论文信息 - Enhanced thermoelectric performance by lone-pair electrons and bond anharmonicity in the two-dimensional <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi mathvariant="normal">Ge</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>Y</mml:mi><mml:mn>2</mml:mn></