Nature CommunicationsHydrated ionic polymer for thermochromic smart windows in buildingsHuaiyuan WangYuanwei LuJie WangTao QiXuefeng TianChaowei YangYuming HuangMeiqi WangBaiqi ZhangZhibin QuWei ZhouFei SunJihui GaoGuangbo Zhao2025-07-15Full textDOI https://doi.org/10.1038/s41467-025-61776-0