92.30	49.57
	308.15	192.24	135.45	108.15	64.57
	318.15	203.89	146.61	117.35	71.48